A Comparative validation of three measures of assertive behavior

Abstract

The primary objectives of this study were to provide concurrent validation for three self report measures of assertiveness (Conflict Resolution Inventory, Rathus Assertiveness Schedule, College Self-Expression Scale) and compare the scales' relative effectiveness in measurement. The CSES Behavioral Rating Form for Observers and the Behavioral Assertiveness Test-Revised served as validation criterion. Subjects (N = 160) were freshman students at Texas A&M University. All subjects completed the three self report scales. Two individuals, who knew the subject well, completed the CSES Behavioral Rating Form for Observers. A small group (n = 30), selected randomly from the total sample, were administered the Behavioral Assertiveness Test-Revised. Pearson product-moment and multiple correlation coefficients were used to investigate the relationship between the self report instruments and validation criterion. Multiple comparisons between the correlation coefficients were calculated to determine the relative effectiveness of self report instruments Sex differences on the measures were test using t-tests for equal and unequal variances. Results indicated that there was no relationship between the self report measure and the external rating, behavioral performance instrument, or the combined criteria. The multiple comparisons revealed some trends in regard to the scales; effectiveness. A few sex differences in performance were noted. Recommendations for future assertiveness assessment research were based on the results and the limitation of the study.