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Development of a new Rasch-based scoring algorithm for the National Eye Institute Visual Functioning Questionnaire to improve its interpretability

Abstract Background The NEI VFQ-25 has undergone psychometric evaluation in patients with varying ocular conditions and the general population. However, important limitations which may affect the interpretation of clinical trial results have been previously identified, such as concerns with reliabil...

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Detalhes bibliográficos
Publicado no:Health and Quality of Life Outcomes
Main Authors: Jennifer Petrillo, Neil M. Bressler, Ecosse Lamoureux, Alberto Ferreira, Stefan Cano
Formato: Artigo
Publicado em: BMC 2017-08-01
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Acesso em linha:http://link.springer.com/article/10.1186/s12955-017-0726-5
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