Attempts to compensate the control group tends to
A) make an effective program look less effective than it is.
B) make an ineffective program look more effective than it is.
C) make a good program appear to have a negative impact.
D) nullify the effects of regression to the mean.

Question

Quizplus · Accepted Answer

Attempts to compensate the control group would involve giving them some kind of treatment or attention, which may produce positive effects even if the treatment itself is ineffective. This would make the control group appear to improve, making the difference between the control and treatment groups smaller and the treatment itself appear less effective than it actually is.

Attempts to Compensate the Control Group Tends to