14. Exploratory analysis (optional) 14.1. Correlation between metacognitive bias and clinical characteristics in schizophrenia The investigators will run exploratory Spearman rank-order correlation analyses between metacognitive bias (asymptotes of the regression line between metacognitive judgments and accuracy of the first order task) and several clinical variables (positive and disorganization scores for the PANSS, the total score for BIS, BCIS, and PSP).