Multiple Choice
A researcher studying the psychological effects of color measures the blood pressure of a sample of 16 subjects while sitting in an all blue room. She then moves them to an all yellow room and takes their blood pressure again. What type of test was employed?
A) z-test
B) one-sample t test
C) independent samples t test
D) repeated measures t test
Correct Answer:
Verified
Correct Answer:
Verified
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