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	Pilot AB Design	ABA-design
Ämnesområde	Försöksplanering	Försöksplanering
Familj	Process / pipeline	Process / pipeline
Ursprungsår	1960s (AB design); pilot framing formalized in practice by 1980s–1990s	1968
Upphovsperson	Murray Sidman; Baer, Wolf & Risley (AB logic); pilot application emergent from single-subject research practice	Montrose Wolf, Donald Baer, Todd Risley (applied behavior analysis tradition)
Typ	Single-subject pilot experimental design	Single-subject experimental design
Ursprungskälla	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.	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.
Alias	pilot AB phase design, preliminary AB design, exploratory AB single-case design, feasibility AB design	reversal design, withdrawal design, ABA withdrawal design
Närliggande	6	4
Sammanfattning	A pilot AB design applies the two-phase baseline-then-intervention structure of the AB single-subject design in an explicitly exploratory or feasibility mode — before committing to a more rigorous reversal or multiple-baseline study. The researcher collects repeated baseline (A) and intervention (B) data from one or a few individuals primarily to test measurement procedures, estimate effect size, verify data stability, and determine whether a stronger single-case design is warranted and feasible.	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.