Because a medical experiment makes use of volunteers ________________________ .
A)we can't draw causal conclusions
B)we are cautious about generalizing to people not like our volunteers
C)there are no difficulties because of the control group
D)there is no randomization used
E)All of these.

Question

Quizplus · Accepted Answer

Volunteers might not be representative of the general population, so findings from studies using volunteers may not generalize well to other groups. This caution is necessary because volunteers might have specific characteristics, interests, or motivations that differentiate them from those who do not volunteer.

Because a Medical Experiment Makes Use of Volunteers ________________________