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دسته بندی:
حسابداری و حسابرسی - accounting and auditing
سال انتشار:
2021
عنوان انگلیسی مقاله:
Attention as a source of variability in decision-making: Accounting for overall-value effects with diffusion models
ترجمه فارسی عنوان مقاله:
توجه به عنوان منبع تغییرپذیری در تصمیم گیری: حسابداری اثرات ارزش کلی با مدل های انتشار
منبع:
ScienceDirect- Elsevier- Journal of Mathematical Psychology, 105 (2021) 102594: doi:10:1016/j:jmp:2021:102594
نویسنده:
Blair R.K. Shevlin a, Ian Krajbich a,b,∗
چکیده انگلیسی:
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 the
overall (summed) value of the options increase. Standard sequential sampling models such as the
diffusion model can account for this fact by assuming that decision thresholds or noise vary with
overall value. Alternatively, gaze-based models that incorporate eye-tracking data can accommodate
this overall-value effect directly as a consequence of the multiplicative relationship between gaze and
option value. We compare the fit of non-gaze diffusion models to data simulated with a multiplicativegaze model. The results show how parameters related to decision thresholds or noise will vary as a
function of overall value, even when there is no such variability in the data generating process. In
empirical data, we find similar patterns where decision thresholds, noise, or non-decision time seem to
vary with overall value. Our results reveal that specific patterns in standard diffusion model parameters
can arise from a latent process of gaze-dependent evidence accumulation.
keywords: توجه | انتشار رانش | ارزش کلی | زمان پاسخ | ردیابی چشم | تصمیم گیری | Attention | Drift diffusion | Overall value | Response time | Eye tracking | Decision making
قیمت: رایگان
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