PSY230H5 Lecture Notes - Lecture 5: Meta-Analysis, Longitudinal Study, Personality Psychology
Document Summary
Stability of personality: meta analysis: meta-analysis: a meta-analysis combines results of several original studies, original studies: Assessed personality traits repeatedly over longer time intervals (at least one year apart: data in the meta-analysis: 3,217 correlation coefficients from 152 longitudinal studies of personality, people become more stable in their personalities. Why are retest correlations not r=1. 00: measurement error. Reduces correlations even if personality has not changed: variability. Temporary changes due to transient situational influences (e. g. , bad hair day): change. Stability and change of the big five: self-perception versus actual personality: requires a multi-method approach (self-ratings & informant ratings, 135 participants and their spouses rated personality twice (6 year retest interval). 212 participants who were children in the 1920s. 248 infants born in berkeley, ca, in the 1920s. Completed the california personality inventory (cpi) several times during adulthood. A meta analysis of longitudinal studies: data. Obtained information about mean levels of personality from 92 longitudinal studies.
