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2. In a classic research study, Shrauger (1972) examined the effect of an audience on the performance of two different personality types. They recruited 4 groups of participants and measured errors made by each participant during their performance. Results were shown in the summary table. (22 points) Control (Alone) Audience High Self-Esteem n=6 n=6 M=4 M=6 SS=22 SS=22 Low Self-Esteem n=6 n=6 M=7 M=13 SS=22 SS=20 a. Fill in all missing values in the table. (10 points) Source SS MS F P Between Treatment Self-esteem Audience 150 InteractionSelf-Esteem x Audience 24 Within Treatment (Error) Total 356 b. Evaluate main effects and the interaction with a=0.05. (Hint: follow the 4 steps of hypothesis testing to answer this question.) (9 points) c. Compute n' (the percentage of variance accounted for) for each of the main effects and for the interaction. (6 points)