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Article: Validity of the Loewenstein Occupational Therapy Cognitive Assessment in People With Intellectual Disabilities
- Article from:
- The American Journal of Occupational Therapy
- Article date:
- July 1, 2009
- Author:
CopyrightCopyright American Occupational Therapy Association, Inc. Jul/Aug 2009. Provided by ProQuest LLC. (Hide copyright information)
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We examined the psychometric properties (internal consistency, concurrent criterion validity, and known-group validity) of the Loewenstein Occupational Therapy Cognitive Assessment (LOTCA) in people with intellectual disabilities. A total of 111 people with intellectual disabilities and 19 people with no disabilities were included. We used Cronbach's alpha, Spearman's rho, the Kruskal-Wallis test, and one-way analysis of variance for analysis, where appropriate. Results showed good internal consistency on Orientation, Visual Perception, Spatial Perception, Visuomotor Organization, and Thinking Operations subscales (Cronbach's ás = .82, .74, .76, .86, and .80, respectively), but not on the ...