Stress, externality, and depression

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Abstract
Previous research has found mixed support for the possibility that locus of control moderates the effects of life stress on depression. Two methodological choices may have influenced previous findings: the use of a unidimensional rather than a multidimensional locus of control scale, and reliance on linear statistical methods using median splits. We attempted to correct these choices by using the Levenson IPC scale (1974) and multiple regression analyses in a female undergraduate population (N= 158). The results supported use of a multidimensional scale, since Stress, Internality, and Powerful Others were Found to have main effects on depression whereas Chance interacted with life stress. The question of whether locus of control refers to responsibility for causing an event, i.e., self‐blame, or belief in control over future events, i.e., coping behavior, was discussed.