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Anchor Point Selection: Scale Alignment Based on an Inequality Criterion
For detecting differential item functioning (DIF) between two or more groups of test takers in the Rasch model, their item parameters need to be placed on the same scale. Typically this is done by means of choosing a set of so-called anchor items based on statistical tests or heuristics. Here the au...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
SAGE Publications
2021
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8041453/ https://www.ncbi.nlm.nih.gov/pubmed/33897070 http://dx.doi.org/10.1177/0146621621990743 |