Registro de evidencia del método

Single-Case Experimental Design

Single-case experimental design (SCED) is a family of rigorous within-subject experimental methodologies for evaluating whether an intervention causes change in an individual, widely used in rehabilitation, special education, and applied behavior analysis. Rather than averaging across a large sample, SCED measures a defined target behavior repeatedly across a baseline (A) phase and an intervention (B) phase, and infers a causal effect when the change is replicated at three or more different points in time within the same case. Internal validity is built into the design itself through systematic manipulation of the independent variable and repeated demonstrations of effect, not through a control group. The 2013 What Works Clearinghouse single-case design standards, formalized by Kratochwill and colleagues, codified what counts as a credible SCED, including requirements for systematic manipulation, at least three attempts to demonstrate an effect, and minimum data points per phase. SCED is the experimental backbone of evidence-based practice for individuals whose conditions, contexts, or low incidence make group designs impractical.

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Single-Case Experimental Design (Within-Subject Experimental Methodology and Design Standards)

Registro del método taxonómico · process-pipeline / disability-studies

Kratochwill, T. R., Hitchcock, J. H., Horner, R. H., Levin, J. R., Odom, S. L., Rindskopf, D. M., & Shadish, W. R. (2013). Single-case intervention research design standards. Remedial and Special Education, 34(1), 26-38. · DOI 10.1177/0741932512452794

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Métodos relacionados

Generado a partir del grafo de métodos y mostrado como relaciones sugeridas por la máquina; no se infiere ninguna afirmación de evidencia.

Taxonomic bucketAlternating Treatments Designmachine-suggested · Relational suggestion, not evidence.Taxonomic bucketChanging Criterion Designmachine-suggested · Relational suggestion, not evidence.Same method familyPercentage of Non-Overlapping Datamachine-suggested · Relational suggestion, not evidence.