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Retricted access

Research article

First published 2017-10

Clarifying the concept of validity: From measurement to everyday language

Matthias Buntins, Katja Buntins, Frank Eggert

Theory & Psychology

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Research article

First published 2019-6

On Habermas’s differentiation of rightness from truth: Can an achievement concept do without a validity concept?

Piet Strydom

Philosophy & Social Criticism

Open access

Research article

First published 2002-12

Symposium Conclusion - Issues of Validity: Behavioral Concepts,Their Derivation and Interpretation

Janice M. Morse, Judith E. Hupcey, Janice Penrod [...]

International Journal of Qualitative Methods

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Research article

First published 2008-10

Reliability and Validity of Self-Concept Scores in Secondary School Students in Trinidad and Tobago

Frank C. Worrell, Marley W. Watkins, Tracey E. Hall

School Psychology International

Open access

Research article

First published 2002-12

Symposium Introduction - Issues of Validity: Behavioral Concepts,Their Derivation and Interpretation

Janice M. Morse, Judith E. Hupcey, Janice Penrod [...]

International Journal of Qualitative Methods

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Brief report

First published 2025-8

Exploring Validity Evidence for Mathematics Self-Concept of Adolescents: Key Findings from PISA 2022

Onur Ramazan, Shenghai Dai, Robert William Danielson

Journal of Psychoeducational Assessment

Open access

Research article

First published 2026

Predictive Validity of the Algebra Concept Inventory (ACI): The Importance of Algebraic Conceptual Understanding to College Math and STEM Outcomes

Claire Wladis, Benjamin Sencindiver, Alyse C. Hachey [...]

AERA Open

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Research article

First published 2011-6

Reliability and Validity Evidence of the Chinese Piers-Harris Children’s Self-Concept Scale Scores Among Taiwanese Children

Mon-hsin Wang Flahive, Ying-Chih Chuang, Chien-Mo Li

Journal of Psychoeducational Assessment

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Research article

First published 1986-1

The Concept of a Validation Plan

Robert J. Bronstein

Therapeutic Innovation & Regulatory Science

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Research article

First published 1999-10

Reliability and Validity of the Conceptions of Mathematics Questionnaire

Andile Mji

Psychological Reports

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