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Research Methods- factorial design practice

# Research Methods- factorial design practice - c 3 X 3 X 3 N...

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From Weiss and Leets, chapter 8 FACTORIAL DESIGN PRACTICE For each of the following factorial designs, indicate the number of factors (independent variables): a) 2 X 3= 2 b) 3 X 6 X 8 X 3 X 2= 5 c) 3 X 4= 2 d) 6 X 2 X 2= 3 e) 3 X 2 X 3= 3 f) 4 X 3 X 2 X 5= 4 For each of the following factorial designs, indicate the number of levels for the factor specified: g) 2 X 3 first factor= 2 h) 3 X 6 X 8 X 3 X 2 third factor= 8 i) 3 X 4 second factor= 4 j) 6 X 2 X 2 first factor= 6 k) 3 X 2 X 3 third factor= 3 l) 4 X 3 X 2 X 5 fourth factor= 5 For each of the following factorial designs, indicate the total number of experimental conditions (groups or cells) in the study: a) 4 X 3= 12 b) 2 X 2 X 2= 6 c) 2 X 3 X 4= 24 For each of the following designs, indicate the total number of subjects who participated in the study: a) 3 X 2 X 3 N = 5 subjects per condition= 90 b) 4 X 3 N = 16 subjects per condition= 192
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Unformatted text preview: c) 3 X 3 X 3 N = 20 subjects per condition= 180 Examining group differences for a single factor involves testing for a(n) (main or interaction) effect? Main Effect Examining group differences for the combination of two or more factors involves testing for a(n) (main or interaction) effect? Interaction Effect A corporation wishes to determine whether a face-to-face conference or a tele-conference is viewed as more satisfactory by their national versus international firms and by their management staff versus regular employees. Satisfaction is measured on a Likert-type scale from 1-7, with 1 indicating the least satisfaction and 7 indicating the most satisfaction. a) what type of factorial design is this? 2x2x2 b) How many possible main effects are there? 3 c) How many possible interaction effects are there? 3...
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