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Webinar: An Introduction to the Construction of Discrete Choice Experiments
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6/1/2020
When: Monday, June 1, 2020
8:00 AM ET
Where: Online
Presenter: Deborah Street
Contact: iHEA


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An Introduction to the Construction of Discrete Choice Experiments

Hosted by the Health Preference Research Special Interest Group

Monday, June 1, 2020
8:00 AM ET - check your timezone online here

Discrete choice experiments (DCEs) are a popular stated preference tool in health-related areas. In a typical choice experiment respondents are presented with a scenario in which a choice must be made, and a set of possible options (a choice set). The options are described by a number of attributes, each of which takes a specific level in each option. Respondents are assumed to make utility-maximising decisions, the utility is assumed to have a deterministic component which is a function of the attributes and levels, and the goal of the DCE is to model how the attribute levels affect respondent choices.

The design problem for DCEs is simply stated: which options should be presented together in a choice set, and which choice sets should be presented together to make a choice experiment.

After discussing the basic features of a DCE, this talk will outline how a set of possible DCEs can be compared and ordered from best to worst. We will then go on to discuss how to construct generator-developed designs, a robust approach to obtaining DCEs. Various algorithmic constructions for DCEs have been proposed and these will be briefly outlined.

Speaker: Deborah Street

Deborah Street, PhD, is the head of the Choice Modelling Research Group at the Centre for Health Economics Research and Evaluation (CHERE) at the University of Technology Sydney (UTS). Debbie's research is in the theoretical construction of optimal designs, and she has focused on discrete choice experiments for the last 20 years or so. She has published widely on both the theory and application of choice experiments. She has been involved in projects that investigate the impact of the method of design construction on the results obtained, and in work that investigates the impact of the presentation of the choice task, or of the context of the task, on the results obtained. She has been an active member of various projects to use DCEs in the valuation of health states and is a member of the EuroQol group. She is currently involved in an NHMRC-funded project on general population preferences for care at the end of life.


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