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	Adaptivt AB-design	AB-design
Ämnesområde	Försöksplanering	Försöksplanering
Familj	Process / pipeline	Process / pipeline
Ursprungsår	1968 (AB foundation); 2000s (adaptive extensions)	1960s
Upphovsperson	Baer, Wolf & Risley (AB foundation); Kratochwill & Levin (adaptive single-case extensions)	Murray Sidman; Baer, Wolf & Risley
Typ	Single-subject experimental design with adaptive phase-change rules	Single-subject experimental design
Ursprungskälla	Baer, D. M., Wolf, M. M., & Risley, T. R. (1968). Some current dimensions of applied behavior analysis. Journal of Applied Behavior Analysis, 1(1), 91-97.	Sidman, M. (1960). Tactics of Scientific Research: Evaluating Experimental Data in Psychology. Basic Books.
Alias	adaptive single-case AB design, data-driven AB design, adaptive baseline-intervention design, adaptive AB phase design	baseline-intervention design, AB single-case design, AB phase design
Närliggande	6	4
Sammanfattning	The adaptive AB design is a single-subject experimental design that retains the two-phase baseline-then-intervention structure of the classic AB design but replaces fixed session-count rules with pre-specified data-driven criteria — such as stability thresholds or trend benchmarks — that determine when to transition between phases. This adaptive logic allows the phase boundary to move in response to the individual participant's actual performance trajectory rather than a predetermined schedule.	The AB design is the simplest single-subject experimental design, consisting of two sequential phases: a baseline phase (A) in which the target behavior is observed under natural conditions without intervention, followed by an intervention phase (B) in which the treatment or manipulation is introduced. Changes in the behavior's level, trend, or variability between phases are used to infer the effect of the intervention on the individual participant.