Relationships Between Intellectual Control Beliefs and Psychometric Intelligence in Adulthood

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Abstract
This longitudinal study examined perceived control of intelligence and its relationship with intellectual performance. A large sample (ages 43–84) was administered the short form of lachman's PIC and psychometric tests of eight intellectual abilities in both 1985 and 1987. There were significant cross-sectional age differences in the three scales: internal (INT), powerful others (POW), and chance (CHA). The three scales correlated with all intellectual abilities, with relationships being largest for POW. The PIC scales showed lower test-retest correlations than the intelligence tests. Individual differences in change in POW and CHA were also correlated with prior levels of psychometric intelligence, and path analyses suggested a small but significant prediction of change in pow by prior levels of intelligence

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