Measurement non-invariance of DSM-IV nar
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Thomas S. Kubarych; Steven H. Aggen; Kenneth S. Kendler; Sven Torgersen; Ted Rei
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Article
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2010
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John Wiley and Sons
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English
β 405 KB
## Abstract We investigated measurement nonβinvariance of DSMβIV narcissistic personality disorder (NPD) criteria across age and sex in a populationβbased cohort sample of 2794 Norwegian twins. Age had a statistically significant effect on the factor mean for NPD. Sex had a statistically significan