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

Question

Quizplus · Accepted Answer

This is a prospective study because it follows a group of individuals over time to observe outcomes, such as the development of cancer, based on their exposure to a potential risk factor (in this case, lack of exercise).

Does Regular Exercise Decrease the Risk of Cancer? a Researcher