Use of a volunteer sample is generally to be avoided because:
A) volunteers are hard to get
B) they are unlikely to be representative of the intended population
C) they are difficult to stratify
D) replication is difficult

Question

Quizplus · Accepted Answer

Volunteer samples often lead to biased results because individuals who volunteer might have different characteristics, attitudes, or behaviors than those who do not volunteer, making the sample less representative of the general population.

Use of a Volunteer Sample Is Generally to Be Avoided