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ERIC Number: EJ809853
Record Type: Journal
Publication Date: 2008-Sep
Pages: 11
Abstractor: As Provided
Reference Count: 60
ISBN: N/A
ISSN: ISSN-1040-3590
Analyzing the Convergent and Discriminant Validity of States and Traits: Development and Applications of Multimethod Latent State-Trait Models
Courvoisier, Delphine S.; Nussbeck, Fridtjof W.; Eid, Michael; Geiser, Christian; Cole, David A.
Psychological Assessment, v20 n3 p270-280 Sep 2008
The analysis of convergent and discriminant validity is an integral part of the construct validation process. Models for analyzing the convergent and discriminant validity have typically been developed for cross-sectional data. There exist, however, only a few approaches for longitudinal data that can be applied for analyzing the construct validity of fluctuating states. In this article, the authors show how models of latent state-trait theory can be combined with models of multitrait-multimethod analysis to develop a model that allows for analyzing convergent and discriminant validity in time: the multimethod latent state-trait model. The model allows for identifying different sources of variance (trait consistency, trait-method specificity, occasion-specific consistency, occasion-specific method specificity, and unreliability). It is applied to the repeated measurement of depression and anxiety in children, which was assessed by self and teacher reports (N = 375). The application shows that the proposed models fit the data well and allow a deeper understanding of method effects in clinical assessment. (Contains 1 figure, 3 tables, and 2 footnotes.)
American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A