Copyright © Allyn & Bacon (2007) Factorial Designs Includes two or more independent variables Includes two or more independent variables Essentially two (or more) studies in one Essentially two (or more) studies in one By testing more than one independent variable at a time, we can look at the interactive effects of independent variables By testing more than one independent variable at a time, we can look at the interactive effects of independent variables Most independent variables in psychology interact with other independent variables Most independent variables in psychology interact with other independent variables
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