An interaction effect in a two-way factorial research design ______.
A. is the effect of one independent variable, ignoring the influence of other independent variables
B. occurs when the influence of one independent variable differs according to the level of another independent variable
C. almost never occurs when more than one independent variable is considered at a time
D. is rare in a well-designed study, and usually indicates some error in computation
Answer: B
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a. ?difficult memorization tasks b. ?well-practiced activities c. ?novel activities d. ?highly complex activities
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Answer the following statement true (T) or false (F)
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