The main difference between the experimental and ex post facto methods of research is the
A) time span of study.
B) setting of the research.
C) manipulation of the independent variable.
D) statistical design of the study.

Question

Quizplus · Accepted Answer

The main difference between experimental and ex post facto methods of research is the manipulation of the independent variable. Experimental research involves manipulating the independent variable and measuring the effect on the dependent variable, while ex post facto research involves observing the impact of an independent variable that cannot be manipulated. The time span of study, setting of the research, and statistical design of the study can be similar for both methods.

The Main Difference Between the Experimental and Ex Post Facto