Concept information
Preferred term
comparison group
Definition(s)
- In an experiment testing the effects of a treatment, a comparison group refers to a group of units (e.g., persons, classrooms) that receive either no TREATMENT or an alternative treatment. The purpose of a comparison group is to serve as a source of COUNTERFACTUAL causal inference. [Source: The SAGE Encyclopedia of Social Science Research Methods; Comparison Group]
Broader concept(s)
Belongs to group
URI
http://data.loterre.fr/ark:/67375/N9J-SPXJN7P8-W
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