The Following Data Represent the Means for Each Treatment Condition

question 8

Multiple Choice

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 = 20
​
M = 40
​
B2
​
M = 20
​
M = 40

• 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 and an interaction but no main effect for factor B

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