Optimizing measurement of vision-related quality of life: a computerized adaptive test for the impact of vision impairment questionnaire (IVI-CAT).

Purpose: To compare the results from a simulated computerized adaptive test (CAT) for the 28-item Impact of Vision Impairment (IVI) questionnaire and the original paper-pencil version in terms of efficiency (main outcome), defined as percentage item reduction.Methods: Using paper-pencil IVI data fro...

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Bibliographic Details

Published in:	Quality of Life Research Vol. 29; no. 3; pp. 765 - 775
Main Authors:	Fenwick, Eva K., Loe, Bao Sheng, Khadka, Jyoti, Man, Ryan E. K., Rees, Gwyn, Lamoureux, Ecosse L.
Format:	Journal Article
Published:	Springer Nature Mar2020
Online Access:	View this record in EBSCOhost