Editors: Robert L. Schalock, James R Thompson, and Marc J. Tassé
Authors: Wil Buntinx, Virginie Cobigo, Colleen McLaughlin, Diane Morin, Marc J. Tassé, and James R. Thompson
The purpose of this White Paper is to update the reader on three studies conducted to evaluate the reliability and validity of SIS. The first study, by Morin and Corbigo, describes the procedures used to determine the reliability and additional psychometric properties of the French version of SIS (SIS-F). The second study, by Thompson, Tassé, and McLaughlin, assesses three types of interrater reliability—interinterviewer, interrespondent, and mixed interrater—in the original English version of SIS. The third study, by Buntinx, evaluates the reliability and validity of the Dutch version of SIS. Collectively, results from these three studies further confirm the reliability and validity of the scale and underscore the need for systematic training on the administration of the Supports Intensity Scale.
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