A research study has a design with two groups receiving a pretest, one of which receives treatment and two groups who are not pretested, one of which receives treatment.This design is called a
A) counterbalanced design.
B) multiple group pretest-posttest design.
C) Solomon design.
D) 2 $\times$ 2 factorial design.

Question

Quizplus · Accepted Answer

The design described is known as the Solomon design, which includes two groups receiving a pretest (to assess equivalence), one of which receives treatment, and two groups who are not pretested, one of which receives treatment. This design allows for the assessment of the effect of pretesting on the outcome of the study, as well as the effect of the treatment itself.

A Research Study Has a Design with Two Groups Receiving ×\times×

A Research Study Has a Design with Two Groups Receiving $\times$