59. An epidemiologist conducts a study comparing the prevalence of obesity in different countries. What critical limitation of ecological studies should be considered when interpreting these findings?
A.
They are expensive.
B.
They cannot establish individual-level associations due to the ecological fallacy.
✓
C.
They are always biased.
D.
They only measure incidence.
📖 Additional Information
They are expensive.
They cannot establish individual-level associations due to the ecological fallacy.
