Ecological Studies

Question 1

An epidemiological study that examines the relationship between exposure and disease with population-level rather than individual-level data

Answer 1

ecological study

Question 2

An association observed between variables on an aggregate level does not necessarily represent the association that exists at the individual level

Answer 2

ecological fallacy

Question 3

Study groups are usually identified by ____, ____, or a combination of the two

Answer 3

place, time