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| Projekt czynnikowy ABAB× | Projekt ABA× | |
|---|---|---|
| Dziedzina | Planowanie eksperymentów | Planowanie eksperymentów |
| Rodzina | Process / pipeline | Process / pipeline |
| Rok powstania≠ | 1960s–1970s (integration of factorial and single-subject reversal traditions) | 1968 |
| Twórca≠ | Derived from Sidman (1960) reversal logic and Fisher & Yates factorial principles; systematized in applied behavior analysis | Montrose Wolf, Donald Baer, Todd Risley (applied behavior analysis tradition) |
| Typ | Single-subject experimental design | Single-subject experimental design |
| Źródło pierwotne≠ | Kazdin, A. E. (2011). Single-Case Research Designs: Methods for Clinical and Applied Settings (2nd ed.). Oxford University Press. ISBN: 978-0195341881 | 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. DOI ↗ |
| Inne nazwy≠ | factorial reversal design, factorial withdrawal design, multi-factor ABAB design, factorial single-subject reversal | reversal design, withdrawal design, ABA withdrawal design |
| Pokrewne≠ | 5 | 4 |
| Podsumowanie≠ | The factorial ABAB design embeds a factorial structure within the classical ABAB reversal framework, enabling a single participant or a small set of participants to experience multiple factor combinations across alternating baseline (A) and treatment (B) phases. By systematically withdrawing and reinstating treatment conditions that vary across two or more factors, the design allows examination of both main effects and interactions at the individual level, providing strong experimental control through within-subject replication. | 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. |
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