Causal-Comparative Research Is Also Called Ex Post Facto Research Because

Multiple Choice

Causal-comparative research is also called ex post facto research because the investigator

A) studies relationships after they have happened.
B) studies only facts.
C) studies whole environments rather than facts.
D) actively manipulates the independent variable and studies its effect on the dependent variable.
E) actively manipulates the dependent variable and studies its effect on the independent variable.