Larry conducts an experiment with three groups: (1) writing about traumatic events, (2) writing about happy events, and (3) writing about neutral events. Larry then measures the number of visits each participant makes to the health center over the next six months. Larry gives the participants a pretest regarding their health visits prior to the study so that he can create sets of participants who are equivalent on that variable. Participants are randomly assigned to condition from each set. Larry has used _________ sets.
A) natural
B) independent
C) repeated measures
D) matched

Question

Quizplus · Accepted Answer

Larry has used matched sets because he created sets of participants who are equivalent on the variable of health visits prior to the study.

Larry Conducts an Experiment with Three Groups: (1) Writing About