AI Article Synopsis
- The Supports Intensity Scale (SIS) assesses the support needs of individuals with intellectual disabilities, aiming to evaluate its validity in a large sample of 14,862 participants.
- Confirmatory factor analysis confirmed the six-factor structure of the SIS, showing it is reliable across different genders, ages, and complexities of disabilities.
- However, full invariance was only observed among groups varying in disability severity, suggesting further research is needed to understand these differences and their implications.
Article Abstract
The Supports Intensity Scale (SIS) was developed to provide information on the support needs of persons with intellectual disability. Our aim here was to evaluate the factorial validity of the SIS in a sample of 14,862 persons with intellectual disability. The structure of the instrument as promulgated by the developers was tested and its stability evaluated across gender, age, disability complexity, and disability severity groups. Confirmatory factor analysis supported the originally proposed subscale structure. The six-factor structure yielded strict factorial invariance across gender, age, and disability complexity, whereas invariance of factor configuration was merely established across disability severity groups. Possible explanations and implications of these findings are discussed.
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| http://dx.doi.org/10.1352/1944-7558-115.4.327 | DOI Listing |
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