Abstract
Individuals with high anxiety have a specific tendency to update beliefs based on the given information in ambiguous situations. However, it is unclear what aspect of information evaluation is specific in individuals with high anxiety. We explored the factor of these changes by applying the Bayesian update to the bead task. In the task, we presented two bins containing beads of two different colors in different proportions. Each time a bead was presented, they reported a subjective belief about the bin from which the beads were extracted. In the analysis, we assumed that the current confidence was obtained by adding the information of the current bead to the confidence at the previous time point. We then estimated whether individuals were more evaluated on the previous confidence or the current information. The results showed that individuals with high anxiety underestimated the information obtained from the current bead.
