Multiple Choice
A study is conducted to see if a daily exercise intervention affects blood pressure among people with pre-hypertension. One hundred participants are recruited to participate, and half are randomly assigned to participate in the intervention while the others serve as a control group. What study design is being used?
A) epidemiological study
B) randomized controlled trial
C) animal experiment
D) placebo study
E) None of these.
Correct Answer:
Verified
Correct Answer:
Verified
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