Dr. McGee plans to use a between-subjects design for examining specific phobias. Dr. McGee's study has three different phobia conditions. Dr. McGee would ideally need a minimum of _____ to attain appropriate statistical power for his study.

Question

Quizplus · Accepted Answer

In a between-subjects design, each participant is assigned to only one condition. For appropriate statistical power, it's common to aim for at least 30 participants per condition. Since Dr. McGee has three different phobia conditions, he would need a minimum of 90 participants in total (30 participants x 3 conditions = 90 participants).

Dr McGee Plans to Use a Between-Subjects Design for Examining