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dc.contributor.advisorAman, Michael
dc.creatorFarmer, Cristan
dc.date.accessioned2008-04-22T21:56:33Z
dc.date.available2008-04-22T21:56:33Z
dc.date.issued2008-04
dc.identifier.urihttp://hdl.handle.net/1811/31926
dc.descriptionPoster: 1st Place (The Ohio State University Edward F. Hayes Graduate Research Forum)en_US
dc.description.abstractAlthough the problem of aggression in children with developmental disabilities is pervasive, there are currently no scales adequate for its measurement. This study explored the factor structure and psychometric characteristics of the Children’s Scale for Hostility and Aggression, Reactive/Proactive (C-SHARP). The C-SHARP comprises 58 items with two Likert scales: (a) the Problem Scale, where frequency and severity are rated, and (b) the Provocation Scale, where the degree of proactivity or reactivity is evaluated. The ratings of 365 children with developmental disability (mean age, 12.5 years; 60.5% male) were subjected to exploratory factor analysis. The most appropriate factor structure, judged by face validity and measures of fit and reliability, left 48 items on five factors: (I) Verbal Aggression, (II) Bullying, (III) Covert Aggression, (IV) Hostility, and (V) Physical Aggression. The fit of the model was adequate (RMSEA = 0.071), and the internal consistency of the subscales was high (average α = 0.87). The validity of the C-SHARP was explored using demographic, diagnostic, and medication variables. Several validation groups differed in expected ways on C-SHARP subscales scores, supporting the convergent and divergent validity of the instrument. Interrater reliability was extremely high on the Problem Scale (ICCs ranged from 0.67 for Hostility, to 0.91 for Bullying); although interrater reliability was considerably lower for the Provocation Scale. Overall, the C-SHARP appears to have good reliability and validity, and has promise as a useful tool in the assessment of children with developmental disabilities.en_US
dc.language.isoen_USen_US
dc.relation.ispartofseries2008 Edward F. Hayes Graduate Research Forum. 22nden_US
dc.subjectaggressionen_US
dc.subjectchildrenen_US
dc.subjectscale developmenten_US
dc.subjectintellectual and developmental disabilitiesen_US
dc.titleFactor structure and psychometric properties of the Children's Scale for Hostility and Aggression: Reactive/Proactive (C-SHARP)en_US
dc.typeArticleen_US
dc.description.embargoNo embargoen_US


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