Concealing the observer behind a two-way mirror or using hidden cameras can be used to minimize
A)the observer effect.
B)observer bias.
C)the placebo effect.
D)courtesy bias.

Question

Quizplus · Accepted Answer

Concealing the observer behind a two-way mirror or using hidden cameras can help minimize the observer effect, which is the tendency for people to modify their behavior when they are aware that they are being observed. This method allows for more natural behavior to be observed without the influence of the observer's presence. The other options are not directly related to the use of hidden cameras or two-way mirrors.

Concealing the Observer Behind a Two-Way Mirror or Using Hidden