Sage Journals: Discover world-class research

Retricted access

Research article

First published 2017-10

Item Response Modeling of Multivariate Count Data With Zero Inflation,Maximum Inflation,and Heaping

Brooke E. Magnus, David Thissen

Journal of Educational and Behavioral Statistics

Retricted access

Research article

First published 2018-10

A Zero-Inflated Box-Cox Normal Unipolar Item Response Model for Measuring Constructs of Psychopathology

Brooke E. Magnus, Yang Liu

Applied Psychological Measurement

Open access

Research article

First published 2022-12

Zero and One Inflated Item Response Theory Models for Bounded Continuous Data

Dylan Molenaar, Mariana Cúri, Jorge L. Bazán

Journal of Educational and Behavioral Statistics

Retricted access

Research article

First published 2010-12

IRT–ZIP Modeling for Multivariate Zero-Inflated Count Data

Lijuan Wang

Journal of Educational and Behavioral Statistics

Retricted access

Research article

First published 2025

The One-Parameter Logistic Model Can Be True With Zero Probability for a Unidimensional Measuring Instrument: How One Could Go Wrong Removing Items Not Satisfying the Model

Tenko Raykov, Bingsheng Zhang

Educational and Psychological Measurement

Retricted access

Research article

First published 2022-5

Assessing Dimensionality in Dichotomous Items When Many Subjects Have All-Zero Responses: An Example From Psychiatry and a Solution Using Mixture Models

William F. Christensen, Melanie M. Wall, Irini Moustaki

Applied Psychological Measurement

Open access

Research article

First published 2020-4

A study of alternative approaches to non-normal latent trait distributions in item response theory models used for health outcome measurement

Niels Smits, Oğuzhan Öğreden, Mauricio Garnier-Villarreal [...]

Statistical Methods in Medical Research

Retricted access

Research article

First published 2018-2

Robust finite-time chaos synchronization of time-delay chaotic systems and its application in secure communication

Hua Wang, Jian-Min Ye, Zhong–Hua Miao [...]

Transactions of the Institute of Measurement and Control

Retricted access

Research article

First published 2024-9

Item Response Modeling of Clinical Instruments With Filter Questions: Disentangling Symptom Presence and Severity

Brooke E. Magnus

Applied Psychological Measurement

Retricted access

Research article

First published 2022-10

An Item Response Theory-Based Scoring of the South Oaks Gambling Screen–Revised Adolescents

Pasquale Anselmi, Daiana Colledani, Alessandra Andreotti [...]

Assessment

Search results