A research approach in which the experimenter cannot directly manipulate the IV but can only measure an IV because it is predetermined is known as a(n)
A) case study.
B) true experiment.
C) ex post facto research design.
D) participant observation.

Question

Quizplus · Accepted Answer

In an ex post facto research design, the independent variable is not manipulated by the researcher but is instead a pre-existing condition or characteristic, and the researcher observes its effects on the dependent variable.

A Research Approach in Which the Experimenter Cannot Directly Manipulate