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Research article

First published 2024-6

Measurement Invariance in Longitudinal Bifactor Models: Review and Application Based on the p Factor

Sharon A. S. Neufeld, Michelle St Clair, Jeannette Brodbeck [...]

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Open access

Research article

First published 2025

A Bifactor Model of Childhood Adversity in a Longitudinal South African Birth Cohort Study

Joannes S. H. de Leeuw, Marilyn Lake, Milton Gering [...]

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Open access

Research article

First published 2025

Examining the Within- and Between-Person Structure of Callous-Unemotional Traits in Adolescents and Young Adults in Daily Life

Hao Zheng, Yao Zheng

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Retricted access

Research article

First published 2019-3

Using the De Jong Gierveld Loneliness Scale With Early Adolescents: Factor Structure,Reliability,Stability,and External Validity

Paweł Grygiel, Grzegorz Humenny, Sławomir Rębisz

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Retricted access

Research article

First published 2021-9

Invariance of the Bifactor Structure of Mild Traumatic Brain Injury (mTBI) Symptoms on the Rivermead Postconcussion Symptoms Questionnaire Across Time,Demographic Characteristics,and Clinical Groups: A TRACK-TBI Study

Stephanie Agtarap, Mark D. Kramer, Laura Campbell-Sills [...]

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Retricted access

Research article

First published 2023-8

Validation of the Child Observation Record Advantage 1.5 Assessment Tool for Preschool Children: A Multilevel Bifactor Modeling Approach

Hope O. Akaeze, Jamie Heng-Chieh Wu, Frank R. Lawrence [...]

Journal of Psychoeducational Assessment

Open access

Research article

First published 2024-12

Longitudinal and Gender Measurement Invariance of the General Health Questionnaire-12 (GHQ-12) From Adolescence to Emerging Adulthood

Pascal Schlechter, Sharon A. S. Neufeld

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Retricted access

Research article

First published 2021-2

Sense of Community in Early Adolescents: Validating the Scale of Sense of Community in Early Adolescents

Gabriele Prati, Carlo Tomasetto, Elvira Cicognani

The Journal of Early Adolescence

Open access

Research article

First published 2024-1

The General Factor of Psychopathology (p): Choosing Among Competing Models and Interpreting p

Avshalom Caspi, Renate M. Houts, Helen L. Fisher [...]

Clinical Psychological Science

Retricted access

Research article

First published 2025-10

Assessing Jealousy: Factor Analyses,Measurement Invariance,Nomological Validity,and Longitudinal APIM Analyses of the Multidimensional Jealousy Scale

Kay Brauer, René T. Proyer

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