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The Impact of Non-Normality on Extraction of Spurious Latent Classes in Mixture IRT Models
Unidimensional, item response theory (IRT) models assume a single homogeneous population. Mixture IRT (MixIRT) models can be useful when subpopulations are suspected. The usual MixIRT model is typically estimated assuming a normally distributed latent ability. Research on normal finite mixture model...
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| Pubblicato in: | Appl Psychol Meas |
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| Autori principali: | , , |
| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
SAGE Publications
2015
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5982170/ https://ncbi.nlm.nih.gov/pubmed/29881041 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1177/0146621615605080 |
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