Ivor W. Molenaar

Seminal · article · 1995

Conceptual Notes on Models for Discrete Polytomous Item Responses

Gideon J. Mellenbergh; Ivor W. Molenaar

Applied Psychological Measurement

Vol. 19 · Issue No. 1

Seminal · other · 2013

TAM: Test Analysis Modules

Alexander Robitzsch; Thomas Kiefer; Margaret Wu; Ivor W. Molenaar

CRAN: Contributed Packages

Seminal · article · 1983

Some Improved Diagnostics for Failure of the Rasch Model

Ivo W. Molenaar; Ivor W. Molenaar

Psychometrika

Vol. 48 · Issue No. 1

Seminal · article · 2020

Measuring university students’ technostress in technology-enhanced learning: Scale development and validation

Xinghua Wang; Seng Chee Tan; Lu Li; Ivor W. Molenaar

Australasian Journal of Educational Technology

Seminal · article · 2020

Validation of the Toronto Empathy Questionnaire (TEQ) Among Medical Students in China: Analyses Using Three Psychometric Methods

Richard Huan Xu; Eliza Lai‐Yi Wong; Sabrina Yu-jun Lu; Ling-ming Zhou; Jing-hui Chang; Dong Wang; Ivor W. Molenaar

Frontiers in Psychology

Vol. 11

Seminal · article · 2022

Power Analysis for the Wald, LR, Score, and Gradient Tests in a Marginal Maximum Likelihood Framework: Applications in IRT

Felix Zimmer; Clemens Draxler; Rudolf Debelak; Ivor W. Molenaar

Psychometrika

Vol. 88 · Issue No. 4

Seminal · other · 2021

Robust and Nonrobust Linking of Two Groups for the Rasch Model with Balanced and Unbalanced Random DIF: A Comparative Simulation Study and the Simultaneous Assessment of Standard Errors and Linking Errors with Resampling Techniques

Alexander Robitzsch; Ivor W. Molenaar

openalex

Seminal · article · 2003

A Person-Fit Index for Polytomous Rasch Models, Latent Class Models, and Their Mixture Generalizations

Matthias von Davier; Ivo W. Molenaar; Ivor W. Molenaar

Psychometrika

Vol. 68 · Issue No. 2

Notable · article · 2019

Measuring teaching skills in elementary education using the Rasch model

Wim van de Grift; Thoni Houtveen; Henk T. G. van den Hurk; Oscar Terpstra; Ivor W. Molenaar

School Effectiveness and School Improvement

Vol. 30 · Issue No. 4

Seminal · article · 1994

More on the Computation of Higher-Order Derivatives of the Elementary Symmetric Functions in the Rasch Model

Michelle Liou; Ivor W. Molenaar

Applied Psychological Measurement

Vol. 18 · Issue No. 1

Seminal · article · 1996

Person-Fit and the Rasch Model, with an Application to Knowledge of logical Quantors

Ivo W. Molenaar; Herbert Hoijtink; Ivor W. Molenaar

Applied Measurement in Education

Vol. 9 · Issue No. 1

Seminal · article · 2009

IRT models with relaxed assumptions in eRm: A manual-like instruction

Reinhold Hatzinger; Thomas Rusch; Ivor W. Molenaar

WU Research

Standard · book_chapter · 1995

Some Background for Item Response Theory and the Rasch Model

Ivo W. Molenaar; Ivor W. Molenaar

Rasch Models

Seminal · article · 2021

A Comparison of Latent Class Analysis and the Mixture Rasch Model Using 8th Grade Mathematics Data in the Fourth International Mathematics and Science Study (TIMSS-2011)

Türker TOKER; Kathy Green; Ivor W. Molenaar

International Journal of Assessment Tools in Education

Vol. 8 · Issue No. 4

Seminal · article · 2017

A Method of Q-Matrix Validation for the Linear Logistic Test Model

Purya Baghaei; Christine Hohensinn; Ivor W. Molenaar

Frontiers in Psychology

Vol. 8

Seminal · article · 2017

Assessment of depression in veterans across missions: a validity study using Rasch measurement models

Karen‐Inge Karstoft; Anni Brit Sternhagen Nielsen; Tine Nielsen; Ivor W. Molenaar

European journal of psychotraumatology

Vol. 8 · Issue No. 1

Standard · article · 2020

Semi‐automated Rasch analysis using in‐plus‐out‐of‐questionnaire log likelihood

Feri Wijayanto; Karlien Mul; Perry Groot; Baziel G.M. van Engelen; Tom Heskes; Ivor W. Molenaar

British Journal of Mathematical and Statistical Psychology

Vol. 74 · Issue No. 2

Seminal · article · 2013

Marker effects and examination reliability: a comparative exploration from the perspectives of generalizability theory, Rasch modelling and multilevel modelling

Jo‐Anne Baird; Malcolm Hayes; Rod Johnson; Sandra Johnson; Iasonas Lamprianou; Ivor W. Molenaar

Digital Education Resource Archive (University College London)

Seminal · article · 2013

The Rasch Model Analysis for Understanding Mathematics Proficiency—A Case Study: Senior High School Sardinian Students

Carlo Pensavalle; Giuliana Solinas; Ivor W. Molenaar

Creative Education

Vol. 04 · Issue No. 12

Standard · article · 1988

Logit based parameter estimation in the Rasch model

N. Verhelst; I.W. Molenaar; Ivor W. Molenaar

Statistica Neerlandica

Vol. 42 · Issue No. 4

Seminal · article · 2024

Invariance of comparisons: Separation of item and person parameters beyond Rasch models

Gerhard Tutz; Ivor W. Molenaar

Journal of Mathematical Psychology

Vol. 122

Seminal · article · 2025

On Specific Objectivity and Measurement by Rasch Models: A Statistical Viewpoint

Svend Kreiner; Ivor W. Molenaar

Educational methods and psychometrics

Vol. 3 · Issue No. 2025

Seminal · dissertation · 2012

Fit indices for the Rasch model

Judit Antal; Ivor W. Molenaar

Szegedi Tudományegyetem