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Del Greco, Linda; And Others – Adolescence, 1986
Examined the reliability of the 30-item Modified Rathus Assertiveness Schedule (MRAS) using the test-retest method over a three-week period. The MRAS yielded correlations of .74 using the Pearson product and Spearman Brown correlation coefficient. Correlations for males yielded .77 and .72. For females correlations for both tests were .72.…
Descriptors: Adolescents, Assertiveness, Correlation, Sex Differences