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

Question

Quizplus · Accepted Answer

Novelty effects occur when participants' performance changes due to the excitement or interest in a new intervention, rather than the intervention itself.

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