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

Question

Quizplus · Accepted Answer

A prospective study follows a group of individuals over a period of time to observe and collect data on specific health outcomes. In this case, the scientists enrolled healthy adults and collected dietary and lifestyle information, and then followed them for 6 years to determine the relationship between fruit and vegetable consumption and high blood pressure. This type of study design allows researchers to establish a cause-and-effect relationship between variables.

Scientists Enroll 500 Healthy Adults in a Study and Collect