A high school population (N = 541) was administered the Rotter Locus of Control Scale in April and again the following November. At the second testing the MacDonald-Tseng and Rotter Internal-External Locus of Control Scales were given to examine their concurrent validity. Test-retest reliability of the Rotter Scale was determined. Concurrent validity between the Rotter and MacDonald-Tseng scale (as the criterion measure) was established.
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References
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MacDonald, A. P. and Tseng, M. S.Dimensions of internal versus external control revisited . Unpublished paper, West Virginia University, 1971.
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Rotter, J. B.The Internal-External Control Scale. Psychological Monographs, 1966, 80, (1 Whole N. 609).