Item Details

Differential Item Functioning [electronic resource]

Steven J. Osterlind, Howard T. Everson
Format
EBook; Book; Online
Published
Thousand Oaks, Calif. : SAGE, c2009.
Edition
2nd ed
Language
English
Series
Quantitative Applications in the Social Sciences
ISBN
9781412954945 (pbk. : acid-free paper), 1412954940 (pbk. : acid-free paper)
Contents
  • Introduction: Audience and requisite background. Role of DIF investigation. Fairness and DIF. Bias and DIF. DIF and discrimination. Understanding the term DIF. Working vocabulary for this monograph.
  • Description of DIF: Formal definition of DIF. DIF: Uniform or not
  • Statistical facets of DIF: Not mean (average) difference. Error in measurement. Differences are systematic. Matching on ability or proficiency. Conditioning criterion: internal versus external. Purification of data
  • Important considerations: DIF: statistics versus reasoned judgment. statistical bias is not unfairness. Whole test versus individual items. Number: items and sample. A sensible perspective
  • History of test bias and DIF: Standards for test fairness
  • Quick-but-incomplete methods: Ordinal ranking of items. Ability group methods. Outdated ANOVA methods
  • Mantel-Haenszel procedure: CHi-Square contingency table. M-H odds ratio
  • Nonparametric methods: DIF with SIBTEST. Dorans's standardization
  • IRT-based methods: IRT framework. Item response curves. The one-parameter model. The two-parameter model. The three-parameter model. DIF methods based on IRT. Differences in item parameters. Likelihood ratio test. Area measures. IRT approaches for detecting DIF in polytomous items
  • Logistic regression: The logistic regression DIF expression. Example of DIF by logistic regression
  • Specialized scored items. Computer-based testing. Computer-adaptive testing. Translated tests
  • Future Directions: Validity argument. Null hypothesis testing. Statistical modeling (HLM and Other). Equivalence testing. DFIT and CDIF testing.
Description
Mode of access: World wide Web.
Notes
  • Revised ed. of: Test item bias.
  • Includes bibliographical references and indexes.
Series Statement
Quantitative applications in the social sciences ; 161
Quantitative applications in the social sciences ; no. 07-161
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Technical Details
  • Access in Virgo Classic

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