Multiple Choice
Does regular exercise decrease the risk of cancer? A researcher finds 200 women over 50 who exercise regularly, pairs each with a woman who has a similar medical history but does not exercise, then follows the subjects for 10 years to see which group develops more cancer. This is a
A) retrospective study
B) matched experiment
C) survey
D) prospective study
E) randomized experiment
Correct Answer:
Verified
Correct Answer:
Verified
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