In study described in the previous item, confidence in program effectiveness would be highest if a control group, which also started with a pretest score of 80, had a posttest score of
A)80
B)70
C)90
D)75

Question

Quizplus · Accepted Answer

If the control group maintained the same score of 80, it suggests that any change in the experimental group can be attributed to the program, increasing confidence in its effectiveness.

In Study Described in the Previous Item, Confidence in Program