________occurs when members of a control group learn about the program being implemented in the treatment group and try to apply it to themselves.
A) Treatment diffusion
B) Local contamination
C) Resentful demoralization
D) Instrumentation change

Question

Quizplus · Accepted Answer

Treatment diffusion occurs when individuals in the control group learn about the interventions or treatments being given to the experimental group and attempt to mimic or access those interventions, potentially contaminating the study's results by reducing the differences between groups.

________Occurs When Members of a Control Group Learn About the Program