iarm

Item Analysis in Rasch Models

CRAN Package

Tools to assess model fit and identify misfitting items for Rasch models (RM) and partial credit models (PCM). Included are item fit statistics, item characteristic curves, item-restscore association, conditional likelihood ratio tests, assessment of measurement error, estimates of the reliability and test targeting as described in Christensen et al. (Eds.) (2013, ISBN:978-1-84821-222-0).

  • Version0.4.3
  • R versionunknown
  • LicenseGPL-2
  • Needs compilation?No
  • Last release08/27/2022

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  • Depends2 packages
  • Imports4 packages