iarm: Item Analysis in Rasch Models

Tools to assess model fit and identify misfitting items for Rasch models (RM) and partial credit models (PCM). Included are item fit statistics, 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).

Package details

AuthorMarianne Mueller [aut, cre]
MaintainerMarianne Mueller <[email protected]>
Package repositoryView on CRAN
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iarm documentation built on Dec. 4, 2019, 5:06 p.m.