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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
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Rigotti, Thomas; Schyns, Birgit; Mohr, Gisela – Journal of Career Assessment, 2008
Occupational self-efficacy is an important resource for individuals in organizations. To be able to compare the occupational self-efficacy of employees across different countries, equivalent versions of the standard instruments need to be made available in different languages. In this article, the authors report on the structural and construct…
Descriptors: Self Efficacy, Construct Validity, Foreign Countries, Comparative Education