The Research Experiment Is Superior to the Ex Post Facto

Multiple Choice

The research experiment is superior to the ex post facto research design when the researcher:

A) Must avoid influencing the variables under study and therefore avoid biasing the results.
B) Needs to cause variables to be changed or held constant in keeping with specified research objectives.
C) Is limited to hold all factors constant by selection of subjects according to strict sampling procedures and statistical manipulation of findings.
D) Decides to use the design more common to research in the social sciences and business.