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	एबीए डिज़ाइन	एकल-विषय प्रायोगिक डिज़ाइन
क्षेत्र	प्रयोगात्मक अभिकल्प	प्रयोगात्मक अभिकल्प
परिवार	Process / pipeline	Process / pipeline
उद्भव वर्ष	1968	1960s (Sidman 1960; formal applied codification by Kazdin and Baer in 1970s–1980s)
प्रवर्तक	Montrose Wolf, Donald Baer, Todd Risley (applied behavior analysis tradition)	Murray Sidman (foundational tactics); B. F. Skinner (applied behavior analysis lineage)
प्रकार	Single-subject experimental design	Experimental research design
मौलिक स्रोत	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.	Kazdin, A. E. (1982). Single-Case Research Designs: Methods for Clinical and Applied Settings. Oxford University Press. ISBN: 978-0195030440
उपनाम	reversal design, withdrawal design, ABA withdrawal design	SSED, single-case experimental design, n-of-1 design, intrasubject replication design
संबंधित	4	6
सारांश	The ABA design is a single-subject experimental design that demonstrates experimental control through three sequential phases: a baseline phase (A1), an intervention phase (B), and a return-to-baseline withdrawal phase (A2). By removing the intervention in the final phase and observing whether behavior reverts toward baseline levels, researchers establish a functional relationship between the treatment and the target behavior for an individual participant.	Single-subject experimental design (SSED) establishes experimental control by repeatedly measuring one individual (or a small number of individuals) across baseline and intervention phases, using the participant as their own control. Instead of comparing groups, it compares the participant's own behavior across conditions over time. Widely used in applied behavior analysis, special education, rehabilitation, and clinical psychology, SSED allows causal inference from small or unique samples where group designs are impractical.