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| Single-blind ABA Design× | Single-Subject Experimental Design× | |
|---|---|---|
| Fagområde | Forsøgsdesign | Forsøgsdesign |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1968 (ABA design); single-blind adaptation developed through 1970s–1980s clinical behavioral research | 1960s (Sidman 1960; formal applied codification by Kazdin and Baer in 1970s–1980s) |
| Ophavsperson≠ | Montrose Wolf, Donald Baer, Todd Risley (ABA tradition); single-blind masking adapted from clinical trial methodology | Murray Sidman (foundational tactics); B. F. Skinner (applied behavior analysis lineage) |
| Type≠ | Single-subject experimental design with assessor blinding | Experimental research design |
| Oprindelig kilde≠ | 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 ↗ | Kazdin, A. E. (1982). Single-Case Research Designs: Methods for Clinical and Applied Settings. Oxford University Press. ISBN: 978-0195030440 |
| Aliasser | single-blind reversal design, single-masked ABA design, single-blind withdrawal design, assessor-blind ABA design | SSED, single-case experimental design, n-of-1 design, intrasubject replication design |
| Relaterede≠ | 5 | 6 |
| Resumé≠ | The single-blind ABA design combines the three-phase reversal logic of the ABA single-subject design — baseline (A1), intervention (B), and withdrawal (A2) — with single-blind masking, in which outcome assessors are kept unaware of the current phase or treatment condition while the participant and intervention team remain aware. This blinding reduces observer bias in behavioral measurement across the three phases. | Single-subject experimental design (SSED) establishes experimental control by repeatedly measuring one individual (or a small number of individuals) across baseline and intervention phases, using the participant as their own control. Instead of comparing groups, it compares the participant's own behavior across conditions over time. Widely used in applied behavior analysis, special education, rehabilitation, and clinical psychology, SSED allows causal inference from small or unique samples where group designs are impractical. |
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