Standardizing procedures, standardizing treatment settings, and limiting individual differences all have the effect of ____.
A) reducing variance between treatments
B) increasing variance within treatments
C) increasing variance between treatments
D) reducing variance within treatments

Question

Quizplus · Accepted Answer

Standardizing procedures, treatment settings, and limiting individual differences all have the effect of reducing variance within treatments. By making the treatment condition as consistent as possible, the differences between individuals within the treatment group are minimized, resulting in less variance within the treatment group.

Standardizing Procedures, Standardizing Treatment Settings, and Limiting Individual Differences All