Which of the following is the wrong statement.
A). Causal relationships may not relate to every individual
B). Complication approached exist for inferring causation
C). Randomized studies are not used to identify causation
D). All of these
Answer:C
Which of the following is the wrong statement.
A). Causal relationships may not relate to every individual B). Complication approached exist for inferring causation C). Randomized studies are not used to identify causation D). All of these