Measurement Quality in Indicators of Compositions : a Compositional Multitrait-Multimethod Approach

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dc.contributor.author Coenders, Germà
dc.contributor.author Hlebec, Valentina
dc.contributor.author Kogovsek, Tina
dc.date.issued 2011
dc.identifier.citation Coenders,G., Hlebec,V., i Kogovsek, T. (2011). Measurement Quality in Indicators of Compositions : a Compositional Multitrait-Multimethod Approach. Survey Research Methods, 5 (2), 63-74. Recuperat 10 octubre de 2011, a http://w4.ub.uni-konstanz.de/srm/
dc.identifier.issn 1864-3361
dc.identifier.uri http://hdl.handle.net/10256/3616
dc.description.abstract Compositional data, also called multiplicative ipsative data, are common in survey research instruments in areas such as time use, budget expenditure and social networks. Compositional data are usually expressed as proportions of a total, whose sum can only be 1. Owing to their constrained nature, statistical analysis in general, and estimation of measurement quality with a confirmatory factor analysis model for multitrait-multimethod (MTMM) designs in particular are challenging tasks. Compositional data are highly non-normal, as they range within the 0-1 interval. One component can only increase if some other(s) decrease, which results in spurious negative correlations among components which cannot be accounted for by the MTMM model parameters. In this article we show how researchers can use the correlated uniqueness model for MTMM designs in order to evaluate measurement quality of compositional indicators. We suggest using the additive log ratio transformation of the data, discuss several approaches to deal with zero components and explain how the interpretation of MTMM designs di ers from the application to standard unconstrained data. We show an illustration of the method on data of social network composition expressed in percentages of partner, family, friends and other members in which we conclude that the faceto-face collection mode is generally superior to the telephone mode, although primacy e ects are higher in the face-to-face mode. Compositions of strong ties (such as partner) are measured with higher quality than those of weaker ties (such as other network members)
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher European Survey Research Association
dc.relation.ispartof © Survey Research Methods, 2011, vol. 5, núm. 2, p. 63-74
dc.relation.ispartofseries Articles publicats (D-EC)
dc.rights Tots els drets reservats
dc.subject Anàlisi multivariable
dc.subject Correlació (Estadística)
dc.subject Enquestes
dc.subject Xarxes socials -- Enquestes
dc.subject Correlation (Statistics)
dc.subject Multivariate analysis
dc.subject Social networks -- Surveys
dc.subject Surveys
dc.title Measurement Quality in Indicators of Compositions : a Compositional Multitrait-Multimethod Approach
dc.type info:eu-repo/semantics/article


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