Cross-Cultural Adaptation,Validity and Reliability of the Escala Pessoal de Resultados |
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Authors: | Cristina Simões Sofia Santos |
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Affiliation: | 1. Faculty of Human Kinetics, University of Lisbon, 1100, Lisbon, Portugal 2. Faculty of Human Kinetics, CEEE, UIDEF, University of Lisbon, 1100, Lisbon, Portugal
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Abstract: | The present article aims to examine the validity and reliability of the Portuguese version of Personal Outcomes Scale the Escala Pessoal de Resultados (EPR). This scale represents an instrument to measure the quality of life (QOL) in people with intellectual disabilities (ID). The study was initiated with the application of international guidelines in cross-cultural adaptation, culminating with an evaluation of 10 experts for the quantitative evidence of the content validity. All EPR’s items were considered relevant and there was a moderated agreement (k > .40) among the experts in the calculation of Cohen’s kappa, finding some coefficients’ that are considered as an excellent agreement (k > .75). In test field, our sample comprised 335 adults with ID on level of intermittent and limited support needs, even as the respective proxies. The scale showed an excellent internal consistency (α = .94). EPR’s construct validity indexes are also reported and discussed. The study provides EPR as a valid instrument for assess the QOL in ID field, and the scale seems to be useful for improvement of Portuguese rehabilitation practices and services. |
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