We present a class of finite mixture multilevel multidimensional ordinal IRT models for large scale cross-cultural research. Our model is proposed for confirmatory research settings. Our prior for item parameters is a mixture distribution to accommodate situations where different groups of countries have different measurement operations, while countries within these groups are still allowed to be heterogeneous. A simulation study is conducted that shows that all parameters can be recovered. We also apply the model to real data on the two components of affective subjective well-being: positive affect and negative affect. The psychometric behavior of these two scales is studied in 28 countries across four continents.
Finite Mixture Multilevel Multidimensional Ordinal IRT Models for Large Scale Cross-Cultural Research
Published 2010 in Psychometrika
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- Publication year
2010
- Venue
Psychometrika
- Publication date
2010-03-01
- Fields of study
Sociology, Computer Science, Mathematics, Psychology
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Semantic Scholar
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