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	Jednostronnie zaślepiona procedura ABAB	Plan ABAB
Dziedzina	Planowanie eksperymentów	Planowanie eksperymentów
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1960s (ABAB logic); single-blind adaptation formalized in applied behavior analysis from 1970s onward	1960s (Sidman 1960; Baer et al. 1968)
Twórca	B. F. Skinner (reversal logic); blinding conventions adapted from clinical trial methodology	Murray Sidman; Baer, Wolf & Risley (applied behavior analysis formalization)
Typ	Single-case experimental design with partial blinding	Single-subject experimental design
Źródło pierwotne	Kazdin, A. E. (2011). Single-Case Research Designs: Methods for Clinical and Applied Settings (2nd ed.). Oxford University Press. ISBN: 978-0195341881	Sidman, M. (1960). Tactics of Scientific Research: Evaluating Experimental Data in Psychology. Basic Books.
Inne nazwy	single-blind reversal design, single-masked ABAB design, blinded single-case reversal design, single-blind withdrawal design	reversal design, withdrawal design, ABAB reversal, operant reversal design
Pokrewne	5	4
Podsumowanie	The single-blind ABAB design is a single-case experimental approach that sequences two baseline phases (A) and two intervention phases (B) to demonstrate experimental control over a target behavior, while keeping one party — typically the outcome assessor or the participant — unaware of current phase assignment. This blinding procedure reduces observer bias or demand characteristics, strengthening the internal validity of the reversal logic.	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.