A major advantage of community trials is that they are able to:
A) control delivery of the intervention to many study units.
B) estimate directly the realistic impact of behavior change.
C) randomize subjects precisely to the study conditions.
D) All are correct.

Question

Quizplus · Accepted Answer

Community trials can estimate the realistic impact of behavior change as they are conducted in real-world settings, allowing for observation of the intervention's effects on a community level.

A Major Advantage of Community Trials Is That They Are