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| Disseny factorial ABAB× | Disseny de Múltiples Línies de Base× | |
|---|---|---|
| Camp | Disseny experimental | Disseny experimental |
| Família | Process / pipeline | Process / pipeline |
| Any d'origen≠ | 1960s–1970s (integration of factorial and single-subject reversal traditions) | 1968 |
| Autor original≠ | Derived from Sidman (1960) reversal logic and Fisher & Yates factorial principles; systematized in applied behavior analysis | Donald M. Baer, Montrose M. Wolf, Todd R. Risley |
| Tipus | Single-subject experimental design | Single-subject experimental design |
| Font seminal≠ | 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 ↗ |
| Àlies | factorial reversal design, factorial withdrawal design, multi-factor ABAB design, factorial single-subject reversal | MBD, multiple-baseline single-case design, staggered baseline design, multiple-probe design |
| Relacionats≠ | 5 | 4 |
| Resum≠ | 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 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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