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Visual disability variables : the importance and difficulty of activity goals for a sample of low-vision patients
MASSOF RW; HSU CT; BAKER FH; BARNETT G; PARK WL; DEREMEIK JT; RAINEY C; EPSTEIN C
ARCH PHYS MED REHABIL , 2005, vol. 86, n° 5, p. 946-953 Doc n°: 121002 Localisation : Documentation IRR Descripteurs : AD911 - NEGLIGENCE VISUELLE
Article consultable sur : http://www.archives-pmr.org
Objective: To test the validity and reliability of latent trait measures estimated from ratings by low-vision patients of the importance and difficulty of selected activity goals. Design: Validation of a telephone-administered functional assessment instrument using Rasch analysis of self-assessment ratings. Setting: Telephone interviews of respondents in their homes. Participants: Consecutive series of 600 outpatients with low vision. Interventions: Not applicable. Main Outcome Measures: Ratings of the importance and difficulty of achieving 41 activity goals. Person and item traits were measured with the Andrich rating scale model. Measurement validity and reliability were tested statistically by comparing response patterns and distributions with measurement model expectations. Results: Patients could distinguish only Langue : ANGLAIS |
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