Case Studies,naturalistic Observations,and Correlational Studies Are All Similar in That

Multiple Choice

Case studies,naturalistic observations,and correlational studies are all similar in that:

A) none of them need to be concerned with the problem of social desirability.
B) the experimenter has a high degree of control over the research setting.
C) none of them need to be concerned with the problem of reactivity.
D) they are all poorly suited for drawing cause-effect conclusions.