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IRTBEMM: An R Package for Estimating IRT Models With Guessing or Slipping Parameters

  • Shaoyang Guo
  • , Chanjin Zheng*
  • , Justin L. Kern
  • *Corresponding author for this work
  • East China Normal University
  • University of Illinois at Urbana-Champaign

Research output: Contribution to journal › Article › peer-review

Abstract

A recently released R package IRTBEMM is presented in this article. This package puts together several new estimation algorithms (Bayesian EMM, Bayesian E3M, and their maximum likelihood versions) for the Item Response Theory (IRT) models with guessing and slipping parameters (e.g., 3PL, 4PL, 1PL-G, and 1PL-AG models). IRTBEMM should be of interest to the researchers in IRT estimation and applying IRT models with the guessing and slipping effects to real datasets.

Original languageEnglish
Pages (from-to)566-567
Number of pages2
JournalApplied Psychological Measurement
Volume44
Issue number7-8
DOIs
StatePublished - 1 Oct 2020

Keywords

  • 1PL-AG
  • 3PLM
  • 4PLM
  • IRTBEMM
  • R package

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