Journal
PSYCHOLOGICAL REVIEW
Volume 108, Issue 1, Pages 96-112Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/0033-295X.108.1.96
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Funding
- NATIONAL INSTITUTE OF MENTAL HEALTH [R01MH038357] Funding Source: NIH RePORTER
- NIMH NIH HHS [MH 38357] Funding Source: Medline
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Three mathematical models of choice-the contextual-choice model (R. Grace, 1994), delay-reduction theory (N. Squires & E. Fantino, 1971). and a new model called the hyperbolic value-added model-were compared in their ability to predict the results from a wide variety of experiments with animal subjects. When supplied with 2 or 3 free parameters, all 3 models made fairly accurate predictions for a large set of experiments that used concurrent-chain procedures. One advantage of the hyperbolic value-added model is that it is derived from a simpler model that makes accurate predictions for many experiments using discrete-trial adjusting-delay procedures. Some results favor the hyperbolic value-added model and delay-reduction theory over the contextual-choice model, but more data are needed from choice situations For which the models make distinctly different predictions.
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