Justine conducted an analysis of variance test to determine if children playing video games were more aggressive than those who played either a racing game or a word game. The results of her test are as follows: F2, 47) = 14.80, p = .02. What can you conclude from these findings?
A) her results were not significant
B) her overall result was statistically significant
C) she should conduct post-hoc tests
D) both 'b' and 'c' are true

Question

Quizplus · Accepted Answer

The F statistic (14.80) with a p-value of .02 indicates that the overall result was statistically significant (p < .05), suggesting differences in aggression levels among the groups. Given the significant overall F-test, post-hoc tests are recommended to determine which specific groups differ from each other.

Justine Conducted an Analysis of Variance Test to Determine If