Among the advantages of descriptive/correlational research is (are): A. it can often be used in circumstances in which an experiment would be unethical or impossible. B. it permits researchers to...

Among the advantages of descriptive/correlational research is (are):

A. it can often be used in circumstances in which an experiment would be unethical or impossible.

B. it permits researchers to examine subjects’ behavior in natural, real-world circumstances.

C. it can demonstrate conclusively that two variables are causally related.

D. both a and b