Estimation of Parameters in the Three-Parameter Latent Trait Model

Abstract

Two methods for estimation of parameters of the three-parameter logistic model, the Urry method and the maximum likelihood procedure, were studied with respect to several issues using artificial data. Comparisons were made as to the accuracy of estimation and its relationship to the number of items and examinees, the effect of the distributions of ability on the resulting estimates of items and ability parameters, and the statistical properties such as bias and consistency of the resulting estimates.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1979
Accession Number
ADA214709

Entities

People

  • Hariharan Swaminathan
  • Janice A. Gifford

Organizations

  • University of Massachusetts Amherst

Tags

Communities of Interest

  • C4I

DTIC Thesaurus Topics

  • Accuracy
  • Air Force
  • Air Force Facilities
  • Bias
  • Computer Programs
  • Computers
  • Consistency
  • Convergence
  • Data Science
  • Discrimination
  • Errors
  • Estimators
  • Maximum Likelihood Estimation
  • Measurement
  • Normal Distribution
  • Standards
  • Statistics

Readers

  • Adaptive Control and Estimation with Uncertainty in Dynamic Systems.
  • Psychometric Testing or Psychological Assessment.