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Measurement validity in cross-cultural comparative research
1Institute of Psychiatry, King's College London P060, De Crespigny Park, London SE5 8AF, United Kingdom. m.prince@iop.kcl.ac.uk
Epidemiologia E Psichiatria Sociale
|October 18, 2008
Summary
Establishing measurement validity in cross-cultural research requires rigorous qualitative and quantitative methods. While full criterion validation is challenging, quantitative analyses like confirmatory factor analysis can assess construct validity and measurement invariance across cultures.
Area of Science:
- Psychometrics
- Cross-cultural psychology
- Health services research
Background:
- Cross-cultural comparative research necessitates robust measurement validity to ensure accurate comparisons.
- Establishing measurement validity across diverse cultural contexts presents significant methodological challenges.
Purpose of the Study:
- To review procedures for establishing measurement validity in cross-cultural research.
- To discuss recent advancements in quantitatively assessing cross-cultural construct validity.
Main Methods:
- A narrative review approach was employed, drawing on selected examples.
- Methods covered formative conceptual research, translation and adaptation, criterion validity, and construct validity.
Main Results:
- Valid cross-cultural assessment requires qualitative exploration of construct relevance, careful translation/adaptation, and pre-testing with cognitive interviews.
- Full criterion validation is difficult due to the lack of a universal 'gold standard'.
- Quantitative analyses, including internal consistency, reliability tests, factor analysis, confirmatory factor analysis, and Rasch models, can support construct validity and test measurement invariance, though threshold effects may persist.
Conclusions:
- Demonstrably valid culture-fair comparisons are scarce in cross-cultural mental health literature.
- Further efforts are needed to demonstrate measurement invariance and explore sources of heterogeneity in cross-cultural research.
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