A New Latent Trait Modeling Approach with Contributions to Assessing Latent Unidimensionality and Ability Test Bias

Abstract

The objectives and progress are summarized with references to reports, unpublished works, and published papers detailing this work. Important accomplishments include: (a) correction of Stout's statistical test of unidimensionality for preasymptotic performance bias, (b) a large scale simulation study suggesting that the statistical test should perform well in applications, (c) development of a new IRT modeling approach capable of assessing the number of dominant latent dimensions and, (d) a rigorous definition of ability test bias and a statistical test of ability test bias. Keywords: Test of unidimensionality, Local independence, Essential unidimensionality, Test bias, Psychological testing.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1988
Accession Number
ADA198830

Entities

People

  • William Stout

Organizations

  • University of Illinois Urbana–Champaign

Tags

DTIC Thesaurus Topics

  • Computing-Related Activities
  • Data Science
  • Information Science
  • Interdisciplinary Science
  • Mathematics
  • Military Research
  • Psychological Tests
  • Simulations
  • Statistical Analysis
  • Statistical Tests
  • Statistics
  • Three Dimensional

Readers

  • Computational Modeling and Simulation
  • Psychometric Testing or Psychological Assessment.
  • Theoretical Analysis.