In a patched-up quasi-experimental design, researchers
A) choose two existing groups of people, one of which is randomly assigned to the experimental group and the other to the control group.
B) observe a dependent variable over extended periods of time both before and after a treatment is instituted to detect changes associated with the treatment.
C) select a control group after data have been collected to control for holes in the internal validity of a natural or quasi-experiment
D) add a pretest to determine whether there are preexisting differences between the experimental and the control group.

Question

Quizplus · Accepted Answer

In a patched-up quasi-experimental design, researchers select a control group after data have been collected to address and control for potential threats to the internal validity of a natural or quasi-experiment. This approach helps in compensating for the lack of random assignment and other methodological issues.

In a Patched-Up Quasi-Experimental Design, Researchers