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| Adaptives ABAB-Design× | Multiple-Baseline-Design× | |
|---|---|---|
| Fachgebiet | Versuchsplanung | Versuchsplanung |
| Familie | Process / pipeline | Process / pipeline |
| Entstehungsjahr≠ | 1984 (foundational ABAB); adaptive extensions ~2000s–2010s | 1968 |
| Urheber≠ | Extended from Barlow & Hersen's ABAB reversal tradition; adaptive rules formalized in behavioral and clinical single-subject research (late 20th–early 21st century) | Donald M. Baer, Montrose M. Wolf, Todd R. Risley |
| Typ | Single-subject experimental design | Single-subject experimental design |
| Wegweisende Quelle≠ | Barlow, D. H., & Hersen, M. (1984). Single Case Experimental Designs: Strategies for Studying Behavior Change (2nd ed.). Pergamon Press. ISBN: 978-0205143641 | 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 ↗ |
| Aliasnamen | adaptive reversal design, adaptive single-subject ABAB, ABAB with adaptive phase-change rules, dynamic ABAB design | MBD, multiple-baseline single-case design, staggered baseline design, multiple-probe design |
| Verwandt≠ | 2 | 4 |
| Zusammenfassung≠ | The Adaptive ABAB Design is a single-subject experimental methodology that extends the classic ABAB reversal design by incorporating data-driven, prospective decision rules to determine when to transition between baseline (A) and intervention (B) phases. Rather than fixing phase lengths in advance, the researcher uses pre-specified criteria — such as stability thresholds, slope targets, or effect-size benchmarks — to guide each phase change, improving both experimental control and clinical responsiveness. | The multiple baseline design is a single-subject experimental design that demonstrates functional control by introducing an intervention at staggered time points across two or more baselines — typically across different behaviors, individuals, or settings. Because no withdrawal of treatment is required, it is especially suitable when the target behavior is irreversible or when removing an effective intervention would be unethical. |
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