3600pp10 - Interaction Effect: Effect of one variable on...

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Chapter 10: Complex Experimental Designs Increasing the Levels of the IV 2 Levels of an IV = linear relationships Factorial Designs 2 x 2 is the simplest factorial design 2 x 3 2 x 3 x 4 2 x 2 x 2 x2 Why increase the number of IV’s? 1. One IV provides less information 2. Uncover new relationships 3. Allows IVs to interact Two IV’s with 2 levels each (minimum) How does sex of a mugging victim and how they are dressed affect their evaluations? Victim Sex x Dress Two IV’s with 2 levels each (IV x SV) Main Effect: Effect of one variable averaged over the levels of the other IV
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Unformatted text preview: Interaction Effect: Effect of one variable on the DV at each level of the other IV Interaction Effects: “It Depends” IV x PV Designs Manipulated and Nonmanipulated variables PV = Subject variables Age, sex, etc. Assignment Procedures Independent Groups Design Repeated Measures Design Mixed Design S1 S4 S2 S5 S3 S6 S7 S10 S8 S11 S9 S12 S13 S16 S14 S17 S15 S18 S19 S22 S20 S23 S21 S24 S1 S4 S2 S5 S3 S6 S1 S4 S2 S5 S3 S6 S1 S4 S2 S5 S3 S6 S1 S4 S2 S5 S3 S6 S1 S4 S2 S5 S3 S6 S7 S10 S8 S11 S9 S12 S7 S10 S8 S11 S9 S12 S1 S4 S2 S5 S3 S6...
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This note was uploaded on 11/16/2011 for the course PSYCH 3600 taught by Professor Whatley during the Fall '11 term at Valdosta State University .

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3600pp10 - Interaction Effect: Effect of one variable on...

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