Sometimes it is not possible to separate subjects from experimental and control groups and the result is that they may discuss the research.What is the threat that this situation poses?
A) causal time order
B) experimental mortality
C) diffusion or imitation of treatments
D) statistical regression

Question

Quizplus · Accepted Answer

When subjects from experimental and control groups discuss their experiences, they may "diffuse" or imitate treatment methods, essentially making the experiment less reliable. This is known as the "diffusion of treatments" threat.

Sometimes It Is Not Possible to Separate Subjects from Experimental