Attention as a source of variability in decision-making: Accounting for overall-value effects with diffusion models
نویسندگان
چکیده
Research has demonstrated that value-based decisions depend on not only the relative value difference between options, but also their overall value. In particular, response times tend to decrease as (summed) of options increase. Standard sequential sampling models such diffusion model can account for this fact by assuming decision thresholds or noise vary with Alternatively, gaze-based incorporate eye-tracking data accommodate overall-value effect directly a consequence multiplicative relationship gaze and option We compare fit non-gaze simulated multiplicative-gaze model. The results show how parameters related will function value, even when there is no variability in generating process. empirical data, we find similar patterns where thresholds, noise, non-decision time seem Our reveal specific standard arise from latent process gaze-dependent evidence accumulation. • Response Gaze-based naturally produce these effects explain data. assess generated models, variable boundaries time. provide different explanations same phenomenon.
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since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...
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ژورنال
عنوان ژورنال: Journal of Mathematical Psychology
سال: 2021
ISSN: ['0022-2496', '1096-0880']
DOI: https://doi.org/10.1016/j.jmp.2021.102594