Gessner and Healey administered questionnaires to samples of undergraduates. Among other things, the questionnaires contained a scale that measured attitudes toward interpersonal violence (higher scores indicate greater approval of interpersonal violence).

Test the results as reported here for sexual, racial, and social-class differences.

a.         

b.

c.

d. Summarize your results in terms of the significance and the direction of the differences. Which of these three factors seems to make the biggest difference in attitudes toward interpersonal violence?

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Sample 1 (Males) Sample 2 (Females) X, = 2.99 X = 2.29 S, = 0.91 N2 = 251 S; = 0.88 N, = 122