Shrauger (1972) conducted an experiment that compared the effect of an audience

Question

Shrauger (1972) conducted an experiment that compared the effect of an audience on the performance of participants with high and low self-esteem. Hypothetical data from this experiment are as follows. The data represents the number of errors made by each participant (6 participants in each condition): Alone With audience Self-esteem High 3, 6, 2, 2, 4, 7 9, 4, 5, 8, 4, 6 Low 7, 7, 2, 6, 8, 6 10, 14, 11, 15, 11, 11

(Using SPSS) Is there

1) a main effect of self-esteem,

2) a main effect of alone/audience, and

3) an interaction between the two?

Explanation / Answer

Answer:-

1) a main effect of self-esteem,

Alpha= .05, and report an effect size for each effect when it's appropriate

2) a main effect of alone/audience,

two-way dependent-samples ANOVA,

3) an interaction between the two?

effect size = partial omega squared

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