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The development of the St Andrew’s-Swansea Neurobehavioural Outcome Scale: validity and reliability of a new measure of neurobehavioural disability and social handicap. / Nick Alderman; Rodger LI Wood; Claire Williams
Brain Injury, Volume: 25, Issue: 1, Pages: 83 - 100
Swansea University Author: Wood, Rodger
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Primary objective: Neurobehavioural disability (NBD) has a major impact on long-term psychosocial outcome followingacquired brain injury (ABI). A recent review highlighted that a reliable and valid measure that can adequately capture thesubtle and varied characteristics of NBD has yet to be develope...
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Primary objective: Neurobehavioural disability (NBD) has a major impact on long-term psychosocial outcome followingacquired brain injury (ABI). A recent review highlighted that a reliable and valid measure that can adequately capture thesubtle and varied characteristics of NBD has yet to be developed. In this paper, the work underpinning the‘St Andrews-Swansea Neurobehavioural Outcome Scale’ (SASNOS) is described using a conceptual frameworkunderpinned by the WHO ICF. The intention is that SASNOS will provide a reliable and valid means of measuring NBD.Methods and procedures: Three hundred and thirty-six sets of ratings were made regarding ABI and neurologically healthysamples. The initial pool of 117 items was subjected to exploratory factor analysis and Rasch analysis. Reliability andvalidity of the new measure were determined using a range of appropriate statistical methods.Main outcomes: Forty-nine items were retained, falling into five principal factors. Content and construct validity arecalculated. SASNOS has excellent discriminant/diagnostic validity. Inter-rater and test–re-test reliability are good.Conclusions: SASNOS has a range of clinical and research applications and can be employed when measuring outcome. Thisnew measure will enable neurorehabilitation services to directly compare the clinical populations they serve using the sameframe of reference for NBD.
Acquired brain injury, neurorehabilitation, outcome measurement
College of Human and Health Sciences