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5. Health related quality of life measurement in longitudinal studies

Health related quality of life measurement in longitudinal studies

来源 :上海交通大学 | 被引量 : 0次 | 上传用户：abcprint

【摘 要】

：

Item Response Theory(IRT)models represent a well-known instrument to measure latent variables on the basis of the observed responses to a set of items.In their original formulation IRT models assume t

【作 者】

：

Silvia Bacci Francesco Bartolucci Mounir Mesbah 

【机 构】

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Department of Economics,University of Perugia,Via A.Pascoli 20,06123,Perugia,Italy

【出 处】

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上海交通大学

【发表日期】

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2016年4期

【关键词】

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Finite-mixture model Item Response Theory Latent class model Multidimensionality 

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　　Item Response Theory(IRT)models represent a well-known instrument to measure latent variables on the basis of the observed responses to a set of items.In their original formulation IRT models assume the normality of the latent trait and the unidimensionality.

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