Question: Social comparisons and prosocial behavior. To check that a manipulation of social comparison made in the study was effective, Yip and Kelly (2013) computed a one-way ANOVA and reported the following result for one such check: F(2, 120) = 6.42. Based on the information given, answer the following questions.
(a) How many groups were compared in this test?
(b) How many participants were observed in this study?
(c) Was the outcome of this test significant at a .05 level of significance?