Justine decides to test the effects of playing violent video games on aggressiveness in 10-year old boys. She decides to have all boys play the three different types of video games in a randomized counterbalanced order. The levels of the within-subjects independent variable are violent, exciting but not violent, and neither exciting nor violent. After playing each video game each child takes a test designed to measure their level of aggression. What is the appropriate type of statistical test for Justine to use?
A) one-way analysis of variance
B) two-way analysis of variance
C) one-way repeated measures analysis of variance
D) two-way mixed model analysis of variance

Question

Quizplus · Accepted Answer

Justine is using a within-subjects design where each participant is exposed to all levels of the independent variable (types of video games), making a one-way repeated measures analysis of variance (ANOVA) the appropriate statistical test to analyze the differences in aggression levels after playing each type of video game.

Justine Decides to Test the Effects of Playing Violent Video