Сравнение методов

	Дизайн AB	Дизайн ABAB
Область	Планирование эксперимента	Планирование эксперимента
Семейство	Process / pipeline	Process / pipeline
Год появления	1960s	1960s (Sidman 1960; Baer et al. 1968)
Автор метода	Murray Sidman; Baer, Wolf & Risley	Murray Sidman; Baer, Wolf & Risley (applied behavior analysis formalization)
Тип	Single-subject experimental design	Single-subject experimental design
Основополагающий источник	Sidman, M. (1960). Tactics of Scientific Research: Evaluating Experimental Data in Psychology. Basic Books.	Sidman, M. (1960). Tactics of Scientific Research: Evaluating Experimental Data in Psychology. Basic Books.
Другие названия	baseline-intervention design, AB single-case design, AB phase design	reversal design, withdrawal design, ABAB reversal, operant reversal design
Связанные	4	4
Сводка	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.	The ABAB design is a single-subject experimental methodology that establishes causal control by repeatedly introducing and removing an intervention. A baseline phase (A) is followed by an intervention phase (B), then a return to baseline (A), and a second intervention phase (B), allowing the researcher to demonstrate that observed behavior changes are produced by the intervention rather than by coincidental factors.