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ERIC Number: EJ627394
Record Type: Journal
Publication Date: 2001
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
ISSN: ISSN-1090-655X
Maintaining Instrument Quality while Reducing Items: Application of Rasch Analysis to a Self-Report of Visual Function.
Velozzo, Craig A.; Lai, Jin-Shei; Mallinson, Trudy; Hauselman, Ellyn
Journal of Outcome Measurement, v4 n3 p667-80 2000-2001
Studied how Rasch analysis could be used to reduce the number of items in an instrument while maintaining credible psychometric properties. Applied the approach to the Visual Function-14 developed to measure the need for and outcomes of cataract surgery. Results show how Rasch analysis can be useful in designing modifications of instruments. (SLD)
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A