A researcher selects a sample of 24 college students and has them rate their liking for two advertisements aimed at improving the image of the college. The researcher finds that liking ratings significantly differed,
t = 2.900.
Use omega-squared to compute the proportion of variance for this result.
a. ?2 = 0.29
b. ?2 = 0.24
c. ?2 = 0.21
d. There is not enough information to answer this question.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.