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	Blokový dizajn s viacerými základnými líniami	Dizajn ABAB
Odbor	Plánovanie experimentov	Plánovanie experimentov
Rodina	Process / pipeline	Process / pipeline
Rok vzniku	1968 (multiple baseline foundation); blocking variant codified 1980s–1990s	1960s (Sidman 1960; Baer et al. 1968)
Tvorca	Baer, Wolf & Risley (multiple baseline); blocking extension developed in applied behavior analysis literature	Murray Sidman; Baer, Wolf & Risley (applied behavior analysis formalization)
Typ	Single-subject experimental design with blocking	Single-subject experimental design
Pôvodný zdroj	Cooper, J. O., Heron, T. E., & Heward, W. L. (2020). Applied Behavior Analysis (3rd ed.). Pearson. ISBN: 978-0134752556	Sidman, M. (1960). Tactics of Scientific Research: Evaluating Experimental Data in Psychology. Basic Books.
Ďalšie názvy	blocked MBD, blocked multiple-baseline, blocked multiple baseline across subjects, blocked SSED multiple baseline	reversal design, withdrawal design, ABAB reversal, operant reversal design
Príbuzné	3	4
Zhrnutie	A blocked multiple baseline design is a single-subject experimental approach that combines the logic of the multiple baseline design with blocking — the systematic grouping of participants, behaviors, or settings into matched sets — to reduce extraneous variability and strengthen causal inference. The intervention is introduced in a staggered sequence across baselines within each block, demonstrating experimental control through replication within and across blocks.	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.