Bank Service Quality (BSQ) Index

Abstract

Purpose This study aims to design and validate a new measuring instrument of service quality, and ultimately to establish a national service quality index for the banking sector. The primary contribution is the insight offered regarding what factors affect service quality and the BSQ Index, a national indicator reflecting the level of service quality within the banking sector. Design/methodology/approach A total of 3380 questionnaires were distributed to the customers of 21 commercial and Islamic banks, of which only 1,519 were deemed usable, yielding a response rate of 44.9 per cent. The proposed 29-item instrument has been empirically tested for unidimensionality, reliability and validity using both exploratory and confirmatory factor analysis. Findings A factorial analysis suggests that service quality has three dimensions namely “Systemization”, “Reliable Communication” and “Responsiveness”, and subsequent multiple regression analysis revealed that “Systemization” is the most important service quality dimension within the banking sector. The overall weighted BSQ Index of 4.00 implies that banking customers are generally pleased with the quality of services rendered by banking institutions. Practical implications The new Bank Service Quality Index (BSQ Index) is expected to be an important complement to traditional measures of economic performance, providing useful information to the banking institutions, shareholders, investors, government regulators, and customers. This composite index shall become an indicator reflecting the level of service quality in the banking institutions. Originality/value The results from the current study are crucial because previous studies have produced scales that bear a resemblance to SERVQUAL, a generic measure of service quality, which may not be totally adequate to assess the perceived quality in the banking sector. Thus, the present study captured customers' evaluation of service quality in a 29-item questionnaire exclusively adapted to the unique nature of the banking sector.

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