Scientists Enroll 500 Healthy Adults in a Study and Collect

Multiple Choice

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) introspective
C) retrospective
D) nutritive