Which of the Following Is the Primary Limitation of Using

Multiple Choice

Which of the following is the primary limitation of using correlational research methods?

A) ​They are most susceptible to the double-blind error effect.
B) ​They only use one research participant, which limits their generalizability.
C) ​They make it impossible to operationalize variables.
D) ​They do not allow for conclusions about cause-and-effect relationships.