If your experimental treatment produces a permanent effect on your subjects,you should use:
A) a within-subjects design with counterbalancing
B) a within-subjects design without counterbalancing
C) a between-subjects design
D) a mixed design

Question

Quizplus · Accepted Answer

A between-subjects design is appropriate when an experimental treatment produces a permanent effect, as it involves different groups of subjects for each condition, thus avoiding the issues that arise from the same subjects experiencing all conditions, such as carryover effects.

If Your Experimental Treatment Produces a Permanent Effect on Your