When people's performance changes because they are enthusiastic or energized by an intervention,the results of a study are likely affected by
A) diffusion of treatment.
B) treatment enthusiasm.
C) contamination.
D) novelty effects.

Question

Quizplus · Accepted Answer

When people's performance changes because they are enthusiastic or energized by an intervention, the results are likely affected by novelty effects. This refers to the phenomenon where the newness or uniqueness of an intervention causes a change in behavior or performance, not necessarily the intervention itself.

When People's Performance Changes Because They Are Enthusiastic or Energized