Tony uses one-way mirrors in his study so that participants won't know that they are being watched. Tony is concerned about
A) reactive measures.
B) maturation.
C) history.
D) statistical regression.

Question

Quizplus · Accepted Answer

Tony is concerned about reactive measures, which occur when participants alter their behavior because they know they are being observed. Using one-way mirrors helps to minimize this effect.

Tony Uses One-Way Mirrors in His Study So That Participants