手法を比較

	適応型ABデザイン	ABABデザイン
分野	実験計画法	実験計画法
系統	Process / pipeline	Process / pipeline
提唱年	1968 (AB foundation); 2000s (adaptive extensions)	1960s (Sidman 1960; Baer et al. 1968)
提唱者	Baer, Wolf & Risley (AB foundation); Kratochwill & Levin (adaptive single-case extensions)	Murray Sidman; Baer, Wolf & Risley (applied behavior analysis formalization)
種類	Single-subject experimental design with adaptive phase-change rules	Single-subject experimental design
原典	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.
別名	adaptive single-case AB design, data-driven AB design, adaptive baseline-intervention design, adaptive AB phase design	reversal design, withdrawal design, ABAB reversal, operant reversal design
関連	6	4
概要	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 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.