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A review of twenty years of SERVQUAL research

Riadh Ladhari (Faculty of Business Administration, Laval University, Québec, Canada)

International Journal of Quality and Service Sciences

ISSN: 1756-669X

Article publication date: 3 July 2009




This paper reviews 20 years (1988‐2008) of research on the SERVQUAL scale for measuring service quality.


A range of studies that have applied the SERVQUAL scale in this 20‐year period are examined in a non‐exhaustive review of the literature. These studies are selected from well‐known databases – such as “ABI/Inform”, “ScienceDirect”, and “EBSCOhost”.


The paper identifies and summarizes numerous theoretical and empirical criticisms of the SERVQUAL scale. Despite these criticisms, the paper concludes that SERVQUAL remains a useful instrument for service‐quality research.


The paper provides a useful source of information on SERVQUAL and its applications. In particular, the paper summarizes a selection of 30 applications of SERVQUAL.



Ladhari, R. (2009), "A review of twenty years of SERVQUAL research", International Journal of Quality and Service Sciences, Vol. 1 No. 2, pp. 172-198.



Emerald Group Publishing Limited

Copyright © 2009, Emerald Group Publishing Limited

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