Efficacy of the Supports Intensity Scale (SIS) to predict extraordinary support needs

Michael Wehmeyer, Theodore E. Chapman, Todd D. Little, James R. Thompson, Robert Schalock, Marc J. Tassé

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Data were collected on 274 adults to investigate the efficacy of the Supports Intensity Scale (SIS) as a tool to measure the support needs of individuals with intellectual and related developmental disabilities. Findings showed that SIS scores contributed significantly to a model that predicted greater levels of support need. Moreover, scores from different sections of the SIS made unique contributions to explaining variance associated with a variety of support need proxies. Finally, data suggest that the SIS measures a different construct than that measured by traditional assessments of personal competence. The implications of these findings for decision-making, including decisions affecting the disbursement of state developmental disability funding, are discussed.

Original languageEnglish
Pages (from-to)3-14
Number of pages12
JournalAmerican Journal on Intellectual and Developmental Disabilities
Volume114
Issue number1
DOIs
StatePublished - Jan 2009

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