For practical reasons, many psychological experiments on humans
A) Draw their subjects from introductory psychology courses
B) Are truly randomly selected
C) Are not approved by the IRB
D) Require approval of college department chairs

Question

Quizplus · Accepted Answer

Many psychological experiments on humans draw their subjects from introductory psychology courses because they provide a convenient pool of volunteers who are often willing to participate for course credit.

For Practical Reasons, Many Psychological Experiments on Humans