Which of the following experimental designs not only controls all of the threats to internal validity but also allows the effects of history and maturation to be measured
A)the Solomon four group design
B)the posttest only control group design
C)the pretest posttest control group design with randomization
D)none of the experimental designs in the answers can do this

Question

Quizplus · Accepted Answer

The Solomon four group design is specifically structured to control for all threats to internal validity, including the effects of history and maturation, by using a combination of both experimental and control groups with and without pretesting. This design allows for the measurement and isolation of these effects, making it unique among experimental designs in this regard.

Which of the Following Experimental Designs Not Only Controls All