Research article summary (published 29 Jun 2009):

Validity of the Loewenstein occupational therapy cognitive assessment in people with intellectual disabilities.

Full Abstract

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 alphas = .82, .74, .76, .86, and .80, respectively), but not on the Motor Praxis subscale (alpha = .48). We found significant correlations between participants' performance on the Pictorial IQ test and disability level and scores on the LOTCA. The known-group validity of the LOTCA in people with intellectual disabilities was satisfactory. We concluded that the LOTCA is a suitable instrument for measuring cognitive abilities and visual perception in people with intellectual disabilities.

Author information

Author/s: Jang, Yuh (Y); Chern, Jen-suh (JS); Lin, Keh-chung (KC);

Affiliation: School of Occupational Therapy, College of Medicine, National Taiwan University, Taipei, Taiwan.

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Validation Studies

Journal: The American journal of occupational therapy. : official publication of the American Occupational Therapy Association (Am J Occup Ther), published in United States. (Language: eng)

Reference: -2009 Jul-Aug; vol 63 (issue 4) : pp 414-22

Dates: Created 2009/08/27; Completed 2009/10/13;

PMID: 19708470, status: MEDLINE (last retrieval date: 10/13/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adolescent Adult Case-Control Studies Cognition Disorders - diagnosis Female Humans

Intelligence Tests Male Mentally Disabled Persons Occupational Therapy Rehabilitation, Vocational Young Adult

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