Re-evaluating a vision-related quality of life questionnaire with item response theory (IRT) and differential item functioning (DIF) analyses
2008 ◽
Vol 61
(3)
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pp. 268-276
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Keyword(s):
2007 ◽
Vol 84
(8)
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pp. 710-720
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2003 ◽
Vol 3
(6)
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pp. 783-791
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Keyword(s):
2004 ◽
Vol 68
(1)
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pp. 91-105
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