In order to test the effectiveness of an intervention using an experiment, it is best to have __________.
A) interviews from people before the intervention
B) Interviews from people after the intervention
C) a randomly assigned control group
D) mandatory enforcement of the intervention

Question

Quizplus · Accepted Answer

A randomly assigned control group allows for comparison between the group receiving the intervention and the group not receiving the intervention, providing a more accurate assessment of the intervention's effectiveness. Pre and post-intervention interviews can also be useful in assessing changes in individual attitudes and behaviors. Mandatory enforcement of the intervention is not necessarily required for an experiment, but may be necessary in certain contexts for ethical or practical reasons.

In Order to Test the Effectiveness of an Intervention Using