Answer:
Option A "non equivalent control group design" is the correct answer
Explanation:
Review that when members in a between-subjects explore are haphazardly allocated to conditions, the subsequent gatherings are probably going to be very comparable. Truth be told, scientists believe them to be proportional. At the point when members are not haphazardly doled out to conditions, in any case, the subsequent gatherings are probably going to be divergent here and there. Therefore, specialists believe them to be nonequivalent.
A nonequivalent gatherings structure, at that point, is a between-subjects plan in which members have not been haphazardly relegated to conditions. There are a few sorts of nonequivalent gatherings plans we will consider.
