Multiple Choice
Dr. Xiong conducts a study examining whether people feel more motivated when music is playing versus when there is silence. At first, his findings appear to indicate that those in the "music condition" do better. However, he learns that his research assistant encouraged the participants in the music condition but did not encourage those in the silent condition. Now, Dr. Xiong doesn't know whether the better performance was due to the music or the encouragement. Dr. Xiong's study has poor:
A) external validity.
B) extraneous validity.
C) content validity.
D) internal validity.
Correct Answer:
Verified
Correct Answer:
Verified
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