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Welcome to a demonstration of our new method SADR - separated adaptive dual response
This new method implements two new features in discrete choice experiments, which substantially improve willingness-to-pay estimates: (a) strictly separating all forced and all free choice questions and (b) an adaptive mechanism to select fewer, but more informative, free choice questions. These features avoid shortcomings associated with the estimation, such as context effects, extreme response behavior, and problems with estimating consumers’ willingness to pay accurately when the purchase probability is high. For more information, please see:
- Schlereth, Christian / Skiera, Bernd (2016), "Two New Features in Discrete Choice Experiments to Improve Willingness to Pay Estimation that Result in SDR and SADR: Separated (Adaptive) Dual Response," Management Science, forthcoming [Download].
Subsequently, you'll experience its implementation from a respondents' point of view. For any questions related to SADR or the survey platform DISE in general (see
http://www.dise-online.net/demo.aspx) just send an email to: christian.schlereth(at)whu.edu
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