Scale purification: state-of-the-art review and guidelines

Wieland, A, Kock, F and Josiassen, A 2018, 'Scale purification: state-of-the-art review and guidelines', International Journal of Contemporary Hospitality Management, vol. 30, no. 11, pp. 3346-3362.


Document type: Journal Article
Collection: Journal Articles

Title Scale purification: state-of-the-art review and guidelines
Author(s) Wieland, A
Kock, F
Josiassen, A
Year 2018
Journal name International Journal of Contemporary Hospitality Management
Volume number 30
Issue number 11
Start page 3346
End page 3362
Total pages 17
Publisher Emerald Group Publishing Ltd.
Abstract Purpose: This paper aims to identify scale purification criteria for both uni- and multidimensional reflective scales and apply these criteria to an evaluation of the methodological status quo of the hospitality literature. Design/methodology/approach: Based on a literature review, the authors develop a taxonomy of statistical and judgmental criteria across scale levels, from which best practices are derived. Recent publications in leading hospitality journals are then evaluated based on these scale purification steps. Findings: The authors uncover a lack of transparency when reporting scale purification practices. Moreover, methodological steps are often entirely omitted or insufficiently followed, especially when it comes to judgmental scale purification practices. Research limitations/implications: The authors focus on reflective scales in the hospitality discipline. Methodological traditions in other fields might lead to different results if the chosen approach was to be repeated there. Practical implications: The authors provide a set of suggestions that will help researchers in hospitality and adjacent disciplines to greater consensus and consistency of application regarding the methodological steps when carrying out scale purification in reflective scales. Originality/value: Application of scale purification in hospitality research has been scarce. The authors extend existing research and provide the most comprehensive study so far of present and best scale purification practices, using both statistical and judgmental criteria.
Subject Hospitality Management
Keyword(s) Parsimony
Reliability
Scale development
Scale purification
Scale validation
Validity
DOI - identifier 10.1108/ijchm-11-2017-0740
Copyright notice © Emerald Publishing Limited
ISSN 0959-6119
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