EDUCATION UGC NET
PSYCHOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Pre-experimental design
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True-experimental design
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Quasi-experimental design
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Factorial design
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Detailed explanation-1: -Comparing the Solomon Four-Group Design to the Posttest-Only Design. The Solomon four-group design is considered by Campbell and Stanley to be one of only three true experimental designs. Another true experimental design is the posttest-only control group design.
Detailed explanation-2: -The Solomon four group test is a standard pretest-posttest two-group design and the posttest only control design. The various combinations of tested and untested groups with treatment and control groups allows the researcher to ensure that confounding variables and extraneous factors have not influenced the results.
Detailed explanation-3: -In the Solomon four-group design, the researcher uses four groups. Two groups are treated as they would be in a classic experiment-pretest, experimental group intervention, and post-test. The other two groups do not receive the pretest, though one receives the intervention.