4. (10.07) At a local health club, a researcher samples 75 people whose primary

Question

4. (10.07) At a local health club, a researcher samples 75 people whose primary exercise is cardiovascular and 75 people whose primary exercise is strength training. The researchers objective is to assess the effect of type of exercise on cholesterol. Each subject reported to a clinic to have his or her cholesterol measured. The subjects were unaware of the purpose of the study, and the technician measuring the cholesterol was not aware of the subjects' type of exercise. This is eBook Oan observational study O an experiment, but not a double-blind experiment. a double-blind experiment. a matched pairs experiment.

Explanation / Answer

Correct answer option C

it is not an observational study we are not not drawing any inference from sample to the population

it is a double blind experiment, so we cant say that it is an experiment but not a double blind experiment

it is not a matched pair experiment because there are no pairs matched in the experiment.

It is double blind experiment because neither subjects nor technician were aware of purpose of study and subject;s type of exercise, so it is a double blind experiment.

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