Dr. Dupuis has been conducting the same study for multiple years in a row, but never seems to yield enough power to make any predictions based on the study results. Dr. Dupuis has seven experimental conditions based on treatment modalities for personality disorders. What is the total minimum number of participants Dr. Dupuis would need in order to yield adequate power?
A) 180
B) 210
C) 360
D) 420

Question

Quizplus · Accepted Answer

To achieve adequate power in a study with multiple experimental conditions, a common rule of thumb is to have at least 30 participants per group. With seven experimental conditions, Dr. Dupuis would need at least 30 participants per condition, resulting in a total minimum of 210 participants (30 participants x 7 conditions = 210).

Dr Dupuis Has Been Conducting the Same Study for Multiple