Scientists in a Central American country are studying factors that may be associated with delayed physical growth among a group of low-income children.The children live in a region of the nation that has high levels of lead in drinking water.This study is an example of a(an)____ study.
A)conventional
B)uncontrollable
C)introspective
D)epidemiological

Question

Quizplus · Accepted Answer

This study is looking at the relationship between environmental factors (high levels of lead in drinking water) and health outcomes (delayed physical growth). An epidemiological study is a type of study that looks at the distribution and determinants of health and disease in specific populations.

Scientists in a Central American Country Are Studying Factors That