Scientists enroll 500 healthy adults in a study and collect dietary and other lifestyle information about the group.After 6 years,the scientists determine that study participants who ate at least 5 servings of fruits and vegetables daily were less likely to develop high blood pressure than participants who ate fewer than 5 servings of these foods daily.This study is an example of a(n)____ study.
A)prospective
B)retrospective
C)nutritive
D)introspective

Question

Quizplus · Accepted Answer

This is a prospective study because the scientists enrolled healthy adults at the beginning of the study and followed them over a period of 6 years to observe the development of high blood pressure in relation to their dietary and lifestyle habits.

Scientists Enroll 500 Healthy Adults in a Study and Collect