While relevant literature in the field of personality suggests the presence of a positive relationship between Rokeach's (1960) dogmatic belief system and Rotter's (1966) external locus of control, the effect of sex differences on that relationship has yet to be determined. Studies by Clouser and Hjelle (1970) and Everly, Coronett, and Strouse' suggest that there is a positive correlational relationship between these two personality variables, yet neither study examines the effect of sex in the re!ationship. The notion that sex may, indeed, affect the suggested relationship may be inferred from the theoretical foundations of both of these personality variables. Rokeach suggests that dogmatism may be considered as the composite structure of defenses against anxiety. Similarly, Rotter suggests that high externality may be viewed as a defensive structure that seems to occur in male college students more than in female college students. Therefore, there appears to be at least theoretical support for the hypothesis that a stronger positive correlational relationship exists between dogmatism and externality for college males than for females. The random sample included 144 male and 175 female college students at the University of Maryland, College Park, Md. Each of the students was given the I-E scale and the Dogmatism Scale (Form E), in a random order. Males artained a mean of 12.8 and a SD of 3.9 for externality, while the females' mean was 10.6 and the SD 5.0 for that scale. A mean of 11.6 and SD of 4.7 was in evidence for all Ss. For the dogmatism scale, males demonstrated a mean of 3.5 and SD of .75, while females had a mean of 3.1 and SD of .71. The dogmatism mean and SD for all Ss were 3.3 and .75, respectively. Pearson product-moment correlations between scores on these scales were positive, as predicted, for both samples (males, fi < ,001, one-tailed; females, fi < .OOl, one-tailed). However, for males r was .74, which accounted for 54% of the common variation. For the women r was .29, accounting for only 8% of the variation. Therefore, as predicted, the 7 for males was stronger between dogmatism and externality than for females. Perhaps prior srudies need re-examining to take this finding into consideration.
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