The l z ( p ) * Person-Fit Statistic in an Unfolding Model Context
Sign Up to like & getrecommendations! Published in 2017 at "Applied Psychological Measurement"
DOI: 10.1177/0146621616669336
Abstract: Although person-fit analysis has a long-standing tradition within item response theory, it has been applied in combination with dominance response models almost exclusively. In this article, a popular log likelihood-based parametric person-fit statistic under the… read more here.
Keywords: unfolding model; fit statistic; response; person fit ... See more keywords
Item-Fit Statistic Based on Posterior Probabilities of Membership in Ability Groups
Sign Up to like & getrecommendations! Published in 2022 at "Applied Psychological Measurement"
DOI: 10.1177/01466216221108061
Abstract: A novel approach to item-fit analysis based on an asymptotic test is proposed. The new test statistic, χ w 2 , compares pseudo-observed and expected item mean scores over a set of ability bins. The… read more here.
Keywords: ability; based posterior; item fit; statistic based ... See more keywords