Journal article

The Outcomes and Impact Scale - Revised: the psychometric properties of a scale assessing the impact of service provision

S Koritsas, N Hagiliassis, C Cuzzillo

JOURNAL OF INTELLECTUAL DISABILITY RESEARCH | WILEY | Published : 2017

Abstract

BACKGROUND: The Outcomes and Impact Scale - Revised (O&IS-R) was developed to measure the impact of service provision on adults with disability. The aim of this research was to explore the psychometric properties of the scale following a recent revision. METHOD: Adults with disability and/or their carers or support workers participated in the research. Participants were recruited across Australia using a range of strategies and completed the scale in relation to a service or support that they nominated. Two forms of the scale were developed (easy and standard English), which could be completed in hardcopy or via a bespoke website. RESULTS: The O&IS-R demonstrated good internal consistency an..

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