The Occupational Self Assessment: Stability and the Ability to Detect Change over Time



Kielhofner, G and Dobria, Lidia and Forsyth, Kirsty and Kramer, Jessica (2010) The Occupational Self Assessment: Stability and the Ability to Detect Change over Time. OTJR: Occupation, Participation, Health, 30 (1). pp. 11-19. ISSN 1539-4492

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Abstract

The Occupational Self Assessment (OSA) was designed to guide collaborative treatment planning and measure client-reported change to document therapy outcomes. This study examined the stability of the OSA and its ability to detect changes in reported Competence and Values. The OSA was administered twice to 112 participants with disabilities 58 to 650 days apart. A Rasch rating scale model was used to analyze the data and determine the stability. Competence and Values items were stable over time. The Competence rating scale was used by participants in the same manner at both administrations. However, the Values rating scale was used differently at time 2; participants were less likely to use the Values rating scale category "More important" at time 2. Thirty-two percent and 49% of participants had significantly different measures at time 2 on Competence and Values scales, respectively. This study lends support for the use of the OSA as a client-reported outcome measure.

Item Type: Article
Divisions: School of Health Sciences > Occupational Therapy and Arts Therapies
Date Deposited: 13 Mar 2010 16:05
Last Modified: 19 Mar 2014 12:57
URI: http://eresearch.qmu.ac.uk/id/eprint/1334

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