Publication: Anchor Point Selection: Scale Alignment Based on an Inequality Criterion
Anchor Point Selection: Scale Alignment Based on an Inequality Criterion
Date
Date
Date
Citations
Strobl, C., Kopf, J., Kohler, L., von Oertzen, T., & Zeileis, A. (2021). Anchor Point Selection: Scale Alignment Based on an Inequality Criterion. Applied Psychological Measurement, 45(3), 214–230. https://doi.org/10.1177/0146621621990743
Abstract
Abstract
Abstract
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 authors suggest an alternative strategy: By means of an inequality criterion from economics, the Gini Index, the item parameters are shifted to an optimal position where the item parameter estimates of the groups best overlap. Several toy exa
Metrics
Downloads
Views
Additional indexing
Creators (Authors)
- Strobl, Carolin
- Kopf, Julia
- Kohler, Lucas
- von Oertzen, Timo
- Zeileis, Achim
Volume
Volume
Volume
Number
Number
Number
Page range/Item number
Page range/Item number
Page range/Item number
Page end
Page end
Page end
Item Type
Item Type
Item Type
In collections
Language
Language
Language
Publication date
Publication date
Publication date
Date available
Date available
Date available
ISSN or e-ISSN
ISSN or e-ISSN
ISSN or e-ISSN
OA Status
OA Status
OA Status
Free Access at
Free Access at
Free Access at
Publisher DOI
Metrics
Downloads
Views
Citations
Strobl, C., Kopf, J., Kohler, L., von Oertzen, T., & Zeileis, A. (2021). Anchor Point Selection: Scale Alignment Based on an Inequality Criterion. Applied Psychological Measurement, 45(3), 214–230. https://doi.org/10.1177/0146621621990743
