Doctoral Candidate Stella Sodapop Wanted to See Whether Caffeine Intake

Doctoral candidate Stella Sodapop wanted to see whether caffeine intake increased a subject's state of sexual arousal.She randomly assigned 100 high school seniors to either an experimental or control group.The experimental group drank a high caffeine soda,while the control group drank a caffeine-free soda.She then measured and compared arousal states for both groups.What type of design did Stella use?

A) Two-group post-test only
B) Pretest-post-test
C) Classical experimental
D) Static group comparison
E) Interrupted time series

Correct Answer:

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