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Research article

First published 2010-03

Avoiding the effect of item wording by means of bipolar instead of unipolar items: An application to social optimism

Karl Schweizer, Michael Schreiner

European Journal of Personality

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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

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Research article

First published 2024-6

Measuring Unipolar Traits With Continuous Response Items: Some Methodological and Substantive Developments

Pere J. Ferrando, Fabia Morales-Vives, Ana Hernández-Dorado

Educational and Psychological Measurement

Open access

Research article

First published 2023

What Happens When You Add a ‘Not Relevant’ Response Option to the Unipolar Response Scales of Personality State Items?

Sarah Kritzler, Peter Haehner, Julia Krasko [...]

Personality Science

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Research article

First published 2026-3

A Multidimensional Continuous Response Model for Measuring Unipolar Traits

Pere J. Ferrando, Fabia Morales-Vives, José M. Casas [...]

Applied Psychological Measurement

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Research article

First published 1968-8

Masculinity,Femininity,and Masculinity-Femininity: A Phenomenological Study of the MF Scale of the MMPI

Jay Y. Gonen, Leonard M. Lansky

Psychological Reports

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Research article

First published 1998-09

Evaluating a Measure of the Five-Factor Model of Personality

Daniel K. Mroczek, Daniel J. Ozer, Avron Spiro [...]

Assessment

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Research article

First published 2017-05

Distinguishing Bipolar Depression from Unipolar Depression in Youth: Preliminary Findings

Rasim Somer Diler, Tina R. Goldstein, Danella Hafeman [...]

Journal of Child and Adolescent Psychopharmacology

Open access

Research article

First published 2022-1

Developing Preliminary Scales for Assessing the HiTOP Detachment Spectrum

Johannes Zimmermann, Thomas A. Widiger, Lara Oeltjen [...]

Assessment

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Research article

First published 1980-6

Comparison of Factors from the Bem Sex-Role Inventory for Male and Female College Students

Thomas M. Kimlicka, James A. Wakefield, Alan F. Friedman

Psychological Reports

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