Volunteer bias refers to:
A) the differences between volunteers and the general population that affect external validity.
B) the bias on the part of volunteers toward serving as participants.
C) the bias experimenters have against using volunteer participants.
D) a greater willingness to use volunteer as opposed to nonvolunteer participants.

Question

Quizplus · Accepted Answer

Volunteer bias refers to the differences between those who choose to participate in a study and those who do not, which can affect the generalizability or external validity of the study's findings.

Volunteer Bias Refers To