In Order to Assess the Effects of Exercise on Reducing

question 46

Multiple Choice

In order to assess the effects of exercise on reducing cholesterol,a researcher sampled 50 people from a local gym who exercised regularly and 50 people from the surrounding community,who,it was assumed,did not exercise regularly.Each subject reported to a clinic to have their cholesterol measured.The subjects were unaware of the purpose of the study,and the technician measuring the cholesterol was not aware of whether the subjects exercised regularly or not.What type of study is this?

• A)An observational study that is a sample survey
• B)An observational study that is not a sample survey
• C)An experiment but not a double-blind experiment
• D)A double-blind experiment
• E)A matched pairs experiment

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