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Kästel, Isabella S.; Vllasaliu, Leonora; Wellnitz, Sophia; Cholemkery, Hannah; Freitag, Christine M.; Bast, Nico – Journal of Autism and Developmental Disorders, 2021
Restricted repetitive behaviors (RRBs) are a core feature of autism spectrum disorders (ASD) and further occur in intellectual disability (ID), mental disorders (MD), and in typically developed people (TD). There is a need of a valid and reliable measure to record RRBs as transdiagnostic symptom, which captures RRBs heterogeneity and evaluates…
Descriptors: Behavior Rating Scales, Screening Tests, Behavior Problems, Repetition
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Bienstein, Pia; Nussbeck, Susanne – Journal of Mental Health Research in Intellectual Disabilities, 2009
The psychometric properties of a German version of the Questions About Behavioral Function Scale (QABF) (Matson & Vollmer, 1995) were examined in a sample of 522 individuals with intellectual disabilities residing in large facilities participated. The factor structure was first examined by exploratory factor analysis, yielding a…
Descriptors: Self Destructive Behavior, Mental Retardation, Interrater Reliability, Factor Structure
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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