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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.

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okpalawalter8

The statement "A researcher intervenes in the diet of one community and not in another and over..." is an example of experiment. This is further explained below.

What is an experiment?

Generally, experiment is simply defined as discovery, hypothesis testing, or demonstrating an already-known truth by a scientific technique.

In conclusion, an example of an experiment is "intervened in the nutrition of one group and not another and over..."

Read more about experiment

https://brainly.com/question/11256472

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