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Direct linkSlof-Op 't Landt, M. C. T.; van Furth, E. F.; Rebollo-Mesa, I.; Bartels, M.; van Beijsterveldt, C. E. M.; Slagboom, P. E.; Boomsma, D. I.; Meulenbelt, I.; Dolan, C. V. – Assessment, 2009
In most assessment instruments, distinct items are designed to measure a trait, and the sum score of these items serves as an approximation of an individual's trait score. In interpreting group differences with respect to sum scores, the instrument should measure the same underlying trait across groups (e.g., male/female, young/old). Differences…
Descriptors: Gender Differences, Measurement, Scores, Questionnaires
Essau, Cecilia A.; Sasagawa, Satoko; Frick, Paul J. – Assessment, 2006
This study examined the structure, distribution, and correlates of a new measure of self-reported callous-unemotional (CU) traits in 1,443 adolescents (774 boys, 669 girls) between the ages of 13 to 18 years. The Inventory of Callous-Unemotional Traits was subjected to exploratory factor analysis and confirmatory factor analysis. Exploratory…
Descriptors: Adolescents, Factor Analysis, Factor Structure, Personality Measures
