Posted by **Nickie ** on Sunday, February 10, 2013 at 1:43am.

Do you view a chocolate bar as delicious or as

fattening? Your attitude may depend on your gender.

In a study of American college students, Rozin, Bauer,

and Catanese (2003) examined the importance of food

as a source of pleasure versus concerns about food

associated with weight gain and health. The following

results are similar to those obtained in the study. The

scores are a measure of concern about the negative

aspects of eating.

Males Females

n 9 n 15

M 33 M 42

SS 740 SS 1240

a. Based on these results, is there a significant

difference between the attitudes for males and for

females? Use a two-tailed test with .05.

b. Compute r2, the percentage of variance accounted

for by the gender difference, to measure effect size

for this study.

c. Write a sentence demonstrating how the result of

the hypothesis test and the measure of effect size

would appear in a research report.

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