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Direct linkGomez, Laura E.; Verdugo, Miguel Angel; Arias, Benito; Arias, Victor – Social Indicators Research, 2011
There is considerable debate in the area of individual quality of life research regarding the factor structure of the QOL construct that is focused on the number and composition of QOL factors and domains, and its hierarchical nature. The main goal of this study involve testing by means of confirmatory factor analyses five models that have been…
Descriptors: Quality of Life, Comparative Analysis, Models, Factor Analysis
Gomez, Laura E.; Arias, Benito; Verdugo, Miguel Angel; Navas, Patricia – Journal of Intellectual & Developmental Disability, 2012
Background: Most instruments that assess quality of life have been validated by means of the classical test theory (CTT). However, CTT limitations have resulted in the development of alternative models, such as the Rasch rating scale model (RSM). The main goal of this paper is testing and improving the psychometric properties of the INTEGRAL…
Descriptors: Evidence, Models, Mental Retardation, Quality of Life
