Researchers Responsible for the Study of the Genetic Factors on Divorce

Researchers responsible for the study of the genetic factors on divorce have been invited to share their research at a conference that you are attending. As you listen to their studies it is very important to remember that

A) most studies in this area are experiments that tell you very little about correlation.
B) most studies in this field are biases by conflict of interest.
C) correlational studies are the best source of information about what causes what.
D) correlational studies do not give you information about what causes what.