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# fact2 - Name Date Due Factorial Designs Exercise II(40...

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Name _____________________________________ Assignment (circle, as instructed): Date Due __________________________________ Problems 1 2 3 4 5 6 ALL Factorial Designs Exercise II (40 points) Instructions: For each experimental design and results, answer the questions about main effects and interactions as indicated. Design 1 (6 points) Note: Use the “eyeball method” to answer these questions. Is there a main effect of IVA? ________ Overall group means: ________ A1 ________ A2 Is there a main effect of IVB? ________ Overall group means: ________ B1 ________ B2 Is there an A x B interaction? ________ How do you know? IVb B 1 B 2 A 1 4 6 IVa A 2 3 8

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Factorial Designs II (continued) Design 2 (6 points) Is there a main effect of IVA? ________ Overall group means: ________ A1 ________ A2 ________ A3 Is there a main effect of IVB? ________ Overall group means: ________ B1 ________ B2 ________ B3 Is there an A x B interaction? ________ Describe these differences in words: IVA A1 A2 A3 B1 5 6 6 IVB B2 6 7 8 B3 7 10 15
Factorial Designs II (continued) Design 3 (5 points) A researcher studied the influence of a woman’s attractiveness and intelligence on her dating desirability. Male participants read a “dating profile” accompanied by a photo of an attractive or average-looking young woman; a no photo condition also was used. Intelligence was manipulated by reporting her college GPA as 3.8 or 2.5. Participants then rated the likelihood the woman would be asked out by most men on a

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