방법 비교

	파일럿 ABAB 설계	단일-피험자 실험 설계
분야	실험설계	실험설계
계열	Process / pipeline	Process / pipeline
기원 연도	1960s (ABAB base); pilot application codified c. 2000s	1960s (Sidman 1960; formal applied codification by Kazdin and Baer in 1970s–1980s)
창시자	Derived from ABAB reversal design (Sidman, 1960); pilot framing formalized in behavioral intervention feasibility literature (late 20th–early 21st century)	Murray Sidman (foundational tactics); B. F. Skinner (applied behavior analysis lineage)
유형	Single-subject experimental feasibility design	Experimental research design
원전	Byiers, B. J., Reichle, J., & Symons, F. J. (2012). Single-subject experimental design for evidence-based practice. American Journal of Speech-Language Pathology, 21(4), 397–414.	Kazdin, A. E. (1982). Single-Case Research Designs: Methods for Clinical and Applied Settings. Oxford University Press. ISBN: 978-0195030440
별칭	pilot reversal design, feasibility ABAB design, pilot withdrawal design, pilot single-subject reversal	SSED, single-case experimental design, n-of-1 design, intrasubject replication design
관련	6	6
요약	A Pilot ABAB design is a small-scale feasibility trial of the ABAB reversal design, conducted with one or a few participants to test whether an intervention produces reliable behavior change under alternating baseline and treatment conditions before committing resources to a larger study. It combines the internal-validity logic of the ABAB reversal with the limited scope and preliminary aims of a pilot investigation.	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.