A researcher ________ manipulate an independent variable in ex post facto research; therefore, we ______ draw cause-and-effect conclusions.
A) does; can
B) does not; can
C) does; cannot
D) does not; cannot

Question

Quizplus · Accepted Answer

In ex post facto research, the researcher does not manipulate the independent variable; instead, they study variables that have already occurred. Therefore, cause-and-effect conclusions cannot be drawn.

A Researcher ________ Manipulate an Independent Variable in Ex Post