Conference presentations

This is as close as possible a list of presentations at conferences. The list excludes invited talks which are shown on the About page.

  1. Magor, T., Coote, L. & Hess, S. (2024), New Perspectives on Behavioural Decision Theory: A Choice Modelling, Foundations of Utility and Risk, Brisbane
  2. Amaris, G., Hess, S. & Vesely, S. (2024), Data and modelling considerations for studying preference spillover: applications to travel behaviour, Foundations of Utility and Risk, Brisbane
  3. Hess, S., Hancock, T., Choudhury, C., Mushtaq, F., Mon-Williams, M., Bliemer, M., Beck, M., Fayyaz, M., Amani Rad, J. & Markkula, G. (2024), Paving the way for using neuroscience models in behavioural modelling: application of the active inference/free energy paradigm on immersive data, Foundations of Utility and Risk, Brisbane
  4. Magor, T., Coote, L. & Hess, S. (2024), Combining Sources of Preference Data: A Latent Variable Formulation Using the Factor-Analytic Form of Mixed Logit, 8th International Choice modelling conference, Puerto Varas, Chile.
  5. Ali, A., Flaata, E.H,, Tørset, T., Hess, S. & Choudhury, C.F. (2024), Investigating the effect of imputing trip purposes in a trip generation model, 8th International Choice modelling conference, Puerto Varas, Chile.
  6. von Butler, L. White, B. & Hess, S. (2024), Avoiding fake news: building a toolkit to identify bots and coached respondents in stated preference surveys, 8th International Choice modelling conference, Puerto Varas, Chile.
  7. Tsoleridis, P., Choudhury, C.F. & Hess, S. (2024), Causal determinants of car ownership decisions, 8th International Choice modelling conference, Puerto Varas, Chile.
  8. Hancock, T., Song, F., Choudhury, C.F. & Hess, S. (2024), An integrated choice and latent variable decision field theory model linking preferential choice responses and thinking patterns, 8th International Choice modelling conference, Puerto Varas, Chile.
  9. Bunch, D., Hess, S. & Palma, D. (2024), BGW: A (Apollo-compatible) numerically efficient (aka “fast”) and reliable maximum likelihood estimation package for choice models, with well- characterized stopping diagnostics, 8th International Choice modelling conference, Puerto Varas, Chile.
  10. Amaris, G., Hess, S. & Vesely, S. (2024), Detecting preference spillovers: application of choice models to the analysis of CO2 reducing behaviour and environmental donations, 8th International Choice modelling conference, Puerto Varas, Chile.
  11. Hess, S., Bunch, D. & Daly, A. (2024), Get me out of this hole: a profile likelihood approach to avoiding poor local optima, 8th International Choice modelling conference, Puerto Varas, Chile.
  12. Deckman, T. & Hess, S. (2024), A Novel Approach for Optimizing Healthcare Message Effectiveness, 8th International Choice modelling conference, Puerto Varas, Chile.
  13. Nova, G., van Cranenburgh, S. & Hess, S. (2024), Understanding the decision-making process of discrete choice modellers: one database but many workflows, 8th International Choice modelling conference, Puerto Varas, Chile.
  14. Beck, M.J., Bliemer, M.C.J. & Hess, S. (2024), That Seems Relatively Important! The not so simple question of what maters most to respondents when making a choice, 8th International Choice modelling conference, Puerto Varas, Chile.
  15. Ali, A., Dekker, T., Hess, S. & Choudhury, C. (2024), Using posterior analysis to predict missing information in passively collected data, hEART 2024 – 12th Symposium of the European Association for Research in Transportation, Aalto
  16. Hancock, T. O., Song, F., Choudhury, C. F., Hess, S., & Mushtaq, F. (2023, July). An integrated choice and latent variable decision field theory model linking preferential choice responses and thinking patterns. Abstract published at MathPsych, Amsterdam.
  17. Hancock, T. O., Hess, S., Choudhury, C. F., & Marley, A. (2023). An integrated choice and response time decision field theory model: new insights on choice response times in multi-attribute, multi-alternative choice, MathPsych, Amsterdam.
  18. Tsoleridis, P., Hess, S. & Choudhury, C.F. (2023), Accounting for Distance-Based Correlations Among Alternatives in the Context of Spatial Choice Modelling Using High-Resolution Mobility Data, 102nd Annual Meeting of the Transportation Research Board, Washington, D.C.
  19. Tsoleridis, P., Choudhury, C.F. & Hess, S. (2023), Augmenting Choice Models with Machine Learning Techniques to Capture the Heterogeneity in Travel Behaviour, 102nd Annual Meeting of the Transportation Research Board, Washington, D.C.
  20. Nova, G., Guevara, C.A., Hess, S. & Hancock, T.O. (2023), Random Utility Maximization-Decision Field Theory: Random Utility Maximization Model Considering the Information Search Process, 102nd Annual Meeting of the Transportation Research Board, Washington, D.C.
  21. Hess, S., Hancock, T., Choudhury, C., Mushtaq, F., Mon-Williams, M., Bliemer, M., Beck, M. & Fayyaz, M. (2022), Using a mathematical representation of brain processes to explain decision making: Adapting the free energy/active inference principle for travel behaviour modelling, 16th International Conference on Travel Behaviour Research, Santiago de Chile
  22. Hancock, T., Choudhury, C.F., Hess, S. & Tsoleridis, P. (2022), Implementing psychological choice models on real-world data: Theoretical extensions for Decision Field Theory, 16th International Conference on Travel Behaviour Research, Santiago de Chile
  23. Bliemer, M., Beck, M., Fayyaz, F. & Hess, S. (2022), Route choice decisions under travel time uncertainty with experiential learning in a simulated environment, 16th International Conference on Travel Behaviour Research, Santiago de Chile
  24. Palma, D. & Hess, S. (2022), Extending Multiple Discrete Continuous (MDC) modelling to consider complementarity, substitution, and unobserved budgets, 16th International Conference on Travel Behaviour Research, Santiago de Chile
  25. Hess, S. & van Cranenburgh, S. (2022), Wisdom of the crowd: compare and combine models for out-of-distribution forecasting, 16th International Conference on Travel Behaviour Research, Santiago de Chile
  26. Nova, G., Guevara, C.A. Hess, S. & Hancock, T.O. (2023), Random Utility Maximization model considering the information search process, hEART 2023 – 11th Symposium of the European Association for Research in Transportation, Zurich
  27. Hancock, T., Choudhury, C., Walker, J. & Hess, S. (2023), Quantum choice models leap out of the laboratory: capturing real-world behavioural change, hEART 2023 – 11th Symposium of the European Association for Research in Transportation, Zurich
  28. Hess, S. & van Cranenburgh, S. (2023), Combine and conquer: model averaging for out-of-distribution forecasting, hEART 2023 – 11th Symposium of the European Association for Research in Transportation, Zurich
  29. Hess, S. (2022), Understanding preferences for COVID-19 vaccination: results from a unique longitudinal stated choice study covering 18 countries across 6 continents, 7th International Choice modelling conference, Reykjavik
  30. Sandorf, E.,D., Börger, T., Campbell, D., Crastes Dit Sourd, R., Czajkowski, M., Hess, S., Jacobsen, J.B., Olsen, S.B., Lindhjem, H., Mariel, M. & Meyerhoff, J. (2022), Exploring status quo effects in stated preference experiments: A meta style analysis, 7th International Choice modelling conference, Reykjavik
  31. Calastri, C., Hess, S., Popli, G. & Roberts, J. (2022), Women’s labour market participation and its link with attitudes towards gender roles in the family, 7th International Choice modelling conference, Reykjavik
  32. Amaris, G., Vesely, S. & Hess, S. (2022), A choice modelling analysis of pro-environmental behaviour spillover, 7th International Choice modelling conference, Reykjavik
  33. Hancock, T.O., Choudhury, C.F., Walker, W. & Hess, S. (2022), Quantum choice models leap out of the laboratory: capturing real-world behavioural change, 7th International Choice modelling conference, Reykjavik
  34. van Den Broek-Altenburg, E., Benson, J., Atherly, A. & Hess, S. (2022), Drivers of Health Disparities and Consequences for COVID-19 Vaccine Choices: Modelling Health Preference Heterogeneity among Underserved Populations, 7th International Choice modelling conference, Reykjavik
  35. Palma, D., Hess, S., Molloy, J. & Axhausen, K.W. (2022), Using the extended Multiple Discrete Continuous model to predict kilometres travelled by mode, 7th International Choice modelling conference, Reykjavik
  36. Lin, S., Calastri, C. & Hess, S. (2022), Modelling joint activity engagement: exploring the influence of the characteristics of social network members, 7th International Choice modelling conference, Reykjavik
  37. Amaris, G., Song, F., Calastri, C., Hess, S., Beck, M., Zuidgeest, M., Behrens, R., Moyo, H.T.T & Arellana, J. (2022), A multi-country panel study of behaviour, attitudes and expectations during the COVID-19 pandemic, 7th International Choice modelling conference, Reykjavik
  38. Hess, S., Hancock, T.O., Choudhury, C., Mushtaq, F. & Mon-Williams, M. (2022), Using a mathematical representation of brain processes to explain choices: introducing the free energy principle to mainstream choice modelling, 7th International Choice modelling conference, Reykjavik
  39. Zannat, K., Choudhury, C.F., Hess, S. & Carrasco, J.-A. (2022), Heterogeneity in activity participation: A comparative analysis of Multinomial logit model (MNL) and multiple discrete-continuous choice model (MDCEV), 7th International Choice modelling conference, Reykjavik
  40. Nova, G., Guevara, C.A. & Hess, S. (2022), In-depth, Breadth-first or Both? Toward the Development of a RUM-DFT Discrete Choice Model, 7th International Choice modelling conference, Reykjavik
  41. Tsoleridis, P., Hess, S. & Choudhury, C. (2022), Accounting for distance-based correlations among alternatives in the context of spatial choice modelling using high resolution mobility data, 7th International Choice modelling conference, Reykjavik
  42. Ryseck, B., Zuidgeest, M., Behrens, R., & Hess, S. (2022), Investigating Passenger Information Needs for Hybrid Public Transport Network Journey Planning, 7th International Choice modelling conference, Reykjavik
  43. Hancock, T.O., Hess, S. & Choudhury, C.F. (2022), Is your model the best? Mitigating risk through averaging across different analysts’ competing models, 7th International Choice modelling conference, Reykjavik
  44. Tsoleridis, P., Choudhury, C.F. & Hess, S. (2022), Deriving Transport Appraisal Values from Emerging Data Sources, 101th Annual Meeting of the Transportation Research Board, Washington, D.C.
  45. Zannat, K.E., Choudhury, C.F. & Hess, S. (2021), Modelling departure time choice of car commuters in Dhaka, Bangladesh, 100th Annual Meeting of the Transportation Research Board, Washington, D.C.
  46. Crastes Dit Sourd, R., Hess, S., Borejesson, M. & Hensher, D. (2020), Preference instability in stated choice surveys: more evidence, hEART 2020: 9th Symposium of the European Association for Research in Transportation, Lyon
  47. Palma, D. & Hess, S. (2020), Apollo: a flexible and powerful free open source R package for choice modelling, 99th Annual Meeting of the Transportation Research Board, Washington, D.C.
  48. Bogacz, M., Calastri, C., Choudhury, C., Hess, S., Erath, A., van Eggermond, M. & Mushtaq, F. (2020), Cycling Behavior in Virtual Reality: A Comparison Between Keyboard Controlled and Instrumented Bicycle Experiments, 99th Annual Meeting of the Transportation Research Board, Washington, D.C.
  49. Hancock, T., Hess, S. & Choudhury, C. (2020), Quantum rotation: a new method for capturing a change of perspective, 99th Annual Meeting of the Transportation Research Board, Washington, D.C.
  50. Hancock, T., Hess, S. & Choudhury, C. (2020), A Decision Field Theory Model for Dynamic Choice Contexts: Further Steps Towards Bridging Choice Modelling with Mathematical Psychology, 99th Annual Meeting of the Transportation Research Board, Washington, D.C.
  51. Dastjerdi, A.M., Hess, S. & Pereira, F.C. (2019), Discovering Causal Structure from Attitudinal Data: What Motives People to Use Mobility-Management Travel Apps, hEART 2019 – 8th Symposium of the European Association for Research in Transportation, Budapest
  52. Pereira, F., Dastjerdi, A. and Hess, S. (2019), Discovering causal structure from observations: experiments with causal discovery on attitudinal data, 6th International Choice Modelling Conference, Kobe
  53. Crastes dit Sourd, R., Calastri, C., Hess, S., Choudhury, C.F. and Palma, D. (2019), The path of life: modelling life course events using route choice model techniques, 6th International Choice Modelling Conference, Kobe
  54. Hancock, T.O., Hess, S., Choudhury, C.F. and Bogacz, M. (2019), Theoretical considerations for a dynamic model for dynamic data: bridging choice modelling with mathematical psychology, 6th International Choice Modelling Conference, Kobe
  55. Bwambale, A., Choudhury, C.F., Hess, S. and Iqbal, S. (2019), Getting the best of both worlds - a framework for combining disaggregate travel survey data and aggregate mobile phone data for trip generation modelling, 6th International Choice Modelling Conference, Kobe
  56. Calastri C., Hess, S. and Newing, A. (2019), A study of parenting choices: exploring the influence of geospatial opportunities, 6th International Choice Modelling Conference, Kobe
  57. Tsoleridis, P., Choudhury, C.F. and Hess, S. (2019), Comparison of machine learning clustering algorithms and latent classes for capturing heterogeneity in choice models, 6th International Choice Modelling Conference, Kobe
  58. Tjiong, J., Dekker, T., Hess, S., Giergiczny, M. and Ojeda-Cabral, M. (2019), Capturing zero-price effects in stated choice surveys and implications for willingness-topay computation, 6th International Choice Modelling Conference, Kobe
  59. Webb, E. and Hess, S. (2019), Joint modelling of choice and rating data: theory and examples, 6th International Choice Modelling Conference, Kobe
  60. Palma D. and Hess, S. (2019), An MDCEV model with unknown budget, 6th International Choice Modelling Conference, Kobe
  61. Hess, S. and Hancock, T.O. (2019), Identification and interpretation of process parameters in mathematical psychology models, 6th International Choice Modelling Conference, Kobe
  62. Konstantinus, A., Zuidgeest, M., Hess, S. and de Jong, G. (2019), Opportunities for short sea shipping in the southern African development community: evidence based on discrete choice modelling, 6th International Choice Modelling Conference, Kobe
  63. Tamuka Moyo, H., Calastri, C., Zuidgeest, M. and Hess, S. (2019), The use of contraception among young South Africans: a longitudinal choice model, 6th International Choice Modelling Conference, Kobe
  64. Lu, H., Patruni, B., Rohr, C., Hess, S., Daly, A., Vuk, G. and Paag, H. (2019), Using state-of-the-art models in applied work: travellers willingness to pay for a toll tunnel in Copenhagen, 6th International Choice Modelling Conference, Kobe
  65. Spitz, G. and Hess, S. (2019), The ability to and need for estimating models with a high number of alternatives aka: enumerative models, 6th International Choice Modelling Conference, Kobe
  66. Tsoleridis, P., Choudhury, C.F. and Hess, S. (2019), Investigation of factors influencing individual exploration patterns, 6th International Choice Modelling Conference, Kobe
  67. Song, F., Hess, S. and Dekker, T. (2019), Fancy sharing an air taxi? Uncovering the impact of variety seeking on the demand for new shared mobility services, 6th International Choice Modelling Conference, Kobe
  68. Hancock, T.O., Hess, S. and Choudhury, C.F. (2019), Quantum rotation: a new method for capturing a change of perspective, 6th International Choice Modelling Conference, Kobe
  69. Fayyaz, M., Bliemer, M., Beck, M., Rutström, E., Hess, S. and van Lint, J.W.C. (2019), Route choice behaviour under travel time uncertainty accounting for learning via description and experience-based feedback, 6th International Choice Modelling Conference, Kobe
  70. Bogacz, M., Hess, S., Choudhury, C.F., Calastri, C., Erath, A., Van Eggermond, M., Mushtaq, F. and Awais, M. (2019), Modelling risk perception using a dynamic hybrid choice model and brain-imaging data: application to virtual reality cycling, 6th International Choice Modelling Conference, Kobe
  71. Enam, A., Palma, D., Hess, S., Calastri, C. and Crastes dit Sourd, R. (2019), Episode-based approach to multiple discrete continuous (MDC) models: a novel framework for time use analysis, 6th International Choice Modelling Conference, Kobe
  72. Bogacz, M., Calastri, C., Choudhury, C., Hess, S., Erath, A., van Eggermond, M. & Mushtaq, F. (2019), Processing Cycling Risk Under Different Elicitation Methods: Comparing 2D and 3D in Virtual Reality Choice Environments, 98th Annual Meeting of the Transportation Research Board, Washington, D.C.
  73. Bergantino, A.S., Capurso, M., Dekker, D. & Hess, S. (2019), Allowing for Heterogeneity in the Consideration of Airport Access Modes: The Case of Bari Airport , 98th Annual Meeting of the Transportation Research Board, Washington, D.C.
  74. Paschalidis, E., Choudhury, C. & Hess, S. (2019), Modeling the Effects of Stress in the Car-Following Model Using Driving Simulator and Physiological Sensor Data , 98th Annual Meeting of the Transportation Research Board, Washington, D.C.
  75. Song, F., Dekker, T. & Hess, S. (2019), Combining Stated Choice Data and Best-Worst Scaling (Case 1 and Case 2) Data to Understand Attribute Importance in Mode Choice Behavior , 98th Annual Meeting of the Transportation Research Board, Washington, D.C.
  76. Fayyaz, M., Bliemer, M., Beck, M. & Hess, S., (2019), Route Choice Behavior in Stated Choice Experiments: With and Without Consequences , 98th Annual Meeting of the Transportation Research Board, Washington, D.C.
  77. Bwambale, A., Choudhury, C. & Hess, S. (2019), Modeling Departure Time Choices Using Mobile Phone Data , 98th Annual Meeting of the Transportation Research Board, Washington, D.C.
  78. Hancock, T., Hess, S., Daly, A., Fox, J. (2019), Model Averaging: Revisiting Our Approach to Decision Rule Heterogeneity and Improving Our Travel Behavior Models , 98th Annual Meeting of the Transportation Research Board, Washington, D.C.
  79. Hancock, T., Hess, S., Choudhury, C. (2019), Quantum Probability: A New Method for Modeling Travel Choices, 98th Annual Meeting of the Transportation Research Board, Washington, D.C.
  80. Crastes dit Sourd, R., Palma, D., Hess, S., Daly, A.J., Holz-Rau, C. & Scheiner, J. (2019), On Model Composition and Selection in Composite Marginal Likelihood Estimation , 98th Annual Meeting of the Transportation Research Board, Washington, D.C.
  81. Palma, D., Hess, S., Calastri, C. & Crastes dit Sourd, R. (2018), Modelling the effect of time on products’ attractiveness: a simplified duration analysis in MDCEV, Interdisciplinary Choice Workshop ICW18, Santiago de Chile
  82. Dada, M., Zuidgeest, M. & Hess, S. (2018), Modelling pedestrian crossing choice on Cape Town’s freeways, Interdisciplinary Choice Workshop ICW18, Santiago de Chile
  83. Palma, D., Ortúzar, J. de D., Rizzi, L.I., Hess, S. & Casaubon, G. (2018), Modelling wine choices: an integrated framework for food purchase and consumption using advance choice modelling, International Choice Workshop ICW18, Santiago de Chile
  84. Choudhury, C., Hess, S., Crastes dit Sourd, R. (2018), A Peek at the Future: Capturing Anticipation Effects in Dynamic Discrete Choice Models, 15th International Conference on Travel Behaviour Research, Santa Barbara
  85. Song, F., Hess, S., Dekker, T. (2018), Accounting for intra-respondent preference heterogeneity in repeated stated choice data: when new travel modes come into play, 15th International Conference on Travel Behaviour Research, Santa Barbara
  86. Bwambale, A., Hess, S., Choudhury, C. (2018), Analysing time-of-travel choices using mobile phone data, 15th International Conference on Travel Behaviour Research, Santa Barbara
  87. Palma, D., Hess, S., Enam, A., Calastri, C., Pinjari, A. (2018), Breakfast and lunch or brunch? Understanding and modelling the difference between one long and multiple short activities, 15th International Conference on Travel Behaviour Research, Santa Barbara
  88. Haque, M.B., Choudhury, C., Hess, S. (2018), Choice Set Generation in Residential Location Choice Models, 15th International Conference on Travel Behaviour Research, Santa Barbara
  89. Song, F., Hess, S., Dekker, T. (2018), Comparing and combining best-worst scaling and stated choice data to understand attribute importance in mode choice behaviour, 15th International Conference on Travel Behaviour Research, Santa Barbara
  90. Palma, D., Hess, S., Crastes dit Sourd, R., Calastri, C. (2018), From Monday to Friday: Modelling commuting mode choice for a whole week, 15th International Conference on Travel Behaviour Research, Santa Barbara
  91. Paschalidis, E., Choudhury, C., Hess, S. (2018), Incorporating the effects of stress in a traditional car-following model framework using driving simulator data and physiological sensors, 15th International Conference on Travel Behaviour Research, Santa Barbara
  92. Hancock, T.O., Hess, S., Daly, A., Fox, J. (2018), Model averaging: revisiting our approach to decision rule heterogeneity in travel behaviour models and reinterpreting the results of latent class models, 15th International Conference on Travel Behaviour Research, Santa Barbara
  93. Bergantino, A.S., Capurso, M., Dekker, T., Hess, S. (2018), Modelling consideration of alternatives as a function of individuals’ attitudes and perceptions: an application to airport access mode choice, 15th International Conference on Travel Behaviour Research, Santa Barbara
  94. Calastri, C., Crastes dit Sourd, R., Hess, S. (2018), Moving towards a deeper understanding of joint travel and activity participation by combining data from name generators and time use diaries, 15th International Conference on Travel Behaviour Research, Santa Barbara
  95. Calastri, C., Hess, S., Pinjari, A., Daly, A., Palma, D. (2018), Multi-day time use applications of the MDCEV model: behavioural phenomena, implementation issues and practical solutions, 15th International Conference on Travel Behaviour Research, Santa Barbara
  96. Bogacz, M., Calastri, C., Choudhury, C., Hess, S., Erath, A., Van Eggermond, M., Mushtaq, F. (2018), Neural processing of risk under different elicitation methods: implications for travel behaviour research, 15th International Conference on Travel Behaviour Research, Santa Barbara
  97. Hancock, T.O., Hess, S., Choudhury, C. (2018), Quantum probability: a new method for considering travel choice, 15th International Conference on Travel Behaviour Research, Santa Barbara
  98. Tjiong, J., Dekker, T., Hess, S., Cabral, M.O. (2018), Revisiting the cross-sectional income elasticity of the VTT: gross, disposable and equivalised disposable income, 15th International Conference on Travel Behaviour Research, Santa Barbara
  99. Capurso, M., Dekker, T., Hess, S. (2018), Stated consideration and attribute thresholds in mode choice models: a hierarchical ICLV approach, 15th International Conference on Travel Behaviour Research, Santa Barbara
  100. Crastes dit Sourd, R., Calastri, C., Hess, S., Choudhury, C., Palma, D. (2018), The path of life: exploring alternative frameworks for modelling long-term mobility choices, 15th International Conference on Travel Behaviour Research, Santa Barbara
  101. Bwambale, A., Choudhury, C.F. and Hess, S., (2018), Modeling Long-Distance Route Choice Using Mobile Phone Call Detail Record Data: A Case Study of Senegal. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  102. Calastri, C., Crastes dit Sourd, R. and Hess, S., (2018), We Want It All: Experiences from a Survey Seeking to Capture Social Network Structures, Lifetime Events, and Short-Term Travel and Activity Planning. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  103. Calastri, C., Hess, S., Daly, A., Carrasco, J. and Choudhury, C.F., (2018), Modeling the Loss and Retention of Contacts in Social Networks: The Role of Tie Strength and Dyad-Level Heterogeneity. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  104. Calastri, C., Hess, S., Pinjari, A. and Daly, A., (2018), Accommodating Correlation Across Days in Multiple Discrete-Continuous Models for Activity Scheduling: Estimation and Forecasting Considerations. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  105. Choudhury, C.F., Hess, S. and Oakil, A.T., (2018), A Peek at the Future: Capturing Anticipation Effects in Discrete Choice Models. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  106. Guevara, C.A. and Hess, S., (2018), A Control-Function Approach to Correct for Endogeneity in Discrete Choice Models Estimated on SP-OFF-RP Data. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  107. Hancock, T.O., Hess, S. and Choudhury, C.F., (2018), A Comparison of the Suitability of Accumulation Models in Travel Behavior Modeling. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  108. Hancock, T.O., Hess, S. and Choudhury, C.F., (2018), Incorporating Response Time in a Decision Field Theory Model. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  109. Haque, M.B., Choudhury, C.F. and Hess, S., (2018), Investigating the Temporal Dynamics of Long-Term and Medium-Term Residential Location Choices: A Case Study of London. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  110. Hess, S., Choudhury, C.F., Bliemer, M. and Hibberd, D., (2018), Modeling Lane-Changing Behavior in Approaches to Roadworks: Contrasting and Combining Driving Simulator Data with Stated Choice Data. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  111. Palma, D., Crastes dit Sourd, R., Calastri, C., Hess, S. and O’Neill, V., (2018), Providing Personalized Feedback to Investigate the Role of Social Influence on Travel Behavior. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  112. Paschalidis, E., Choudhury, C.F. and Hess, S., (2018), Improving the Transferability of Car-Following Models Between Driving Simulator and Field Traffic. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  113. Paschalidis, E., Choudhury, C.F. and Hess, S., (2018), Modeling the Effects of Stress on Gap-Acceptance Decisions in a Driving Simulator Experiment Using Physiological Sensors. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  114. Song, F., Hess, S. and Dekker, T., (2018), Accounting for the Impact of Latent Variety-Seeking Tendencies Theory and Application to HSR–Air Intermodality in China. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  115. Song, F., Hess, S. and Dekker, T., (2018), Comparing and Combining Best–Worst Scaling and Stated Choice Data to Understand Attribute Importance in Mode-Choice Behavior. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  116. Tjiong, J., Hess, S. and Dekker, T., (2018), Impact of Travel Time Constraints on Taste Heterogeneity and Nonlinearity in Simple Time–Cost Trade-Offs. The Transportation Research Board (TRB) 97th Annual Meeting, Washington, D.C.
  117. Palma, D., Crastes dit Sourd, R., Calastri, C., Hess, S., Beck, M. and O’Neill, V. (2017), Providing personalised feedback to investigate the role of social influence on travel behaviour, hEART 2017 – 6th Symposium of the European Association for Research in Transportation, Tel Aviv
  118. Song, F., Hess, S., Dekker, T. (2017), Modelling mode choice behaviour in the context of air-­HSR intermodality in China, ATRS conference, Antwerp.
  119. Hancock, T.O., Hess, S. and Choudhury, C.F. (2017), Improving decision field theory for consumer choice modelling applications, paper presented at MathPsych, Warwick.
  120. Dada, M., Zuidgeest, M. & Hess, S. (2017), Modelling pedestrian crossing choice behaviour on Cape Town freeways: caught between a stone rock and a hard place?, 5th International Choice Modelling Conference, Cape Town.
  121. Smith, B., Olaru, D., Hess, S., Beck, M. & Choudhury, C. (2017), Dwelling and Residential Location Choice Models on Complete Market Data, 5th International Choice Modelling Conference, Cape Town.
  122. Hess, S. & Train, K.E. (2017), Correlation and scale in mixed logit models, 5th International Choice Modelling Conference, Cape Town.
  123. Palma,. D, Ortuzar, J.d.D, Rizzi, L.I. & Hess, S. (2017), An incentive-compatible experiment to model wine preferences considering extrinsic and intrinsic attributes, 5th International Choice Modelling Conference, Cape Town.
  124. Capurso, M., Hess, S. & Dekker, T. (2017), Modelling awareness and consideration in mode choice: an application on the Rome-Milan corridor, 5th International Choice Modelling Conference, Cape Town.
  125. Bwambale, A., Choudhury, C., Hess, S. (2017), Modelling route choice using mobile phone data: a case study of Senegal, 5th International Choice Modelling Conference, Cape Town.
  126. Tjiong, J., Giergiczny, M., Czajkowski, M. & Hess, S. (2017), Disentangling status quo bias and zero-price effect for more robust estimation of welfare changes, 5th International Choice Modelling Conference, Cape Town.
  127. Guevara, C.A. & Hess, S. (2017), Using Revealed-Preferences Sampled Choice-sets in Stated-Preference Surveys, 5th International Choice Modelling Conference, Cape Town.
  128. Song, F., Hess, S. & Dekker, T. (2017), Modelling the role and impact of variety-seeking on mode choice behaviour in the context of air-HSR intermodality, 5th International Choice Modelling Conference, Cape Town.
  129. Giergiczny, M. & Hess, S. (2017), Using advanced choice models to study animal behavior, 5th International Choice Modelling Conference, Cape Town.
  130. Haque, M., Choudhury, C. & Hess, S. (2017), Reference-dependent choice set formation for modelling of long-term and medium-term residential location choices, 5th International Choice Modelling Conference, Cape Town.
  131. Choudhury, C. & Hess, S. (2017), A Peek at the Future: Capturing the Anticipation Effects in Dynamic Discrete Choice Models, 5th International Choice Modelling Conference, Cape Town.
  132. Dekker, T., Calastri, C., Daly, A.J. & Hess, S. (2017), Revisiting the MDCEV utility function: origins, weak complementarity, minimum consumption and efficient welfare measurement, 5th International Choice Modelling Conference, Cape Town.
  133. Calastri, C., Hess, S. Carrasco, J.A. & Choudhury, C. (2017), Maintaining social contacts over time: the role of life-course events, personality traits and tie strength, 5th International Choice Modelling Conference, Cape Town.
  134. Crastes dit Sourd, R., Beck, M., Choudhury, C., Dekker, T. & Hess, S. (2017), Modelling state dependence in rare life course events: Introducing the Accumulative Hybrid Choice Skew Multivariate Probit, 5th International Choice Modelling Conference, Cape Town.
  135. Paschalidis, E., Choudhury, C. & Hess, S. (2017), Investigating the effects of stress on choices - Evidence from gap acceptance decisions of drivers in a simulator experiment, 5th International Choice Modelling Conference, Cape Town.
  136. Hancock, T., Hess, S. & Choudhury, C. (2017), Decision field theory: improvements to current methodology and contrasts with standard choice modelling techniques, 5th International Choice Modelling Conference, Cape Town.
  137. Ibraimovic, T., Hess, S., Zuidgeest, M. & Moyo, H. (2017), Ethnic segregation and residential location choice in Cape Town, 5th International Choice Modelling Conference, Cape Town.
  138. Calastri, C., Hess, S., Daly, A.J., Pinjari, A. & Carrasco, J.A. (2017), Accommodating product-specific upper limits on consumption in multiple discrete-continuous extreme value (MDCEV) models: an application to time-use data, 5th International Choice Modelling Conference, Cape Town.
  139. de Tremerie, L., Hess, S. & de Jong, G. (2017), A hybrid DCM application in freight mode choice set in the Port of Ghent (Belgium): do environmental attitudes matter? , 5th International Choice Modelling Conference, Cape Town.
  140. de Tremerie, L., de Jong, G., Hess, S. & Beck, M. (2017), Using discrete choice modelling techniques in a mixed methods methodological framework: a case study on freight shippers in Belgium, 5th International Choice Modelling Conference, Cape Town.
  141. Spitz, G. & Hess, S. (2017), East Coast Urbanites vs West Coast hippies: understanding differences in attitudes towards public transport, 5th International Choice Modelling Conference, Cape Town.
  142. Hess, S., Murphy, P., Le, H. & Leong, W. (2017), Estimation of new monetary valuations of travel time, quality of travel and safety for Singapore, 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  143. Hess, S., Beck, M. & Crastes dit Sourd, R. (2017), Can a better model specification avoid the need to move away from random utility maximisation? , 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  144. Calastri, C., Hess, S., Daly, A., Maness, M., Kowald, M. & Axhausen, K. (2017), Modelling Contact Mode and Frequency of Interactions with Social Network Members Using Multiple Discrete-Continuous Extreme Value Model, 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  145. Calastri, C., Hess, S. & Carrasco, J.A. (2017), Incorporating the Social Dimension in Choice of Activity Type and Duration: Application of Multiple Discrete-Continuous Extreme Value Model, 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  146. Calastri, C., Hess, S., Choudhury, C., Daly, A.J., & Gabrielli, L. (2017), Developing Mode Choice Models Using Semi-ubiquitous Data Sources: Case Study Using Smartphone-Based GPS Survey from Italy, 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  147. Beck, M. & Hess, S. (2017), Stability of Preferences and Attitudes: Hybrid Model of Air Travel Preferences at Two Different Points in Time, 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  148. Hancock, T., Hess, S. & Choudhury, C. (2017), Expanding Capabilities of Decision Field Theory to Complement Random Utility Models of Travel Mode Choice, 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  149. Capurso, M., Hess, S. & Dekker, T. (2017), Modeling Consideration in Mode Choice: Application on Rome-Milan Corridor, Italy, 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  150. Daly, A.J., Dekker, T. & Hess, S. (2017), Dummy coding vs effects coding for categorical variables in choice models: clarifications and extensions, 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  151. Hess, S., Börjesson, M. & Daly, A.J. (2017), Critical Appraisal of Use of Simple Time-Money Trade-Offs for Appraisal Value of Time Measures, 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  152. Crastes dit Sourd, R., Börjesson, M., Hess, S. & Hensher, D. (2017), Should Transport Analysts Worry About Incentive Compatibility? , 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  153. Bwambale, A., Choudhury, C. & Hess, S. (2017), Modelling Trip Generation Using Mobile Phone Data: A Latent Demographics Approach, 96th Annual Meeting of the Transportation Research Board, Washington, D.C.
  154. Palma, D., Hess, S., Guevara, C.A., Rizzi, L.I. & Ortuzar, J.d.D. (2017), When expensive is good: Modelling the wine repurchase decision, 13th International Conference of the Western Economic Association, Santiago de Chile
  155. Palma, D., Ortuzar, J.d.D., Rizzi, L.I. & Hess, S. (2017), Modelling wine preferences: a choice experiment combining extrinsic (pre consumption) and intrinsic (post consumption) attributes, 13th International Conference of the Western Economic Association, Santiago de Chile
  156. Capurso, M., Dekker, T. & Hess, S. (2016), Modelling awareness, consideration set and mode choice: An application to the Rome – Milan corridor, hEART 2016 – 5th Symposium of the European Association for Research in Transportation, Delft
  157. Ojeda Cabral, M., Zheng, J. & Hess, S. (2016), The role of the status quo on how people trade-off resources: an application to the time-money trade-off, hEART 2016 – 5th Symposium of the European Association for Research in Transportation, Delft
  158. Calastri, C., Hess, S., Choudhury, C., Daly, A.J. & Gabrielli , L. (2016), Estimation of value of travel time from GPS panel data with explicit choice set and consideration set generation , hEART 2016 – 5th Symposium of the European Association for Research in Transportation, Delft
  159. Crastes dit Sourd, R., Calastri, C., Hess, S., Scheiner, J. & Holz-Rau, C. (2016), Modelling anticipation and interrelations between long-term mobility decisions over the life course: a recursive multivariate probit approach, hEART 2016 – 5th Symposium of the European Association for Research in Transportation, Delft
  160. Dubernet, I., Crastes dit Sourd, R., Beck, M., Hess, S., Axhausen, K., Scheiner, J. & Holz-Rau, C. (2016), A dynamic approach to long term mobility decisions in the life course, hEART 2016 – 5th Symposium of the European Association for Research in Transportation, Delft
  161. Hancock, T., Hess, S. & Choudhury, C.F. (2016), Incorporating irrationalities in decision making into choice modelling: going beyond small changes from the tried and tested, hEART 2016 – 5th Symposium of the European Association for Research in Transportation, Delft
  162. Crastes dit Sourd, R., Zheng, J., Hess, S. & Ojeda Cabral, M. (2016), A behavioural mixing model exploring the relationship between response time and decision rules, hEART 2016 – 5th Symposium of the European Association for Research in Transportation, Delft
  163. Tjiong, J., Dekker, T., Hess, S. & Ojeda Cabral, M. (2016), Considering latent money and time budgets in choice modelling, hEART 2016 – 5th Symposium of the European Association for Research in Transportation, Delft
  164. Bwambale, A., Choudhury, C.F. & Hess, S. (2016), Prediction of latent demographic groups from mobile phone data for transport modelling, hEART 2016 – 5th Symposium of the European Association for Research in Transportation, Delft
  165. Calastri, C., Hess, S., Daly, A.J., Maness, M., Kowald, M. & Axhausen, K.W. (2016), Modelling communication mode and frequency in an egocentric social network: an application of the MDCEV model, hEART 2016 – 5th Symposium of the European Association for Research in Transportation, Delft
  166. Pashalidis, E., Choudhury, C.F. & Hess, S. (2016), Development of an integrated car-following model combining driving simulator and video trajectory data, hEART 2016 – 5th Symposium of the European Association for Research in Transportation, Delft
  167. Calastri, C., Hess, S. & Carrasco, J.A. (2016), Investigating the impact of soft factors on activities and travel: A case study from Concepcion, Chile, International Transport Economics (ITEA) Conference, Santiago de Chile
  168. Calastri, C., Hess, S., Daly, A., Choudhury, C. & Gabrielli, L. (2016), Understanding mode choice from GPS panel data with consideration of environmental factors, International Transport Economics (ITEA) Conference, Santiago de Chile
  169. Guevara, A. & Hess, S. (2016), The Impact of Presenting Endogenous Choice-sets in Stated Preference Surveys: A Proposed Correction Method, International Transport Economics (ITEA) Conference, Santiago de Chile
  170. Hess, S., Daly, A.J., Dekker, T., Ojeda-Cabral, M. & Batley, R. (2016), From survey work to appraisal values: reporting on the 2014/2015 UK value of time study, International Transport Economics (ITEA) Conference, Santiago de Chile
  171. Hess, S. & Spitz, G. (2016), How much do attitudes and values matter in mode choice?, 95th Annual Meeting of the Transportation Research Board, Washington, D.C.
  172. Hess, S. & Börjesson, M. (2016), Understanding Attitudes Toward Congestion Pricing: Latent Variable Investigation with Data from Four Cities, 95th Annual Meeting of the Transportation Research Board, Washington, D.C.
  173. Ehreke, I., Crastes dit Sourd, R., Beck, M., Hess, S., Axhausen, K.W., Holz-Rau, C., Scheiner, J. (2016), A Dynamic Approach to Long Term Mobility Decisions in the Life Course, 95th Annual Meeting of the Transportation Research Board, Washington, D.C.
  174. Hess, S., Daly, A.J., Dekker, T., Ojeda Cabral, M., Batley, R.P. (2016), Specification and Estimation of Behavioural Models for the 2015 UK Value of Time Study, 95th Annual Meeting of the Transportation Research Board, Washington, D.C.
  175. Beck, M., Ojeda Cabral, M., Ehreke, I. & Hess, S. (2016), Valuing Travel Time Savings: Case of Short-Term or Long-Term Choices?, 95th Annual Meeting of the Transportation Research Board, Washington, D.C.
  176. Hess, S., Daly, A.J., Dekker, T., Cabral, M.O. & Batley, R.P. (2015), Specification and estimation of behavioural models for the 2015 UK value of time study, hEART 2015 – 4th Symposium of the European Association for Research in Transportation, Copenhagen
  177. Ojeda-Cabral, M., Batley, R.P. & Hess, S. (2015), Understanding individuals’ valuations of travel time: the role of stated choice design variables, 14th International Conference on Travel Behaviour Research, Windsor.
  178. Fox, J.B., Hess, S. & Daly, A.J. (2015), Temporal Transferability of Models of Mode and Destination Choice, 14th International Conference on Travel Behaviour Research, Windsor.
  179. Börjesson, M. & Hess, S. (2015), Understanding attitudes towards congestion pricing: a latent variable investigation with data from four cities, 14th International Conference on Travel Behaviour Research, Windsor.
  180. Spitz, G.M. & Hess, S. (2015), How much do attitudes and values matter in mode choice?, 14th International Conference on Travel Behaviour Research, Windsor.
  181. Bradley, M., Hess, S., Adler, T.J. & Fowler, M. (2015), The Influence of Anchoring on Value of Time Estimation in Stated Preference Experiments, 14th International Conference on Travel Behaviour Research, Windsor.
  182. Ehreke, I., Hess, S. & Axhausen, K.W. (2015), The German value of time and value of reliability study: Comparing alternative model formulations, 14th International Conference on Travel Behaviour Research, Windsor.
  183. Calastri, C., Choudhury, C. & Hess, S. (2015), Modelling mode choice with “messy” GPS data: a case from Italy, 14th International Conference on Travel Behaviour Research, Windsor.
  184. Hess, S., Bliemer, M., Hibberd, D. & Choudhury, C. (2015), Understanding lane changing behaviour leading up to roadworks on motorways: a latent plan application using combined simulator experiments and stated preference surveys, 14th International Conference on Travel Behaviour Research, Windsor.
  185. Hess, S., Daly, A.J., Bradley, M., Outwater, M. & Dekker, T. (2015), Testing the Use of Indirect Influence for Large Scale Modelling, 4th International Choice Modelling Conference, Austin, Texas.
  186. Fox, J.B., Hess, S. & Daly, A.J. (2015), The Temporal Transferability of Mixed Logit Mode-Destination Choice Models, 4th International Choice Modelling Conference, Austin, Texas.
  187. Daly, A.J., Hess, S., Lu, H. & Rohr, C. (2015), Modelling the Impact of Multi-Buy Promotions on Alcohol Purchasing Behaviour: A Comparison of Estimation and Implementation of Sample Selection Models and the Multiple Discrete-Continuous Extreme Value (MCDEV) Model, 4th International Choice Modelling Conference, Austin, Texas.
  188. Bradley, M., Hess, S., Adler, T.J. & Fowler, M. (2015), The Influence of Anchoring on Value of Time Estimation in Stated Preference Experiments, 4th International Choice Modelling Conference, Austin, Texas.
  189. Outwater, M., Bradley, M., Ferdous, N., Bhat, C., Pendyala, R., Hess, S., Daly, A. & LaMondia, J. (2015), Tour-Based National Model System to Forecast Long-Distance Passenger Travel in the United States, 94th Annual Meeting of the Transportation Research Board, Washington, D.C.
  190. Dekker, T., Hess, S. & van Cranenburgh (2015), Indirect Inference for the Application of Random Regret Minimization to Large-Scale Travel Demand, 94th Annual Meeting of the Transportation Research Board, Washington, D.C.
  191. Cabral, M., Hess, S. & Batley, R. (2015), The Value of Travel Time: Random Utility versus Random Valuation, 94th Annual Meeting of the Transportation Research Board, Washington, D.C.
  192. Beck, M. & Hess, S. (2015), Willingness to Accept Longer Commutes for Better Salaries: Understanding the Differences Within and Between Couples, 94th Annual Meeting of the Transportation Research Board, Washington, D.C.
  193. Hess, S. & Chorus, C. (2015), Utility Maximization and Regret Minimization: Mixture of a Generalization, 94th Annual Meeting of the Transportation Research Board, Washington, D.C.
  194. Ehreke, I., Hess, S., Weis, C. & Axhausen, K.W. (2015), Reliability in the German Value-of-Time Study, 94th Annual Meeting of the Transportation Research Board, Washington, D.C.
  195. Nadudvari, T., Liu, R. & Hess, S. (2015), Modelling passengers’ route choice behaviour on the London Underground, 47th Annual UTSG Conference, City University, London
  196. Hess, S., Bliemer, M. & Hibberd, D. (2014), Combining evidence on driver behaviour from simulator experiments and stated preference surveys, 10th International Conference on Transport Survey Methods, Leura, Australia
  197. Beck, M., & Hess, S. (2014), It’s a lovely day for a walk: pedestrian route choice with realism, 10th International Conference on Transport Survey Methods, Leura, Australia
  198. Cabral, M., Hess, S. & Batley, R. (2014), The Value of Travel Time Changes: A Comparison of British and Danish National Studies, hEART 2014 – 3rd Symposium of the European Association for Research in Transportation, Leeds
  199. Hess, S., Daly, A.J. & Bradley, M. (2014), Using indirect inference to enable the use of cross-nested logit model for large scale modelling, hEART 2014 – 3rd Symposium of the European Association for Research in Transportation, Leeds
  200. Fu, Q., Liu, R. & Hess, S. (2014), A Bayesian modelling framework for individual passengers’ probabilistic route choices: A case study on the London Underground, 46th Annual Conference of Universities’ Transport Study Group, Newcastle
  201. Giergiczny, M., Hess, S., Dekker, D., Chintakayala, P.K. (2014), Testing Consistency Between Choices in Best-Worst Surveys, 93rd Annual Meeting of the Transportation Research Board, Washington, D.C.
  202. Hess, S., Quddus, M.A., Rieser-Schüssler, N. & Daly, A.J. (2014), Developing Advanced Route Choice Models for Heavy Goods Vehicles Using GPS Data, 93rd Annual Meeting of the Transportation Research Board, Washington, D.C.
  203. Hess, S. & Stathopoulos, A. (2014), Linking Decision Process to Indicators of Real-World Perceptions in a Latent Variable Latent Class Approach, 93rd Annual Meeting of the Transportation Research Board, Washington, D.C.
  204. Daly, A.J., Hess, S. & Dekker, T. (2014), Practical Solutions for Sampling Alternatives in Large-Scale Models, 93rd Annual Meeting of the Transportation Research Board, Washington, D.C.
  205. Dumont, J., Giergiczny, M. & Hess, S. (2014), Individual-Level Models Versus Sample-Level Models: Contrasts and Mutual Benefits, 93rd Annual Meeting of the Transportation Research Board, Washington, D.C.
  206. Dekker, T., Hess, S., Arentze, T.A. & Chorus, C. (2014), Incorporating Needs Satisfaction and Regret Minimization in Discrete Choice Model of Leisure Activities, 93rd Annual Meeting of the Transportation Research Board, Washington, D.C.
  207. Hess, S., Beck, M. & Chorus, C. (2014), Contrasts Between Utility Maximization and Regret Minimization in the Presence of Opt-Out Alternatives, 93rd Annual Meeting of the Transportation Research Board, Washington, D.C.
  208. Fu, Q., Liu, R. & Hess, S. (2014), A Bayesian modelling framework for individual passengers’ probabilistic route choices: A case study on the London Underground, 93rd Annual Meeting of the Transportation Research Board, Washington, D.C.
  209. Outwater, M.L., Bhat, C.R., Pendyala, R.M., Hess, S., Sana, B., Ferdous, N., Woodford, W. & Sidharthan, R. (2014), TCRP Project H-37: Characteristics of Premium Transit Services That Affect Mode Choice-Key Findings and Results, 93rd Annual Meeting of the Transportation Research Board, Washington, D.C.
  210. Cabral, M.O., Batley, R.P. & Hess, S. (2013), The Value of Travel Time Changes and Three Key Sources of Variation, International Conference on Uncertainties in Transport Infrastructure Evaluation, Copenhagen
  211. Hess, S. & Stathopoulos, A. (2013), Linking the decision process to indicators of real world perceptions in a latent variable latent class approach, hEART 2013 - 2nd Symposium of the European Association for Research in Transportation, Stockholm
  212. Vuk, G., Bowman, J., Daly, A.J. & Hess, S. (2013), Impact of the household on person travel demand: the notion of family priority time in activity based models, hEART 2013 - 2nd Symposium of the European Association for Research in Transportation, Stockholm
  213. Hess, S., Quddus, M., Rieser-Schüssler, N. & Daly, A.J. (2013), Developing advanced route choice models for heavy goods vehicles using GPS data, hEART 2013 - 2nd Symposium of the European Association for Research in Transportation, Stockholm
  214. Daly, A., Hess, S. & Dekker, T. (2013), Transtools III: development of a new transport model for Europe – preliminary work on non-linearities and value of time inputs, 13th triennial WCTR conference, Rio de Janeiro.
  215. Daly, A., Hess, S. & Dekker, T. (2013), Sampling of alternatives for spatial choice modelling, 13th triennial WCTR conference, Rio de Janeiro.
  216. Hess, S., Beck, M. & Chorus, C. (2013), Finding your way out: utility maximisation and regret minimisation in the presence of opt out alternatives, Third International Choice Modelling Conference, Sydney.
  217. Giergiczny, M., Chintakayala, P., Dekker, T. & Hess, S. (2013), Consistency (or lack thereof) between choices in best-worst surveys, Third International Choice Modelling Conference, Sydney.
  218. Mariel, P., Meyerhof, J. & Hess, S. (2013), Using a latent variable choice model to capture heterogeneous attitudes and preferences toward the landscape externalities of wind power generation, Third International Choice Modelling Conference, Sydney.
  219. Hoyos, D., Mariel, P. & Hess, S. (2013), Environmental Value Orientations in Discrete Choice Experiments: A Latent Variables Approach, Third International Choice Modelling Conference, Sydney.
  220. Hess, S., Sanko, N., Daly, A.J. & Dumont, J. (2013), A latent variable approach to dealing with missing or inaccurately measured variables: the case of income, Third International Choice Modelling Conference, Sydney.
  221. Vuk, V., Bowman, J.L., Hess, S. & Daly, A.J. (2013), Impact of household time constraints on person travel demand: the notion of family priority time in activity based models, Third International Choice Modelling Conference, Sydney.
  222. Hess, S., Giergiczny, M. & Dumont, J. (2013), Individual-level models vs. random coefficients sample level models: contrasts and mutual benefits, Third International Choice Modelling Conference, Sydney.
  223. Klojgaard, M. & Hess, S. (2013), Understanding the role of practitioners’ and patients’ perceptions in treatment choices in the face of limited clinical evidence: A Hybrid Choice Model approach in Health Economics, Third International Choice Modelling Conference, Sydney.
  224. Dumont, J., Hess, S., Daly, A.J. & Ferdous, N. (2013), The use of the Multiple Discrete Continuous Extreme Value modeling framework when the budget is latent: two consumer package good examples, Third International Choice Modelling Conference, Sydney.
  225. Dekker, T., Hess, S., Brouwer, R. & Hofkes, M. (2013), Implicitly or explicitly uncertain? An integrated choice and latent variable model to address decision certainty in stated choice experiments, Third International Choice Modelling Conference, Sydney.
  226. Hess, S., Stathopoulos, A., Campbell, D., O’Neill, V. & Caussade, S. (2013), It’s not that I don’t care, I just don’t care very much: confounding between attribute non-attendance and taste heterogeneity, 92nd Annual Meeting of the Transportation Research Board, Washington, D.C.
  227. Rose, J.M., Hess, S., Greene, W.H. & Hensher, D.A. (2013), Generalized Multinomial Logit Model: Misinterpreting Scale and Preference Heterogeneity in Discrete Choice Models or Untangling the Un-Untanglable? , 92nd Annual Meeting of the Transportation Research Board, Washington, D.C.
  228. Hess, S., Daly, A.J., Dumont, J. & Sanko, N. (2013), When Explanatory Variables Are Unobserved: Example of Latent Income, 92nd Annual Meeting of the Transportation Research Board, Washington, D.C.
  229. Batley, R.P. & Hess, S. (2013), Simple Test for Identifying Violations of Random Utility Model, 92nd Annual Meeting of the Transportation Research Board, Washington, D.C.
  230. Hess, S., Shires, J.D. & Jopson, A. (2013), Accommodating Underlying Pro-environmental Attitudes in a Rail Travel Context: Application of a Latent Variable Latent Class Specification, 92nd Annual Meeting of the Transportation Research Board, Washington, D.C.
  231. Fu, Q., R. Liu, and Hess, S.. (2012), On considering journey time variability and passengers’ path choice: An empirical study using Oyster card data on the London Underground, 5th International Symposium on Transportation Network Reliability, Hong Kong
  232. Fu, Q., R. Liu, and Hess, S.. (2012), A review on transit assignment modelling approaches to congested networks: A new perspective, 15th Meeting of the EURO Working Group on Transportation, Paris, France.
  233. Dekker, T. & Hess, S. (2012), Hybrid choice models, structure,, identification and estimation, Latsis symposium 2012: 1st European Symposium on Quantitative Methods in Transportation Systems, Lausanne.
  234. Daly, A., Dekker, T. & Hess, S. (2012), Sampling of alternatives for spatial choice modelling, Latsis symposium 2012: 1st European Symposium on Quantitative Methods in Transportation Systems, Lausanne.
  235. Hess, S., Daly, A.J., Dumont, J. & Sanko, N. (2012), When explanatory variables are unobserved: the example of latent income, resource paper presentation at the 13th International Conference on Travel Behaviour Research, Toronto.
  236. Hess, S., Collins, A.C. & Rose, J.M. (2012), Joint modelling of decision process and choice using data from an interactive stated choice survey on air travel behaviour, 13th International Conference on Travel Behaviour Research, Toronto.
  237. Hess, S. & Stathopoulos, A. (2012), Linking the decision process to underlying attitudes and perceptions: a latent variable latent class construct, 13th International Conference on Travel Behaviour Research, Toronto.
  238. Arellana, J., Daly, A.J., Hess, S., Ortúzar, J.de D. & Rizzi, L. (2012), The flexibility of departure time for work based trips: an integrated choice and latent variable approach, 13th International Conference on Travel Behaviour Research, Toronto.
  239. Dekker, T. & Hess, S. (2012), The limits of flexibility in controlling for heterogeneity in mixed multinomial logit models - an argument for using latent class models, 13th International Conference on Travel Behaviour Research, Toronto.
  240. Rose, J.M., Hess, S., Hensher, D.A. & Greene, W.H. (2012), The Generalised Multinomial Logit model: Misinterpreting scale and preference heterogeneity in discrete choice models or untangling the un-untanglable?, 13th International Conference on Travel Behaviour Research, Toronto.
  241. Fox, J.B., Daly, A.J., Hess, S. & Miller, E. (2012), Temporal Transferability of Models of Mode-Destination Choice for the Greater Toronto and Hamilton Area, 13th International Conference on Travel Behaviour Research, Toronto.
  242. Batley, R.P. & Hess, S. (2012), A simple test for identifying violations of the Random Utility Model (RUM), 13th International Conference on Travel Behaviour Research, Toronto.
  243. Hess, S. & Rose, J.M. (2012), Can Scale and Coefficient Heterogeneity Be Separated in Random Coefficients Models?, 2012 Conjoint Analysis in Health Care conference, Orlando, Florida.
  244. Hess, S. (2012), Impact of Unimportant Attributes in Stated-Choice Surveys, 91st Annual Meeting of the Transportation Research Board, Washington, D.C.
  245. Hess, S. & Rose, J.M. (2012), Can Scale and Coefficient Heterogeneity Be Separated in Random Coefficients Models?, 91st Annual Meeting of the Transportation Research Board, Washington, D.C.
  246. Hess, S. & Stathopoulos, A. (2012), Linking response quality to survey engagement: a combined random scale and latent variable approach, 91st Annual Meeting of the Transportation Research Board, Washington, D.C.
  247. Hess, S., Hensher, D.A. & Daly, A.J. (2012), Not bored yet – revisiting respondent fatigue in stated choice experiments, 91st Annual Meeting of the Transportation Research Board, Washington, D.C.
  248. O’Neill, V., Hess, S. & Campbell, D. (2012), I’ll Take the Money and You Can Have the Short Commute: Study of Household-Level Work and Travel Decisions, 91st Annual Meeting of the Transportation Research Board, Washington, D.C.
  249. Hess, S. & Hensher, D.A. (2012), Making Use of Respondent Reported Processing Information to Understand Attribute Importance: Latent Variable Scaling Approach, 91st Annual Meeting of the Transportation Research Board, Washington, D.C.
  250. Arellana, J., Daly, A.J., Hess, S., Ortúzar, J. de D. & Rizzi, L. (2012), Developing surveys for the study of departure time choice: a two-stage efficient design approach, 91st Annual Meeting of the Transportation Research Board, Washington, D.C.
  251. Hess, S., Stathopoulos, A. & Daly, A.J. (2011), Allowing for heterogeneous decision rules in discrete choice models: an approach and four case studies, European Transport Conference, Glasgow.
  252. Johnson, D., Matthews, B., Hess, S. & Bielefeldt, C. (2011), An indirect flight from my local airport or a direct flight from an alternative airport: how does surface access influence the decision?, European Transport Conference, Glasgow.
  253. Hess, S., Daly, A.J., Hensher, D.A. & Adler, T.J. (2011), The role of constants in WTP computation, European Transport Conference, Glasgow.
  254. Stathopoulos, A. & Hess, S. (2011), Revisiting reference point formation, gains-losses asymmetry and non-linear sensitivity: one size does not fit all!, European Transport Conference, Glasgow.
  255. Hess, S., Stathopoulos, A., Campbell, D., O’Neill, V. & Caussade, S. (2011), It’s not that I don’t care, I just don’t care very much: confounding between attribute non-attendance and taste heterogeneity, European Transport Conference, Glasgow.
  256. Hess, S. & Hensher, D.A. (2011), Making use of respondent reported processing information to understand attribute importance: a latent variable scaling approach, European Transport Conference, Glasgow.
  257. Dumont, J., Adler, T.J., Hess, S. & Neafsey, W.C. (2011), Using individual-level parameter estimates to investigate evidence of lexicographic behaviour and heterogeneity in information processing strategies, European Transport Conference, Glasgow.
  258. Hess, S. & Stathopoulos, A. (2011), Linking response quality to survey engagement: a combined random scale and latent variable approach, Second International Choice Modelling Conference, Oulton Hall, Leeds.
  259. Hess, S., Stathopoulos, A. & Daly, A.J. (2011), Allowing for heterogeneous decision rules in discrete choice models: an approach and four case studies, Second International Choice Modelling Conference, Oulton Hall, Leeds.
  260. Dumont, J., Adler, T.J., Hess, S. & Neafsey, W.C. (2011), Using individual-level parameter estimates to investigate evidence of lexicographic behavior and heterogeneity in information processing strategies, Second International Choice Modelling Conference, Oulton Hall, Leeds.
  261. Orr, S., Hess, S. & Sheldon, R. (2011), Consistency and Fungibility of Monetary Valuations in Transport: an empirical analysis of framing and mental accounting effects, Second International Choice Modelling Conference, Oulton Hall, Leeds.
  262. O’Neill, V.L., Hess, S., Campbell, D. & Hutchinson, G. (2011), Incorporating latent attitudes in analysing food choices, Second International Choice Modelling Conference, Oulton Hall, Leeds.
  263. Connors, R., Hess, S. & Daly, A. (2011), On the computation of probit choice probabilities, Second International Choice Modelling Conference, Oulton Hall, Leeds.
  264. Abou Zeid, M., Ben-Akiva, M.E., Bierlaire, M., Choudhury, C.F. & Hess, S. (2011), Attitudes and Value of Time Heterogeneity, 90th Annual Meeting of the Transportation Research Board, Washington, D.C.
  265. Daly, A.J., Hess, S. & Train, K.E. (2011), Ensuring Finite Moments for Willingness to Pay in Random Coefficient Models, 90th Annual Meeting of the Transportation Research Board, Washington, D.C.
  266. Rose, J.M., Hess, S., Bliemer, M.C.J, & Daly, A. (2011), Impact of Varying Number of Repeated Choice Observations on Mixed Multinomial Logit Model, 90th Annual Meeting of the Transportation Research Board, Washington, D.C.
  267. Orr, S., Hess, S. & Sheldon, R. (2011), Consistency and Fungibility of Monetary Valuations in Transport, 90th Annual Meeting of the Transportation Research Board, Washington, D.C.
  268. Rose, J.M., Hess, S. & Collins, A. (2011), Impact of Violations of Model Assumptions: Role of Lexicography, Inconsistent Choices, and Changing Preferences in Model Estimation, 90th Annual Meeting of the Transportation Research Board, Washington, D.C.
  269. Stathopoulos, A. & Hess, S. (2011), Modelling multi‐attribute reference‐dependence in choice experiments: Does one size fit all?, 90th Annual Meeting of the Transportation Research Board, Washington, D.C.
  270. Hess, S., Stathopoulos, A. & Daly, A.J. (2011), Mixing of Behavioural Processes: Modelling Framework and Four Case Studies, 90th Annual Meeting of the Transportation Research Board, Washington, D.C.
  271. Daly, A.J. & Hess, S. (2011), Simple Approaches for Random Utility Modelling with Panel Data, 90th Annual Meeting of the Transportation Research Board, Washington, D.C.
  272. Hess, S. & Stathopoulos, A. (2010), Linking response quality to survey engagement: a combined random scale and latent variable approach, European Transport Conference, Glasgow.
  273. Hess, S. (2010), Customising surveys to accommodate heterogeneous information processing strategies, European Transport Conference, Glasgow.
  274. Hess, S., Hensher, D.A. & Daly, A. (2010), Not bored yet – revisiting respondent fatigue in stated choice experiments, European Transport Conference, Glasgow.
  275. Gibson, V., Hess, S., Campbell, D. & Beharry-Borg, N. (2010), Individual versus intra-household decision making: who really wears the trousers? , European Transport Conference, Glasgow.
  276. Orr, S., Hess, S. & Sheldon, R. (2010), Consistency and Fungibility of Monetary Valuations in Transport, European Transport Conference, Glasgow.
  277. Daly, A.J. & Hess, S. (2010), Simple Approaches for Random Utility Modelling with Panel Data, European Transport Conference, Glasgow.
  278. Caussade, S. & Hess, S. (2010) Customers’ Willingness To Pay For Intermediate Cabins In The Airline Industry: A Trade-Off Between Improved Service And Frequent Flier Benefits, European Transport Conference, Glasgow.
  279. Campbell, D. & Hess, S. (2010) Preference heterogeneity and attribute non-attendance: can they be separated?, European Transport Conference, Glasgow.
  280. Daly, A., Hess, S., Patruni, B., Potoglou, D. & Rohr, C. (2010), Modelling the role of attitudes in eliciting individuals’ preference across liberty, privacy and security, 12th triennial WCTR conference, Lisbon.
  281. Rose, J.M., Hess, S., Collins, A. & Bain, S. (2010), An analysis of the impact of non-compensatory behaviour of logit model estimation, 12th triennial WCTR conference, Lisbon.
  282. Hess, S., Fowler, M., Adler, T.& Bahreinian, A. (2010), A joint model for vehicle type and fuel type, 12th triennial WCTR conference, Lisbon.
  283. Stathopoulos, A. & Hess, S. (2010), Modelling multi-attribute reference dependence in a commuting choice experiment: does one size fit all?, 12th triennial WCTR conference, Lisbon.
  284. Daly, A. & Hess, S. (2010), Simple methods for panel data analysis, 12th triennial WCTR conference, Lisbon.
  285. Hess, S. & Beharry-Borg, N. (2010), Accounting for latent attitudes in an analysis of the willingness to pay for improved water quality by beach visitors in Tobago, fourth World Congress of Environmental and Resource Economists, Montreal.
  286. Campbell, D. & Hess, S. (2010), Outlying sensitivities in discrete choice data: consequences and remedies, fourth World Congress of Environmental and Resource Economists, Montreal.
  287. Hess, S., Shires, J. & Bonsall, P. (2010), Treatment of Respondent Uncertainty in Stated-Choice Survey for Fare Simplification on Bus Journeys, 89th Annual Meeting of the Transportation Research Board, Washington, D.C.
  288. Hess, S. & Train, K.E. (2010), Approximation Issues in Simulation-Based Estimation of Random Coefficient Models, 89th Annual Meeting of the Transportation Research Board, Washington, D.C.
  289. Hess, S., Ryley, T., Davison, L. & Adler, T. (2010), Improving Quality of Demand Forecasts Through Cross-Nested Logit: Stated-Choice Case Study of Airport, Airline, and Access Mode Choice, 89th Annual Meeting of the Transportation Research Board, Washington, D.C.
  290. Hess, S., Rose, J.M. & Bain, S. (2010), Random Scale Heterogeneity in Discrete Choice Models, 89th Annual Meeting of the Transportation Research Board, Washington, D.C.
  291. Hess, S., Marsden, G., Shires, J., Jopson, A. & Muir, H. (2010), Analyzing Rail Travelers’ Desire for Reducing Carbon Emissions from Personal Travel, 89th Annual Meeting of the Transportation Research Board, Washington, D.C.
  292. Fox, J. & Hess, S. (2010), Review of Evidence for Temporal Transferability of Mode-Destination Models, 89th Annual Meeting of the Transportation Research Board, Washington, D.C.
  293. Chorlton, K., Hess, S., Jamson, S. & Wardman, M. (2010), Deal or No Deal: Can Incentives Encourage Widespread Adoption of Intelligent Speed Adaptation Devices?, 89th Annual Meeting of the Transportation Research Board, Washington, D.C.
  294. Hess, S. & Adler, T. (2010), Experimental Designs for the Real World, 89th Annual Meeting of the Transportation Research Board, Washington, D.C.
  295. Hess, S., Ben-Akiva, M., Gopinath, D., & Walker, J. (2009), Advantages of latent class choice models over continuous mixed logit models, 12th International Conference on Travel Behaviour Research, Jaipur.
  296. Bonsall, P., Shires, J., & Hess, S. (2009), The value of simplicity: an investigation of travellers’ response to simplified fare structures, 12th International Conference on Travel Behaviour Research, Jaipur.
  297. Hess, S., Rose, J.M. & Bain, S. (2009), Random scale heterogeneity in discrete choice models, European Transport Conference, Noordwijkerhout.
  298. Hess, S. & Rose, J.M. (2009), Some lessons in stated choice survey design, European Transport Conference, Noordwijkerhout.
  299. Hess, S., Fowler, M., Adler, T. & Bahreinian, A. (2009), A joint model for vehicle type and fuel type, European Transport Conference, Noordwijkerhout.
  300. Hess, S. & Adler, T. (2009), An analysis of trends in air travel behaviour using four related SP datasets collected between 2000 and 2005, European Transport Conference, Noordwijkerhout.
  301. Daly, A., Hess, S. & Train, K. (2009), Assuring Finite Moments For Willingness To Pay In Random Coefficient Models, European Transport Conference, Noordwijkerhout.
  302. Chorlton, K., Hess, S., Jamson, S. & Wardman, M. (2009), An investigation into the demand for Intelligent Speed Adaptation (ISA) systems in the United Kingdom, European Transport Conference, Noordwijkerhout.
  303. Rose, J.M., Hess, S., Bliemer, M. & Daly, A. (2009), The impact of varying the number of repeated choice observations on the mixed multinomial logit model, European Transport Conference, Noordwijkerhout.
  304. Chintakayala, P., Hess, S. & Rose, J.M. (2009), Using second preference choices in pivot surveys as a means of dealing with inertia, European Transport Conference, Noordwijkerhout.
  305. Caussade, S. & Hess, S. (2009), An investigation into air travellers willingness to pay for ancillary service attributes within a branded fare context, European Transport Conference, Noordwijkerhout.
  306. Campbell, D. & Hess, S. (2009), Outlying sensitivities in discrete choice data: causes, consequences and remedies, European Transport Conference, Noordwijkerhout.
  307. Hess, S., Ben-Akiva, M., Gopinath, D. & Walker, J. (2009), Taste heterogeneity, correlation and elasticities in latent class choice models, inaugural International Choice Modelling Conference, Harrogate.
  308. Campbell, D., Hess, S., Scarpa, R. & Rose, J.M. (2009), Using finite mixture models to accommodate preference outliers in discrete choice modelling, inaugural International Choice Modelling Conference, Harrogate.
  309. Chintakayala, P.K., Hess, S., Rose, J.M. & Wardman, M.R. (2009), Effects of stated choice design dimensions on estimates, inaugural International Choice Modelling Conference, Harrogate.
  310. Hess, S. & Daly, A. (2009), Calculating errors for measures derived from choice modelling estimates, 88th Annual Meeting of the Transportation Research Board, Washington, D.C.
  311. Hess, S. & Rose, J.M. (2009), Should reference alternatives in pivot design SC surveys be treated differently?, 88th Annual Meeting of the Transportation Research Board, Washington, D.C.
  312. Hess, S., Ben-Akiva, M., Gopinath, D. & Walker, J. (2009), Taste heterogeneity, correlation and elasticities in latent class choice models, 88th Annual Meeting of the Transportation Research Board, Washington, D.C.
  313. Hess, S. & Hensher, D.A. (2009), Using conditioning on observed choices to retrieve individual-specific attribute processing strategies, 88th Annual Meeting of the Transportation Research Board, Washington, D.C.
  314. Hess, S. (2009), Evidence of passenger preferences for specific types of airports, 88th Annual Meeting of the Transportation Research Board, Washington, D.C.
  315. Collins, A.T., Rose, J.M. & Hess, S. (2009), Search based internet surveys: airline stated choice, 88th Annual Meeting of the Transportation Research Board, Washington, D.C.
  316. Rose, J.M. & Hess, S. (2009), Dual response choices in pivoted stated choice experiments, 88th Annual Meeting of the Transportation Research Board, Washington, D.C.
  317. Collins, A., Rose, J.M., & Hess, S. (2008), Search Based Internet Surveys: Airline Stated Choice by Rose, 8th International Conference on Survey Methods in Transport, Annecy, France.
  318. Hess, S. & Daly, A. (2008), Calculating errors for measures derived from choice modelling estimates, European Transport Conference, Noordwijkerhout.
  319. Hess, S., Ben-Akiva, M., Gopinath, D. & Walker, J. (2008), Some developments in latent class modelling, European Transport Conference, Noordwijkerhout.
  320. Hess, S. & Train, K.E. (2008), Approximation issues in simulation-based estimation of random coefficients models, European Transport Conference, Noordwijkerhout.
  321. Hess, S., Rose, J.M. & Polak, J.W. (2008), Approaches for dealing with non-trading, lexicographic and inconsistent behaviour in stated choice data, European Transport Conference, Noordwijkerhout.
  322. Chintakayala, P.K., Rose, J.M., Hess, S. & Wardman, M. (2008), UK experience with an advanced survey design for value of time studies, European Transport Conference, Noordwijkerhout.
  323. Polak, J.W., Hess, S. & Liu, X. (2008), Characterising Heterogeneity in Attitudes to Risk in Expected Utility Models of Mode and Departure Time Choice, 87th Annual Meeting of the Transportation Research Board, Washington, D.C.
  324. Hess, S., Smith, C. Falzarano, C.S. & Stubits, J. (2008), Measuring Effects of Different Experimental Designs and Survey Administration Methods Using Atlanta Managed-Lanes Stated-Preference Survey, 87th Annual Meeting of the Transportation Research Board, Washington, D.C.
  325. Hess, S., Erath, A. & Axhausen, K.W. (2008), Joint Valuation of Travel Time Savings Estimation on Four Separate Swiss Data , 87th Annual Meeting of the Transportation Research Board, Washington, D.C.
  326. Hess, S. & Rose, J.M. (2008), Intra-respondent Taste Heterogeneity in Instantaneous Panel Surveys, 87th Annual Meeting of the Transportation Research Board, Washington, D.C.
  327. Hess, S., Rose, J.M. & Polak, J.W. (2008), Nontrading, Lexicographic, and Inconsistent Behaviour in Stated-Preference Choice , 87th Annual Meeting of the Transportation Research Board, Washington, D.C.
  328. Mabit, S., Hess, S. & Caussade, S. (2008), Correlation and Willingness-to-Pay Indicators in Transport Demand Modelling, 87th Annual Meeting of the Transportation Research Board, Washington, D.C.
  329. Polak, J.W. & Hess, S. (2007), Expected utility and non-expected utility models of risky choice: a new framework and estimation results, European Transport Conference, Noordwijkerhout.
  330. Hess, S., Erath, A. & Axhausen, K.W. (2007), Reducing bias in value of time estimates by joint estimation on multiple datasets: a case study in Switzerland, European Transport Conference, Noordwijkerhout.
  331. Collins, A., Hess, S. & Rose, J.M. (2007), Stated Preference survey design in air travel choice behaviour modelling, European Transport Conference, Noordwijkerhout.
  332. Hess, S. & Rose, J.M. (2007), Obtaining further insights into taste heterogeneity by conditioning on observed choices, European Transport Conference, Noordwijkerhout.
  333. Hess, S. & Rose, J.M. (2007), Intra-respondent taste heterogeneity in instantaneous panel data, European Transport Conference, Noordwijkerhout.
  334. Axhausen, K.W., Hess, S., König, A., Abay, G., Bates, J.J. & Bierlaire, M. (2007), Income and distance elasticities of values of travel time savings: New Swiss results, 11th triennial WCTR conference, Berkeley, CA.
  335. Hess, S., & Rose, J.M. (2007), Some lessons for working with repeated choice data, 11th triennial WCTR conference, Berkeley, CA.
  336. Hess, S. & Polak, J.W. (2007), Modelling air travel choice behaviour in Greater London, 11th triennial WCTR conference, Berkeley, CA.
  337. Hess, S., Rose, J.M., & Hensher, D.A. (2007), Asymmetrical Preference Formation in Willingness to Pay Estimates in Discrete Choice Models, 11th triennial WCTR conference, Berkeley, CA.
  338. Hess, S. (2007), Stated preference models for airport and airline choice with conditioning on observed choices, 11th triennial WCTR conference, Berkeley, CA.
  339. Bliemer, M.C.J., Rose, J.M. & Hess, S. (2007), Approximation of Bayesian Efficiency in Experimental Choice Designs, 11th triennial WCTR conference, Berkeley, CA.
  340. Hess, S. (2007), Reference Dependence in SP Air Travel Data, 11th Air Transport Research Society World Conference, Berkeley, CA.
  341. Hess, S. (2007), Posterior analysis of random taste coefficients in air travel choice behaviour modelling, 86th Annual Meeting of the Transportation Research Board, Washington, D.C.
  342. Hess, S., Rose, J.M., & Hensher, D.A. (2007), Asymmetrical Preference Formation in Willingness to Pay Estimates in Discrete Choice Models, 86th Annual Meeting of the Transportation Research Board, Washington, D.C.
  343. Rose, J.M., Hess, S. & Hensher, D.A. (2007), Examination of the respondent reported attribute processing strategies in stated choice experiments constructed from revealed preference data, 86th Annual Meeting of the Transportation Research Board, Washington, D.C.
  344. Bliemer, M.C.J., Rose, J.M. & Hess, S. (2007), Approximation of Bayesian Efficiency in Experimental Choice Designs, 86th Annual Meeting of the Transportation Research Board, Washington, D.C.
  345. Axhausen, K.W., Hess, S., König, A., Abay, G., Bates, J.J. & Bierlaire, M. (2007), State of the art estimates of the Swiss value of travel time savings, 86th Annual Meeting of the Transportation Research Board, Washington, D.C.
  346. Hess, S. (2007), Modelling the valuation of travel time savings, Annual UTSG meeting, Harrogate.
  347. Hess, S., Polak, J.W., & Bierlaire, M. (2006), Confounding between substitution patterns and random taste heterogeneity, 6th Swiss Transport Research Conference, Monte Verita, Ascona.
  348. Hess, S., Bierlaire, M. & Polak, J.W. (2006), Discrete Mixture models, 6th Swiss Transport Research Conference, Monte Verita, Ascona.
  349. Hess, S., Axhausen, K.W. & Polak, J.W. (2006), Distributional assumptions in Mixed Logit models, 6th Swiss Transport Research Conference, Monte Verita, Ascona.
  350. Hess, S., Rose, J.M., & Hensher, D.A. (2006), Asymmetrical Preference Formation in Willingness to Pay Estimates in Discrete Choice Models, European Transport Conference, Strasbourg.
  351. Hess, S. (2006), Posterior analysis of random taste coefficients in air travel choice behaviour modelling, European Transport Conference, Strasbourg.
  352. Mabit, S., Caussade, S. & Hess, S. (2006), Representation of taste heterogeneity in willingness-to-pay indicators: past mistakes, state-of-the-art, and future directions, European Transport Conference, Strasbourg.
  353. Fosgerau, M. & Hess, S. (2006), Competing methods for representing random taste heterogeneity in discrete choice models, European Transport Conference, Strasbourg.
  354. Hess, S., Polak, J.W. & Bierlaire, M. (2006), Confounding between substitution patterns and random taste heterogeneity, European Transport Conference, Strasbourg.
  355. Hess, S., Bierlaire, M. & Polak, J.W. (2006), A systematic comparison of continuous and discrete mixture models, 11th International Conference on Travel Behaviour Research, Kyoto.
  356. Hess, S., Bolduc, D. & Polak, J.W. (2006), Random covariance heterogeneity in discrete choice models, 11th International Conference on Travel Behaviour Research, Kyoto.
  357. Hess, S., Bolduc, D. & Polak, J.W. (2006), Random Covariance Heterogeneity in Discrete Choice Models, 85th Annual Meeting of the Transportation Research Board, Washington D.C.
  358. Hess, S., Adler, T. & Polak, J.W. (2006), Modelling Airport and Airline Choice Behaviour with Stated Preference Survey Data, 85th Annual Meeting of the Transportation Research Board, Washington D.C.
  359. Hess, S., Axhausen, K.W. & Polak, J.W. (2006), Distributional Assumptions in Mixed Logit Models, 85th Annual Meeting of the Transportation Research Board, Washington D.C.
  360. Hess, S. & Polak, J.W. (2006), Cross-Nested Logit Modelling of Combined Choice of Airport, Airline, and Access Mode, 85th Annual Meeting of the Transportation Research Board, Washington D.C.
  361. Hess, S. (2005), Competition between London Airports, Meeting of the German Aviation Research Society, Vienna.
  362. Hess, S., Bierlaire, M. & Polak, J.W. (2005), Discrete mixtures of GEV models, 5th Swiss Transport Research Conference, Monte Verita, Ascona.
  363. Hess, S., Bierlaire, M. & Polak, J.W. (2005), Mixed GEV modelling of mode-choice, 5th Swiss Transport Research Conference, Monte Verita, Ascona.
  364. Hess, S., Bierlaire, M. & Polak, J.W. (2005), Interpretation of counter-intuitively signed value of travel-time saving estimates, 5th Swiss Transport Research Conference, Monte Verita, Ascona.
  365. Hess, S. & Axhausen, K.W. (2005), Distributional assumptions in the representation of random taste heterogeneity, 5th Swiss Transport Research Conference, Monte Verita, Ascona.
  366. Hess, S. & Polak, J.W. (2005), Cross-Nested Logit modelling of the combined choice of airport, airline and access-mode, European Transport Conference, Strasbourg.
  367. Hess, S., Bierlaire, M. & Polak, J.W. (2005), Discrete mixtures of random utility models, European Transport Conference, Strasbourg.
  368. Hess, S., Bolduc, D. & Polak, J.W. (2005), Random Covariance Heterogeneity in Discrete Choice Models, European Transport Conference, Strasbourg.
  369. Rohr, C., Daly, A., Hess, S., Bates, J., Polak, J.W. & Hyman, G. (2005), Modelling Time Period Choice: Experience from the UK and the Netherlands, European Transport Conference, Strasbourg.
  370. Hess, S., Bolduc, D. & Polak, J.W. (2005), Random Covariance Heterogeneity in Discrete Choice Models, European Regional Science Conference, Amsterdam.
  371. Daly, A., Hess, S., Polak, J.W., Hyman, G. & Rohr, C. (2005), Modelling departure time and mode choice, European Regional Science Conference, Amsterdam.
  372. Hess, S. (2005), Analysing air travel choice behaviour in the Greater London area, European Regional Science Conference, Amsterdam.
  373. Hess, S., Polak, J.W. & Bierlaire, (2005), Functional approximations to alternative-specific constants in time-period choice-modelling, Transportation and Traffic Theory: Flow, Dynamics and Human Interaction, 16th International Symposium on Transportation and Traffic Theory, College Park, MA.
  374. Hess, S., Adler, T. & Polak, J.W. (2005), Computing Willingness to pay indicators for air travellers from SP survey data, 9th Air Transport Research Society Word Conference, Rio de Janeiro.
  375. Battersby, B. & Hess, S. (2005), Accounting for seat capacity and availability constraints in modelling air-travel choice behaviour, 9th Air Transport Research Society Word Conference, Rio de Janeiro.
  376. Hess, S., Bierlaire, M. & Polak, J.W. (2005), Estimation of value of travel-time savings using Mixed Logit models, 84th Annual Meeting of the Transportation Research Board, Washington D.C.
  377. Hess, S. & Polak, J.W. (2005), Accounting for random taste heterogeneity in airport-choice modelling, 84th Annual Meeting of the Transportation Research Board, Washington D.C.
  378. Bastin, F., Cirillo, C. & Hess, S. (2005), Evaluation of advanced optimisation methods for estimating Mixed Logit models, 84th Annual Meeting of the Transportation Research Board, Washington D.C.
  379. Hess, S., Polak, J.W. & Daly, A.J. (2005), Flexible Substitution Patterns in Models of Mode and Time of Day Choice: New evidence from the UK and the Netherlands, 84th Annual Meeting of the Transportation Research Board, Washington D.C.
  380. Hess, S., Bierlaire, M. & Polak, J.W. (2005), Capturing taste heterogeneity and correlation structure with Mixed GEV models, 84th Annual Meeting of the Transportation Research Board, Washington D.C.
  381. Hess, S. (2005), Modelling airport choice in the London area, Annual UTSG meeting, Bristol.
  382. Hess, S. (2004), A model for the joint analysis of airport, airline, and access-mode choice for passengers departing from the San Francisco Bay area, European Transport Conference, Strasbourg.
  383. Hess, S., Bierlaire, M. & Polak, J.W. (2004), Development and Application of a Mixed Cross-Nested Logit model, European Transport Conference, Strasbourg.
  384. Hess, S., Polak, J.W., Daly, A. & Hyman, G. (2004), Departure Time and Mode Choice, European Transport Conference, Strasbourg.
  385. Hess, S. & Polak, J.W. (2004), An analysis of parking behaviour using discrete choice models calibrated on SP datasets, R-sessions, European Regional Science conference, Porto.
  386. Hess, S. (2004), An analysis of airport-choice behaviour using the Mixed Multinomial Logit model, European Regional Science Conference, Porto.
  387. Hess, S. & Polak, J.W. (2004), On the use of Discrete Choice Models for Airport Competition with Applications to the San Francisco Bay area Airports, 10th triennial WCTR conference, Istanbul.
  388. Hess, S., Polak, J.W. & Bierlaire, M. (2004), Development of a Mixed Cross-Nested Logit Model with an Application to Mode Choice Modelling, 10th triennial WCTR conference, Istanbul.
  389. Hess, S. (2004), Mixed Logit modelling of airport choice in the San Francisco Bay area, 8th Air Transport Research Society Word Conference, Istanbul.
  390. Hess, S. & Polak, J.W. (2004), Recent developments in the area of simulation-based discrete choice models, Workshop in computational econometrics and statistics, Neuchatel University.
  391. Hess, S. (2004), Understanding airport-choice behaviour, German Aviation Research Society, Technical University, Bremen.
  392. Hess, S., Train, K.E. & Polak, J.W. (2004), On the use of randomly shifted and shuffled uniform vectors in the estimation of a Mixed Logit model for vehicle choice, 83rd Annual Meeting of the Transportation Research Board, Washington D.C.
  393. Hess, S. & Polak, J.W. (2004), Mixed Logit estimation of parking type choice, 83rd Annual Meeting of the Transportation Research Board, Washington D.C.
  394. Hess, S. (2004), An analysis of the effects of speed limit enforcement cameras with differentiation by road type and catchment area, 83rd Annual Meeting of the Transportation Research Board, Washington D.C.
  395. Hess, S. & Polak, J.W. (2004), Development and application of a model for airport competition in multi-airport regions, Annual UTSG meeting, Newcastle upon Tyne.
  396. Jotisankasa, A., Hess, S. & Polak, J.W. (2004), On the effects of alternative discretisation strategies in departure time choice modelling, Annual UTSG meeting, Newcastle upon Tyne.
  397. Hess, S., Polak, J.W., Daly, A.J. (2003), On the performance of shuffled Halton sequences in the estimation of discrete choice models, European Transport Conference, Strasbourg.
  398. Hess, S. & Polak, J.W. (2003), An alternative method to the scrambled Halton sequence for removing correlation between standard Halton sequences in high dimensions, R-sessions, European Regional Science Conference, Jyväskylä.
  399. Hess, S. & Polak, J.W. (2003), An Analysis of the Effects of Speed Limit Enforcement Cameras on Accident Rates, 82nd Annual Meeting of the Transportation Research Board, Washington D.C.