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Are Type, Frequency, and Daily Time Equally Valid Estimators of Support Needs in Children With Intellectual Disability? A Multitrait?Multimethod Analysis of the Supports Intensity Scale for Children (SIS-C)

Abstract: Support needs represent the intensity of support required by a person with a disability in order to take part in the activities related to normative human functioning. The Supports Intensity Scale for Children (SIS-C) is possibly the most promising tool for assessing and designing individualized support programs in children with intellectual disability. The SIS-C measures support needs across 61 activities, each one assessed along three methods: type of support, frequency, and daily time during which support is to be given. We investigated the impact of method effects in the SIS-C through a bifactor approach to the analysis of multitrait?multimethod matrices. The results suggest that neither intensity nor frequency scales produced method effects that significantly distorted the measurement of support needs. However, the daily support time method had substantial undesirable effects on five of the seven subscales of support needs. Considerations about support needs assessment and future modifications of the scale are discussed.

 Autoría: Verdugo M.A., Arias V.B., Guillén V.M.,

 Fuente: Assessment (Odessa, Fla.), 26(7), 1307-1319

Editorial: Sage Publications

 Año de publicación: 2017

Nº de páginas: 13

Tipo de publicación: Artículo de Revista

 DOI: 10.1177/1073191117732411

ISSN: 1073-1911,1552-3489

Proyecto español: PSI2012- 36278

Url de la publicación: https://doi.org/10.1177/1073191117732411