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Cluster Randomized Solomon Four-Group Design

The cluster randomized Solomon four-group design combines cluster randomization — assigning intact groups such as schools, clinics, or communities to conditions — with the Solomon four-group structure that isolates the effect of pretesting. Four clusters (or sets of clusters) are created: two receive the treatment and two serve as controls, with only one treatment cluster and one control cluster receiving a pretest, while the others go straight to the posttest. This structure simultaneously controls for pretest sensitization and the logistical constraint that individual randomization is infeasible.

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Cluster Randomized Solomon Four-Group Experimental Design

Taxonomisk metodpost · process-pipeline / experimental-design

Solomon, R. L. (1949). An extension of control group design. Psychological Bulletin, 46(2), 137–150. · DOI 10.1037/h0062958
Murray, D. M. (1998). Design and Analysis of Group-Randomized Trials. Oxford University Press. · ISBN 978-0195100877

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Taxonomic bucketBlocked Solomon Four-Group Designmachine-suggested · Relational suggestion, not evidence.Taxonomic bucketCluster Randomized Controlled Trialmachine-suggested · Relational suggestion, not evidence.Taxonomic bucketFactorial Randomized Controlled Trialmachine-suggested · Relational suggestion, not evidence.Same method familyMultilevel Modelingmachine-suggested · Relational suggestion, not evidence.Taxonomic bucketPretest-Posttest Experimental Designmachine-suggested · Relational suggestion, not evidence.Taxonomic bucketSolomon Four-Group Designmachine-suggested · Relational suggestion, not evidence.