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- Psychometric properties of the Portuguese teacher-version of the Inventory of Callous-Unemotional Traits in PreschoolersPublication . Figueiredo, Patrícia; Ramião, Eduarda; Moreira, Diana; Barroso, Ricardo; Barbosa, FernandoAbstract: Several authors suggest that Callous-Unemotional (CU) traits may be useful in identifying adolescents who exhibit initial, severe, chronic, and aggressive conduct problems. The Inventory of Callous-Unemotional Traits (ICU) was developed to assess these traits, later associated with psychopathy, in children and adolescents. This study aims to analyze the psychometric properties of the Portuguese version of the teacher-report ICU for preschool-age children. The sample was collected in public schools and comprised the responses of 46 preschool teachers concerning 131 children (62 girls) between 3 and 6 years of age. Results indicate that a two-factor model revealed the best fit to our data, including a Callous and an Uncaring factor, resorting to 12 of the original 24 items. Additionally, the results of this study also provide evidence of measurement invariance across sex for the ICU, allowing us to compare mean levels of CU traits between boys and girls. The results of the present study showed that the Portuguese version of the ICU scale (teacher’s version) seems reliable and valid for evaluating CU traits in preschool children.
- Psychometric properties of the Child Problematic Traits Inventory in Portuguese childrenPublication . Barroso, Ricardo; Azevedo, Rita; Costa, RaquelAbstract: The Child Problematic Traits Inventory (CPTI) is a teacher-reported instrument to assess psychopathic personality traits in 3 to 6-year-old children (M=4.78, SD=.60). This is the first study to test the reliability and validity of this instrument within a Portuguese sample of 264 children aged between 3 to 6 years (43.2% female). Cronbach alpha values greater than .80 were observed for all CPTI scale scores. Regarding the criterion validity, CPTI total and its three dimensions were significantly correlated with an alternative measure of impulsiveness. The CPTI items loaded differently on the three theoretically proposed factors: (1) Interpersonal/Grandiose-Deceitful, (2) Affective/Callous-Unemotional, and (3) Behavioral/Impulsive-Need for Stimulation. The Total CPTI and the three dimensions of CPTI were significantly correlated with the alternative measure of Impulsiveness – CBQ Impulsivity subscale (r=.37Total; .29Interpersonal; .26Affective; .45Behavioral). In conclusion, our findings suggest that the CPTI is a psychometrically sound measure to assess psychopathic personality traits in a sample of community-residing Portuguese children.