Generally,epidemiological studies ________.
A)involve in-vitro experimentation
B)establish causation without observations
C)cannot determine cause-and-effect relationships
D)prove positive correlations

Question

Quizplus · Accepted Answer

Epidemiological studies can observe correlations and associations between variables, but they cannot definitively establish cause-and-effect relationships. Other types of studies, such as experimental studies, are needed for this purpose.

Generally,epidemiological Studies ________