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"We Can Do Better": Developing Attitudinal Scales Relevant to LGBTQ2S+ Issues-A Primer on Best Practice
C J Bishop1, Todd Graham Morrison2
1Psychology Program, Grenfell Campus, Memorial University of Newfoundland and Labrador, Corner Brook, NL A2H 5G4, Canada.
Behavioral Sciences (Basel, Switzerland)
|July 27, 2024
Summary
This guide offers a step-by-step approach for creating reliable and valid measurement tools for sexual- and gender-marginalized persons (SGMPs). It covers item development, refinement, and validation strategies, ensuring accurate psychometric assessment.
Area of Science:
- Psychometrics
- Social Sciences
- Health Sciences
Background:
- Developing accurate measurement tools for sexual- and gender-marginalized persons (SGMPs) is crucial.
- Existing psychometric practices may not adequately address the unique needs of SGMPs.
- A clear, practical guide is needed to improve measure development for this population.
Purpose of the Study:
- To provide a comprehensive, step-by-step guide for developing psychometric measures for SGMPs.
- To define key psychometric concepts (reliability, validity) for a uniform understanding.
- To offer practical strategies for item development, refinement, and validation.
Main Methods:
- The primer outlines best practices in psychometrics.
- It details methods for scale item development and refinement.
- Strategies for item pool reduction and various validation techniques (convergent, discriminant, known groups) are discussed.
Main Results:
- The guide provides a structured framework for measure development tailored to SGMPs.
- Illustrative examples from existing measures for SGMPs are integrated throughout.
- Key psychometric principles are clarified with practical applications.
Conclusions:
- This primer equips researchers and practitioners with the necessary knowledge to develop robust and relevant measures for SGMPs.
- Adherence to these guidelines can enhance the validity and reliability of research concerning SGMPs.
- The guide promotes more inclusive and accurate psychometric assessment within sexual and gender minority research.
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