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Updated: Aug 22, 2025

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Experimental Manipulation of Body Size to Estimate Morphological Scaling Relationships in Drosophila
Published on: October 1, 2011
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Improving Scale Equivalence by Increasing Access to Scale-Specific Information
Alicia B W Clifton1, Alexander G Stahlmann2, Jennifer Hofmann3
1Perelman School of Medicine, University of Pennsylvania.
Summary
Ensuring psychological measures work the same across languages requires more than just translation. Creating measure-specific guides from original scale builders can improve cross-cultural research and scale equivalence.
Area of Science:
- Psychological measurement
- Cross-cultural psychology
- Open science practices
Background:
- Scientific replication relies on consistent measurement, but cross-cultural research often faces challenges with scale equivalence.
- Traditional translation methods have not fully resolved the issue of psychological constructs differing across languages.
Purpose of the Study:
- To propose that insufficient information about psychological measures contributes to low scale equivalence.
- To explore the creation and utility of measure-specific translation guides developed by original scale creators.
Main Methods:
- Conceptual exploration of the need for measure-specific translation guides.
- Discussion of the content, feasibility, and implementation of such guides.
- Development of an example guide and test case for the Primals Inventory.
Main Results:
- Low scale equivalence may stem from a lack of detailed measure information, not just translation issues.
- Measure-specific guides, developed by original scale builders, are proposed as a solution.
- Increased transparency in measurement translation can enhance scale equivalence.
Conclusions:
- Translators and cross-cultural psychologists may require support from original measure creators to achieve true scale equivalence.
- Implementing measure-specific translation guides aligns with open science principles and can improve the reliability of cross-cultural psychological research.
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