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Toward a Better “Person–Environment Fit” through Items Calibration of the SIS-C - SID

Toward a Better “Person–Environment Fit” through Items Calibration of the SIS-C

SID > Documentación destacada sobre discapacidad > Toward a Better “Person–Environment Fit” through Items Calibration of the SIS-C

Autor/es

  • Arias González, Víctor B.(aut.)
  • Amor, Antonio M.(aut.)
  • Verdugo, Miguel A.(aut.)
  • Fernández-Mateos, Luz María(aut.)
  • Arias Martínez, Benito(aut.)
  • Aza Hernández, Alba(aut.)

Publicación

International Journal of Environmental Research and Public Health,

Año de publicación

2020

Categorías

Resumen

The Supports Intensity Scale–Children’s Version (SIS-C) is the only available tool to assess extraordinary support needs for children and adolescents with intellectual disability. In past years, several works have proclaimed the need for its ongoing improvement as a measurement instrument. To contribute to this line of research, the goal of this work is to analyze the reliability of the SIS-C and its usefulness to distinguish between different levels of intensity of support needs. To address this, 814 children and adolescents with intellectual disability (M = 11.13 years; SD = 3.41) were assessed using the SIS-C Spanish version. Item response theory analyses were conducted to estimate latent scores and assess measurement quality along the support needs continuum. The SIS-C items showed good overall discrimination and information values, and none showed problems that required their removal or modification. However, all the scales composing the SIS-C showed problems in discerning high levels of intensity of support needs, especially for children and adolescents with severe/profound intellectual disability. This ceiling effect may be an obstacle for both research and practice involving the SIS-C. Implications for research and practice are discussed, and future lines of research for improving the SIS-C are provided.

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