방법 비교

	파일럿 ABA 설계	ABAB 설계
분야	실험설계	실험설계
계열	Process / pipeline	Process / pipeline
기원 연도	1960s (ABA design); pilot adaptation in clinical and behavioral research from 1980s onward	1960s (Sidman 1960; Baer et al. 1968)
창시자	Murray Sidman (ABA reversal logic); pilot study methodology broadly attributed to clinical trial traditions	Murray Sidman; Baer, Wolf & Risley (applied behavior analysis formalization)
유형	Single-subject experimental pilot design	Single-subject experimental design
원전	Sidman, M. (1960). Tactics of Scientific Research: Evaluating Experimental Data in Psychology. Basic Books.	Sidman, M. (1960). Tactics of Scientific Research: Evaluating Experimental Data in Psychology. Basic Books.
별칭	Pilot ABA reversal design, Pilot withdrawal design, Pilot single-subject reversal design, Feasibility ABA design	reversal design, withdrawal design, ABAB reversal, operant reversal design
관련	6	4
요약	The Pilot ABA Design is a small-scale single-subject experiment that applies the ABA reversal structure — baseline, intervention, withdrawal — to test the feasibility, acceptability, and preliminary effect of an intervention before committing to a full-scale study. It provides early evidence of whether the treatment produces a detectable change and whether the reversal is ethically and practically achievable.	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.