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The Solomon four-group design is a type of experiment where participants get randomly assigned to either 1 of 4 groups that differ in whether the participants receive the treatment or not, and whether the outcome of interest is measured once or twice in each group.
The Solomon four group design is one of the benchmarks for sociological and educational research, and combats most of the internal and external validity issues apparent in lesser designs.
The Solomon four-group design is a research method developed by Richard Solomon in 1949. It is sometimes used in social science, psychology and medicine. It can be used if there are concerns that the treatment might be sensitized by the pre-test.
Solomon Four-Group design is intended to test for whether repeated testing causes issues in the experiment. Here's how.
Feb 26, 2018 · The Solomon four-group design, developed by Richard Solomon in 1949, was devised to. overcome the problem of pretest sensitization. Pretest sensitization occurs when participants’. scores...
Jul 1, 1988 · We used Solomon's four-group experimental design to assess the plausibility of pretest sensitization effects, that is, to control whether the mere act of taking a pre-test influenced...
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.
gn typically referred to today as the Solomon four-group design (Solomon, 1949). Campbell and Stanley (1963) discussed this design as one of three one-treatment con-dition experimental...
Why Isn't Every Experiment a Solomon Four Group Design? The Solomon four group design [3] is one of the benchmarks for sociological and educational research, and combats most of the internal [4] and external [5] validity issues apparent in lesser designs.
This variation is known as a Solomon 4-Group Design. As the name indicates, there are four groups. Two are experimental groups and two are control groups. One experimental group and one control will have a pretest and posttest and the remaining groups will not be pretested.
