Nada designs a study in which she has two control and two experimental groups. In the design, one control group and one experimental group receive a pretest each, while the other control group and experimental group do not. Nada's design is an example of a _____ design.

A) four-group pretest-posttest
B) Solomon four-group
C) two-group control
D) one-group control-one-group experimental

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Uchenna Emmanuel Madueke · Accepted Answer

Final Answer : B, Explanation :  Nada's design is an example of a Solomon four-group design, which includes two experimental and two control groups. One of each receives a pretest, while the other one does not. This allows for testing the effect of the pretest on the outcome variable and controlling for pre-existing differences between groups.

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