Author Question: The following data represent the means for each treatment condition in a two-factor experiment. What ... (Read 39 times)

EY67 · **on:** Jun 19, 2018

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

Question 2

The statistical phenomenon that falsely makes it appear that your group changed to be more like the overall population between the pretest and posttest is referred to as _______________ to the mean.

Fill in the blank(s) with correct word