One of the limitations of epidemiologic studies is that the results cannot be interpreted as proving a(n) _____
A)association
B)positive correlation
C)negative correlation
D)relationship to be causal

Question

Quizplus · Accepted Answer

Epidemiologic studies can only show an association between two variables, but they cannot prove that the association is causal. Other factors may be responsible for the observed relationship. Further studies, such as experimental studies, are needed to establish causality.

One of the Limitations of Epidemiologic Studies Is That the Results