Dr. Ito wanted to use a between-subjects design for examining food preferences for males only. He has four different conditions. How many participants would Dr. Ito need?

Question

Quizplus · Accepted Answer

Since there are four different conditions in a between-subjects design, Dr. Ito would need to have equal numbers of participants in each condition to ensure that any differences observed between conditions are not due to unequal participant numbers. Therefore, he would need 30 participants in each condition for a total of 120 male participants.

Dr Ito Wanted to Use a Between-Subjects Design for Examining