Which of the following experimental designs could also be considered a factorial design?
A) pretest-posttest control group design
B) posttest-only control group design
C) Solomon four-group design
D) A and B only
E) all of the above
F) none of the above

Question

Quizplus · Accepted Answer

The Solomon four-group design is a factorial design as it involves two independent variables (e.g. treatment and pretesting) and their interactions. The other designs listed are not factorial designs as they involve only one independent variable.

Which of the Following Experimental Designs Could Also Be Considered