A researcher identified 100 men over forty who were notexercising and another 10

Question

A researcher identified 100 men over forty who were notexercising and another 100 men over forty with similar medicalhistories who were exercising regularly. She followed the menfor several years to see if there was a difference between thegroups in the rate of heart attacks. This is a a) randomized experiment b)prospective study c)survey d)matched pairs experiment e)retrospective study A researcher identified 100 men over forty who were notexercising and another 100 men over forty with similar medicalhistories who were exercising regularly. She followed the menfor several years to see if there was a difference between thegroups in the rate of heart attacks. This is a a) randomized experiment b)prospective study c)survey d)matched pairs experiment e)retrospective study

Explanation / Answer

This is a prospective study. Because we are observing a group of similar individuals whodiffer in exercising factor. A prospective cohort study is a cohort studythat follows over time a group of similar individuals who differwith respect to certain factors under study, in order to determinehow these factors affect rates of a certain outcome.

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