Degree Name

Doctor of Philosophy


School of Information Technology and Computer Science - Faculty of Informatics


As more and more businesses move online, research into the determinants and measurement of online service quality has become a research imperative (Zeithaml et al., 2000; Bitner, Parasuraman et al., 2005). Notwithstanding, research in this area is still in its infancy and much of the existing research is largely anecdotal, centering on consumer perceptions and ignoring the business customer perspective. As a result, to date, limited insights have been gained. This study represents a first attempt at addressing this gap in the scholarly literature. A two-phase study design was used to 1) explore the meaning of B2B online service quality, 2) identify its key determinants and 3) develop a valid and reliable measure for the construct. In Phase I of the study, 16 in-depth interviews with business customers from a range of industry sectors were conducted. Results revealed that business customers expect online service levels at least equal to that provided in offline service environments. The results also revealed that business customer’s assessment of online service quality is formed across ten key determinants: Website Design, Ease of Use, Technical Reliability, Usefulness, Intuitiveness, Presentation, Accuracy, Availability, Service Reliability and Flexibility. In Phase II of the study, a measure of online service quality (OLSQ scale) was developed and empirically tested and validated from data collected from 699 customers of a large Australian corporate supplier. Items included in the measure were derived from the Phase I interviews and refined through an expert review process. Two plausible measurement models were then specified and data-model fit of each of the models examined. A second-order factor structure, comprising three dimensions, Service Quality, Web Quality and Technical Quality, consisting of 20 items was derived from the evaluation. Validity and reliability of the measure were then assessed and confirmed. Collectively, the results provide support for the soundness of the measure’s factor structure and its psychometric properties. The attributes of OLSQ identified in this study provide a starting point on which providers can base the development of their online service strategy and modifications to strategy as customer needs and expectations change over time. In order to do this, providers need a valid and reliable instrument to gather information about customer service requirements and indicators of the quality of their online service offering as perceived by customers. It is envisaged that the OLSQ measure will also act as a diagnostic tool, assisting providers in pinpointing weaknesses in their online service strategy, enabling them to take corrective action where necessary. The results of this study also provide a starting point from which providers can base future research into the determinants and measurement of B2B online service quality.

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Unless otherwise indicated, the views expressed in this thesis are those of the author and do not necessarily represent the views of the University of Wollongong.