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The British Journal of Mathematical and Statistical Psychology|April 13, 2026
Defining asymmetry in item response theoryLeah M Feuerstahler, Jay Verkuilen, Fabio Setti, et al.Psychometrika|November 11, 2018
Metric Transformations and the Filtered Monotonic Polynomial Item Response ModelLeah M FeuerstahlerApplied Psychological Measurement|July 24, 2018
Sources of Error in IRT Trait EstimationLeah M FeuerstahlerMultivariate Behavioral Research|September 3, 2020
Metric Stability in Item Response ModelsLeah M FeuerstahlerThe British Journal of Mathematical and Statistical Psychology|October 23, 2021
The Fisher information function and scoring in binary ideal point item response models: a cautionary taleJay VerkuilenEducational and Psychological Measurement|January 6, 2022
On the Performance of Semi- and Nonparametric Item Response Functions in Computer Adaptive TestsCarl F Falk, Leah M FeuerstahlerPsychological Methods|April 6, 2006
A better lemon squeezer? Maximum-likelihood regression with beta-distributed dependent variablesMichael Smithson, Jay VerkuilenEducational and Psychological Measurement|July 4, 2020
Improving Measurement Precision in Experimental Psychopathology Using Item Response TheoryLeah M Feuerstahler, Niels Waller, Angus MacDonaldEntropy (Basel, Switzerland)|January 8, 2025
A Definition of a Heywood Case in Item Response Theory Based on Fisher InformationJay Verkuilen, Peter J JohnsonBehavior Modification|April 30, 2016
Reliability, Validity, and Usability of Data Extraction Programs for Single-Case Research DesignsMariola Moeyaert, Daniel Maggin, Jay VerkuilenPageof 27