Goodness-of-Fit Assessment in Multidimensional Scaling and Unfolding

Mair, Patrick and Borg, Ingwer and Rusch, Thomas (2016) Goodness-of-Fit Assessment in Multidimensional Scaling and Unfolding. Multivariate Behavioral Research, 51 (6). pp. 772-789. ISSN 1532-7906

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Abstract

Judging goodness of fit in multidimensional scaling requires a comprehensive set of diagnostic tools instead of relying on stress rules of thumb. This article elaborates on corresponding strategies and gives practical guidelines for researchers to obtain a clear picture of the goodness of fit of a solution. Special emphasis will be placed on the use of permutation tests. The second part of the article focuses on goodness-of-fit assessment of an important variant of multidimensional scaling called unfolding, which can be applied to a broad range of psychological data settings. Two real-life data sets are presented in order to walk the reader through the entire set of diagnostic measures, tests, and plots. R code is provided as supplementary information that makes the whole goodness-of-fit assessment workflow, as presented in this article, fully reproducible.

Item Type:	Article
Additional Information:	To see the final version of this paper please visit the publisher's website. Access to the published version requires a subscription.
Keywords:	Multidimensional scaling, unfolding, goodness-of-fit, permutation tests
Divisions:	Kompetenzzentren > Empirische Forschungsmethoden
Version of the Document:	Accepted for Publication
Depositing User:	Gertraud Novotny
Date Deposited:	20 Dec 2016 11:21
Last Modified:	02 Nov 2017 12:31
Related URLs:	Publisher http://www.tandfonline.com/toc/hmbr20/cu...
FIDES Link:	https://bach.wu.ac.at/d/research/results/78880/
URI:	https://epub.wu.ac.at/id/eprint/5354

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