Problems With Using Sum Scores for Estimating Variance Components: Contamination and Measurement Non...
Problems With Using Sum Scores for Estimating Variance Components: Contamination and Measurement Noninvariance
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Cambridge, UK: Cambridge University Press
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Language
English
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Cambridge, UK: Cambridge University Press
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Twin studies of complex traits, such as behavior or psychiatric diagnoses, frequently involve univariate analysis of a sum score derived from multiple items. In this article, we show that absence of measurement invariance across zygosity can bias estimates of genetic and environmental components of variance. Specifically, if the item responses are...
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Full title
Problems With Using Sum Scores for Estimating Variance Components: Contamination and Measurement Noninvariance
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TN_cdi_proquest_miscellaneous_68901353
Permalink
https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_proquest_miscellaneous_68901353
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ISSN
1832-4274
E-ISSN
1839-2628
DOI
10.1375/twin.8.6.553
