Samantha had one group of participants watch a violent hockey game and had the other group watch a nonviolent hockey game. She pretested participants on their levels of trait aggressiveness to make sure there were equal numbers of such people in both groups. She measured physiological arousal in response to the game. Samantha used a(n) ________ design and should analyze her data using a(n) __________ samples t test.
A) natural pairs; correlated
B) matched pairs; correlated
C) between-subjects; independent
D) matched pairs; independent

Question

Quizplus · Accepted Answer

Matched pairs designs are used when participants are matched on one or more characteristics, such as age, gender, or personality traits. In this case, participants were matched on their levels of trait aggressiveness. Correlated samples t-tests are used to analyze data from matched pairs designs.

Samantha Had One Group of Participants Watch a Violent Hockey