Quasi-experimental designs are like true experiments, except:
A) They never have a control group.
B) They use multiple control groups.
C) They do not randomly assign subjects to groups.
D) They take measurements at more than one point in time.
E) They do not use pretests.

Question

Quizplus · Accepted Answer

Quasi-experimental designs do not randomly assign subjects to groups, unlike true experiments. This lack of random assignment makes it difficult to establish a cause-and-effect relationship between the independent variable and dependent variable.

Quasi-Experimental Designs Are Like True Experiments, Except