When doing experimental research, if the sample groups are not formed on the basis of the subjects' having been randomly assigned, then, of the following, which design could be used?
A) post facto.
B) correlational.
C) path analytical.
D) quasi experimental.

Question

Quizplus · Accepted Answer

A quasi experimental design could be used when the sample groups are not formed on the basis of random assignment. This type of design involves comparing groups that naturally differ on a variable of interest, rather than manipulating the variable and randomly assigning participants to groups.

When Doing Experimental Research, If the Sample Groups Are Not