Study 1 - Does mental replay improve metacognitive sensitivity?

Metacognition refers to the capacity to introspectively evaluate and estimate one's own cognitive performance. Extensive research has underscored its critical role across diverse cognitive domains, including probability estimation, perceptual and memory-based decision-making, and adaptive behavior. Given its importance, notably in education, there is increasing interest in enhancing metacognitive sensitivity, which reflects the ability to accurately distinguish between correct and incorrect decisions (i.e., reporting confidence that aligns with objective accuracy). One promising strategy to improve metacognitive sensitivity involves encouraging individuals to recollect and reflect on the evidence underlying their decisions. For instance, in the context of visual perception tasks, prompting individuals to mentally "replay" the visual evidence retained in their perceptual system may sharpen their metacognitive judgments. The objective of this research is to test whether replaying visual information after making a decision can improve the precision of confidence judgments.