An inactive substance,such as a sugar pill or a saline injection,that is given to subjects to make them think they've taken a drug is called a(n)
A) placebo.
B) extraneous variable.
C) dependent variable.
D) control drug.

Question

Quizplus · Accepted Answer

A placebo is an inactive substance that is given to subjects in order to test the effectiveness of a treatment or drug. This helps to control for the psychological and physical effects of receiving treatment, and to isolate the effects of the active ingredient being tested. The other choices are not accurate descriptions of a placebo in a research context.

An Inactive Substance,such as a Sugar Pill or a Saline