Which of the following cannot be obtained from observational studies?
A)Definitive evidence of a causal connection.
B)A reasonable explanation for a causal connection.
C)Any evidence of a causal connection.
D)Definitive evidence of a correlation.

Question

Quizplus · Accepted Answer

Observational studies can show evidence of correlation, but cannot definitively prove causality. Other factors, such as confounding variables, may be influencing the relationship between the two variables being studied.

Which of the Following Cannot Be Obtained from Observational Studies