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Reconsidering the problem of data equivalence in international marketing research: Contrasting approaches based on CFA and the Rasch model for measurement

Thomas Salzberger (Vienna University of Economics and Business Administration, Vienna, Austria)
Rudolf R. Sinkovics (Manchester Business School, UK)

International Marketing Review

ISSN: 0265-1335

Article publication date: 1 July 2006

2087

Abstract

Purpose

The paper investigates the suitability of the Rasch model for establishing data equivalence. The results based on a real data set are contrasted with findings from standard procedures based on CFA methods.

Design/methodology/approach

Sinkovics et al.'s data on technophobia was used and re‐evaluated using both classical test theory (CTT) (multiple‐group structural equations modelling) and Rasch measurement theory.

Findings

Data equivalence in particular and measurement in general cannot be addressed without reference to theory. While both procedures can be considered best practice approaches within their respective theoretical foundation of measurement, the Rasch model provides some theoretical virtues. Measurement derived from data that fit the Rasch model seems to be approximated by classical procedures reasonably well. However, the reverse is not necessarily true.

Practical implications

The more widespread application of Rasch models would lead to a stronger justification of measurement, in particular, in cross‐cultural studies but also whenever measures of individual respondents are of interest.

Originality/value

Measurement models outside the framework of CTT are still scarce exceptions in marketing research.

Keywords

Citation

Salzberger, T. and Sinkovics, R.R. (2006), "Reconsidering the problem of data equivalence in international marketing research: Contrasting approaches based on CFA and the Rasch model for measurement", International Marketing Review, Vol. 23 No. 4, pp. 390-417. https://doi.org/10.1108/02651330610678976

Publisher

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Emerald Group Publishing Limited

Copyright © 2006, Emerald Group Publishing Limited

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