Chap10 - particular level of the other IV Ex Distraction while studying is bad for introverts however distraction does not bother extraverts

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    Complex Experimental  Designs
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    3 or More Levels of the IV Three amounts to find detect non-linear  relationships Ex: Low, medium, high fear Three or more groups to compare Ex: Exercise, meditation, therapy for stress  reduction
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    Factorial Designs 2 or more independent variables Simplest: 2 X 2 design: two independent variables  with two levels of each variable. One  dependent variable An expansion from doing two separate  experiments
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    Outcomes Main effect of first IV Main effect of second IV Interaction effect
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    Main Effect Did an independent variable have an  effect on the dependent variable? In a 2x2 design, there are two main  effects, one for each independent  variable
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    Interaction Does the effect of an IV depend on the 
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Unformatted text preview: particular level of the other IV? Ex: Distraction while studying is bad for introverts; however, distraction does not bother extraverts Interactions “It depends” statements Moderating variables A variable moderates the effect of an independent variable Example: Extraversion moderates the effect of distraction on performance Interaction Effect 68 70 72 74 76 78 80 82 84 I ntroverts Extraverts Low Distraction High Distraction Performance More Factorial Designs Variables can be either independent groups or repeated measures Three independent variables: Ex: 2 x 2 x 2 factorial design has 8 conditions Main effects, two-way interactions, three-way interaction...
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This note was uploaded on 10/08/2010 for the course PSY 3001w taught by Professor Stellmack during the Fall '10 term at Minnesota.

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Chap10 - particular level of the other IV Ex Distraction while studying is bad for introverts however distraction does not bother extraverts

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