Effects of personality traits and mood induction on metamemory judgments and metacognitive beliefs.

Although the effects of mood and personality traits on memory performance have previously been studied, their relationship to the metamemory and metacognitive processes is still unknown. In this study, we investigated the effects of mood induction (positive and negative) and personality traits (extroverted and neurotics) on metacognitive beliefs, memory confidence, the judgment of learning (JOL) and feeling of knowing (FOK) judgments during face-name recognition tasks. One hundred twenty-seven participants who met the criteria based on their extraverted and neurotic personality scores on the Big Five Personality Inventory were randomly assigned to positive and negative mood induction conditions. We found that neurotics showed lower JOL judgments and accuracy than extroverts. The interaction effect between mood and personality significantly affected JOL and FOK accuracy, indicating that while extraverts were more accurate during positive induction, neurotics were more accurate during negative induction. In addition, neurotics were underconfident in their memory and reported more negative metacognitive beliefs than extroverts. We concluded that memory and metamemory processes are distinguishable in their relationships with mood states and personality traits. Our data also showed that JOL and FOK are distinct processes that support domain-specific metacognitive judgments.