Universität zu Köln

Kernder, Teresa, Doepfner, Manfred, Dose, Christina and Goertz-Dorten, Anja (2019). Psychometric properties of a modified version of the Weiss Functional Impairment Rating Scale-Parent Report (WFIRS-P) in a clinical sample of children with aggressive behavior. Qual. Life Res., 28 (1). S. 241 - 252. DORDRECHT: SPRINGER. ISSN 1573-2649

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Abstract

PurposeTo evaluate the psychometric properties of a German modification of the Weiss Functional Impairment Rating ScaleParent Report for children with aggressive and oppositional behavior problems (WFIRS-P for ODD/CD).MethodsData were collected from a clinical sample of children (6-12 years; 96% boys) with oppositional defiant disorder (ODD) and conduct disorder (CD) (N=219). The WFIRS-P conceptual framework was evaluated using confirmatory factor analyses (CFA). Reliability was estimated using internal consistency (Cronbach's alpha) and omega statistics. Validity was assessed through correlations between WFIRS-P for ODD/CD domain scores and parent-rated scales on symptoms of ODD, CD, attention-deficit/hyperactivity disorder (ADHD), a broad range of other behavioral and emotional problems, and scales on health-related quality of life and family burden.ResultsCFA of the WFIRS-P for ODD/CD revealed that a bifactor model, with a general factor accounting for common variance ((H)=0.23-0.48) and independent specific group factors accounting for additional variance in item scores ((S)=0.37-0.60), best fits the data. Thus, CFA confirmed the theoretical assumption of a general construct of impairment (total scale) and additional specific impairments (subscales, e.g., family, social activities). Cronbach's alpha coefficient exceeded 0.70 for all subscales. Omega statistics showed that both the general construct and specific factors accounted for item variance. As expected, correlations with symptoms scales for ODD/CD and ADHD were low to moderate.ConclusionsThe use of the parent-rated WFIRS for ODD/CD in identifying ODD- and CD-related impairment in children is psychometrically supported. The scale can be employed to assess functional impairment in children with aggressive behavior problems.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Kernder, Teresa UNSPECIFIED UNSPECIFIED UNSPECIFIED Doepfner, Manfred UNSPECIFIED UNSPECIFIED UNSPECIFIED Dose, Christina UNSPECIFIED UNSPECIFIED UNSPECIFIED Goertz-Dorten, Anja UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-140090
DOI:	10.1007/s11136-018-2015-0
Journal or Publication Title:	Qual. Life Res.
Volume:	28
Number:	1
Page Range:	S. 241 - 252
Date:	2019
Publisher:	SPRINGER
Place of Publication:	DORDRECHT
ISSN:	1573-2649
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language QUALITY-OF-LIFE; FAMILY SCALE; CHILDHOOD; SYMPTOMS; BIFACTOR; IMPACT; KINDL Multiple languages Health Care Sciences & Services; Health Policy & Services; Public, Environmental & Occupational Health Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/14009