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Impact of usability on process lead-time in information systems: A case study

Journal article
Authors P. Joshi
Azin Akbari
Richard Berntsson Svensson
Published in Journal of Systems and Software
Volume 148
Pages 148-169
ISSN 0164-1212
Publication year 2019
Published at Department of Computer Science and Engineering (GU)
Pages 148-169
Language en
Keywords Case study, Information systems, Process lead-time, Usability, Commerce, Product design, Usability engineering, Design and development process, Leadtime, Performance metrices, Product development organizations, Technological advancement, Think aloud, Usability factors, Information use
Subject categories Software Engineering


Technological advancements have started to demand the need for information systems to survive in the business world. There is an inherent need to be fast and efficient to conquer the market. In order to reduce time to market there is a need to shorten the lead-time in design and development process of products. Hence, lead-time is a significant performance metric for a product development organizations having information systems. It is important to explore the factors which affect the process lead-time in information systems. The objective of this study is to explore the impact that usability (one of the factors that may affect the process lead-time) has on process lead-time. This paper presents a case study involving qualitative and quantitate data from Volvo Group, which uses an information system called KOLA for their design and development process. Data was collected through 29 interviews, 17 think aloud sessions, 5 document studies, and 73 responses from a survey. This study identifies which usability factors and heuristics that have an impact on process lead-time. Moreover, the results show that the users level of experience determines the effective utilization of accelerators and thereby affecting the process lead-time. Finally, usability plays an important role in shortening the process lead-time in information systems. © 2018 Elsevier Inc.

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