A researcher intervenes in the diet of one community and not in another and over time looks at the difference in the rates of heart disease between the two communities.This is an example of a(n)_____ study.

Question

Quizplus · Accepted Answer

The given scenario describes an experiment in which the diet of one community is intervened (independent variable) to measure its effect on the rates of heart disease (dependent variable) over time. Therefore, it is an experimental prospective study.

A Researcher Intervenes in the Diet of One Community and Not