Journal article
Detecting and measuring rater effects using many-facet Rasch measurement: Part II
Journal of applied measurement, Vol.5(2), pp.189-227
2004
PMID: 15064538
Abstract
The purpose of this two-part paper is to introduce researchers to the many-facet Rasch measurement (MFRM) approach for detecting and measuring rater effects. In Part II of the paper, researchers will learn how to use the Facets (Linacre, 2001) computer program to study five effects: leniency/severity, central tendency, randomness, halo, and differential leniency/severity. As we introduce each effect, we operationally define it within the context of a MFRM approach, specify the particular measurement model(s) needed to detect it, identify group- and individual-level statistical indicators of the effect, and show output from a Facets analysis, pinpointing the various indicators and explaining how to interpret each one. At the close of the paper, we describe other statistical procedures that have been used to detect and measure rater effects to help researchers become aware of important and influential literature on the topic and to gain an appreciation for the diversity of psychometric perspectives that researchers bring to bear on their work. Finally, we consider future directions for research in the detection and measurement of rater effects.
Details
- Title: Subtitle
- Detecting and measuring rater effects using many-facet Rasch measurement: Part II
- Creators
- Carol M Myford - College of Education, 1040 W. Harrison St., MC 147, Chicago, IL 60607-7133, USA. cmyford@uic.eduEdward W Wolfe
- Resource Type
- Journal article
- Publication Details
- Journal of applied measurement, Vol.5(2), pp.189-227
- PMID
- 15064538
- NLM abbreviation
- J Appl Meas
- ISSN
- 1529-7713
- Language
- English
- Date published
- 2004
- Academic Unit
- Psychological and Quantitative Foundations
- Record Identifier
- 9985123941502771
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