In a single experiment, amount of reward and type of reward are simultaneously varied. Subjects are randomly assigned to one of three amount-of-reward conditions. Each subject is tested once with one type of reward and once with a second type of reward. What type of design does this study represent?
A) one variable within-subjects
B) one variable between-subjects
C) mixed factorial
D) within-subjects factorial design

Question

Quizplus · Accepted Answer

This study represents a mixed factorial design because it has both within-subjects and between-subjects factors. The amount-of-reward is a between-subjects factor as subjects are randomly assigned to one of three conditions, while the type of reward is a within-subjects factor as each subject is tested with two types of rewards.

In a Single Experiment, Amount of Reward and Type of Reward