Below are answers to the chapter Test Yourself feature.

(1) c (2) d (3) c (4) d (5) b (6) a (7) b (8) a (9a) One-way within-subjects ANOVA (9b)  Null: The population mean for all groups (video, summary, neither) will be equal. (9c) F(2,18) = 6.24, p = .009 (9d)  We can reject the null hypothesis. (p < .05) (9e) The participants who start with the video condition and then go to the condition with a video or summary many think about that video a bit differently than those participants who started in the condition without the video or summary.