| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Takahashi, Taiki Oono, Hidemi Radford, Mark HB |
| Abstract | Background Probabilistic choice has been attracting attention in psychopharmacology and neuroeconomics. Several parametric models have been proposed for probabilistic choice; entropy model, Prelec's probability weight function, and hyperbola-like probability discounting functions. Methods In order to examine (i) fitness of the probabilistic models to behavioral data, (ii) relationships between the parameters and psychological processes, e.g., aversion to possible non-gain in each probabilistic choice and aversion to unpredictability, we estimated the parameters and AICc (Akaike Information Criterion with small sample correction) of the probabilistic choice models by assessing the points of subjective equality at seven probability values (95%–5%). We examined both fitness of the models parametrized by utilizing AICc, and the relationships between the model parameters and equation-free parameter of aversion to possible non-gain. Results Our results have shown that (i) the goodness of fitness for group data was [Entropy model>Prelec's function>General hyperbola>Simple hyperbola]; while Prelec's function best fitted individual data, (ii) aversion to possible non-gain and aversion to unpredictability are distinct psychological processes. Conclusion Entropy and Prelec models can be utilized in psychopharmacological and neuroeconomic studies of risky decision-making. |
| Related Links | https://behavioralandbrainfunctions.biomedcentral.com/counter/pdf/10.1186/1744-9081-3-20.pdf |
| Ending Page | 8 |
| Page Count | 8 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 17449081 |
| DOI | 10.1186/1744-9081-3-20 |
| Journal | Behavioral and Brain Functions |
| Issue Number | 1 |
| Volume Number | 3 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2007-04-20 |
| Access Restriction | Open |
| Subject Keyword | Neurosciences Neurology Behavioral Therapy Psychiatry Probabilistic Choice IOWA Gambling Task Ambiguity Aversion Entropy Model Probability Discount |
| Content Type | Text |
| Resource Type | Article |
| Subject | Behavioral Neuroscience Medicine Biological Psychiatry Cognitive Neuroscience |
| Journal Impact Factor | 4.7/2023 |
| 5-Year Journal Impact Factor | 4.1/2023 |
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