Universität zu Köln

Rodenacker, Klaas ORCID: 0000-0002-3569-4060, Hautmann, Christopher, Goertz-Dorten, Anja and Doepfner, Manfred (2016). Bifactor Models Show a Superior Model Fit: Examination of the Factorial Validity of Parent-Reported and Self-Reported Symptoms of Attention-Deficit/Hyperactivity Disorders in Children and Adolescents. Psychopathology, 49 (1). S. 31 - 40. BASEL: KARGER. ISSN 1423-033X

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Abstract

Background: Various studies have demonstrated that bifactor models yield better solutions than models with correlated factors. However, the kind of bifactor model that is most appropriate is yet to be examined. The current study is the first to test bifactor models across the full age range (11-18 years) of adolescents using self-reports, and the first to test bifactor models with German subjects and German questionnaires. Sampling and Methods: The study sample included children and adolescents aged between 6 and 18 years recruited from a German clinical sample (n = 1,081) and a German community sample (n = 642). To examine the factorial validity, we compared unidimensional, correlated factors and higher-order and bifactor models and further tested a modified incomplete bifactor model for measurement in-variance. Results: Bifactor models displayed superior model fit statistics compared to correlated factor models or second order models. However, a more parsimonious incomplete bifactor model with only 2 specific factors (inattention and impulsivity) showed a good model fit and a better factor structure than the other bifactor models. Scalar measurement invariance was given in most group comparisons. Conclusion: An incomplete bifactor model would suggest that the specific inattention and impulsivity factors represent entities separable from the general attention-deficit/hyperactivity disorder construct and might, therefore, give way to a new approach to subtyping of children beyond and above attention-deficit/hyperactivity disorder. (C) 2016 S. Karger AG, Basel

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Rodenacker, Klaas UNSPECIFIED orcid.org/0000-0002-3569-4060 UNSPECIFIED Hautmann, Christopher UNSPECIFIED UNSPECIFIED UNSPECIFIED Goertz-Dorten, Anja UNSPECIFIED UNSPECIFIED UNSPECIFIED Doepfner, Manfred UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-290414
DOI:	10.1159/000442295
Journal or Publication Title:	Psychopathology
Volume:	49
Number:	1
Page Range:	S. 31 - 40
Date:	2016
Publisher:	KARGER
Place of Publication:	BASEL
ISSN:	1423-033X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language TEMPERAMENT; INDEXES; ADHD Multiple languages Psychiatry Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/29041