Professor Q has designed a repeated measures experiment. Which information does he NOT need when looking up the power of his planned study in a power table?
A) whether a one- or two-tailed test will be computed
B) number of difference scores
C) estimated population variance of difference scores
D) effect size
C
Psychology
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Pedro designs an experiment to test whether drinking a protein shake after weightlifting increases muscle development. The independent variable in his experiment is the protein shake
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