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	Faktoriell ABA-design	ABA-design
Ämnesområde	Försöksplanering	Försöksplanering
Familj	Process / pipeline	Process / pipeline
Ursprungsår	1968 (ABA base); factorial extensions developed through 1980s–2000s	1968
Upphovsperson	Derived from ABA reversal design (Baer, Wolf & Risley, 1968) extended with factorial manipulation principles	Montrose Wolf, Donald Baer, Todd Risley (applied behavior analysis tradition)
Typ	Single-case experimental design with factorial treatment structure	Single-subject experimental design
Ursprungskälla	Kratochwill, T. R., & Levin, J. R. (Eds.). (2010). Single-Case Intervention Research: Methodological and Statistical Advances. American Psychological Association. ISBN: 978-1433807909	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	Factorial reversal design, Multi-factor ABA design, Factorial withdrawal design, SCED factorial ABA	reversal design, withdrawal design, ABA withdrawal design
Närliggande	6	4
Sammanfattning	The Factorial ABA design embeds a factorial treatment structure within the ABA reversal framework. Rather than testing a single treatment against baseline, the researcher systematically varies two or more independent variables (factors) across treatment phases, using the ABA withdrawal logic to establish experimental control. This makes it possible to examine main effects and interactions among treatment components within a single-case or small-N experimental context.	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.