Choice probabilities and response times of binary preferential choices
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Publication year
2001Author(s)
Joosen, Maarten Willem
Publisher
[S.l. : s.n.]
ISBN
9090150641
Number of pages
II, 155 p.
Publication type
Dissertation
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Subject
Keuzegedrag; Reactietijd; oordelen, beslissenAbstract
This PhD thesis investigates human choice behavior. We describe several experiments in which we offer the subject a referential stimulus and later two other stimuli that differ in several aspects from each other and the reference. The subject has to decide which of two alternatives resembles the reference the most. The choice and the amount of time needed to decide are recorded. There exist several choice models describing human choice behavior such as the fast race model, general horse race models, accumulator models and random walk models, e.g., the Wiener process, the Ornstein/Uhlenbeck model (decision field theory) and Ratcliff's diffusion model. The models predict both choice probabilities and response times. The models are unified to enable a comparison of the predictions of the models with the experimental data. One way of analyzing the data is by focusing on series of alternatives where the features have a specific structure. This structure leads for the models to different ordinal predictions for the series of alternatives. This is one way of differentiating between models. Another approach is by estimating the parameters of the models and compare the goodness of fit between the models. One of the results in this thesis is that the diffusion model is the most appropriate using either of the approaches. Another result is that further refinements on this model do not seem to lead to improved results
This item appears in the following Collection(s)
- Academic publications [238586]
- Dissertations [13460]
- Electronic publications [122870]
- Open Access publications [97851]
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