The following data represent the means for each treatment condition in a two-factor experiment. What pattern of results is shown in the data? A1 A2 B1 M = 30 M = 20 B2 M = 40 M = 10

a. main effects for both factors and an interaction
b. main effects for both factors and no interaction
c. a main effect for factor A, no main effect for factor B, and no interaction
d. a main effect for factor A, no main effect for factor B, and no interaction

d

Psychology

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