A group of scientists suspects that certain dietary practices are partially responsible for different rates of hypertension among adults of different ethnic/racial groups.To test their hypothesis,the researchers examine data concerning the different population groups' hypertension rates and their past dietary practices.This research is a ________ study.
A)retrospective
B)case-control
C)prospective
D)hypothetical

Question

Quizplus · Accepted Answer

The Answer is A

A Group of Scientists Suspects That Certain Dietary Practices Are