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A-B design

A-B design An A-B design is a study approach used when a new policy or intervention is introduced and its effects are examined by comparing what happened before the change with what happened after it.

An A-B design is a study approach used when a new policy or intervention is introduced and its effects are examined by comparing what happened before the change with what happened after it. In the source context, it is presented as a practical option when randomization, delaying the intervention, or blinding are not ethically or legally feasible.

Sources

Drafting source: Simpson Alexander I F; Penney Stephanie R; Fernane Stephanie; Wilkie Treena. The impact of structured decision making on absconding by forensic psychiatric patients: results from an A-B design study. 2015; DOI 10.1186/s12888-015-0474-1; article XML SHA-256 cc24a0d8c4d7b04c82365426827cd235c8988855469f542e45b59594096eb64e. “The impact of structured decision making on absconding by forensic psychiatric patients: results from an A-B design study” (10.1186/s12888-015-0474-1).
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PsychTerms (psychterms.org), CC BY 4.0, version 2. “A-B design.” Development preview.

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A-B design

See also

Sources

Cite this entry