Samantha Had One Group of Participants Watch a Violent Hockey

Multiple Choice

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