Locus of Control across the Adult Lifespan

Abstract
A relatively homogeneous sample of 655 college alumni was used to examine differences in locus of control as a function of age. The mean score on the Adult Nowicki-Strickland Internal-External Locus of Control Scale was significantly higher (more external) for those 65 yr. of age and older ( M = 8.61) than for the younger adults ( M = 7.14). Possible explanations for this apparent small increase in externality with age include physical and social changes which accompany aging. The decline in internality may not reflect an actual change in the degree of control of reinforcers but rather a more accurate or realistic assessment of the extent to which adults of all ages can actually control their lives.

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