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

This preview shows pages 1–9. Sign up to view the full content.

Complex Experimental  Designs

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
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
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

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Outcomes Main effect of first IV Main effect of second IV Interaction effect
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

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Interaction Does the effect of an IV depend on the

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

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...
View Full Document

## This note was uploaded on 10/08/2010 for the course PSY 3001w taught by Professor Stellmack during the Fall '10 term at Minnesota.

### Page1 / 9

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

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online