International Journal of Quality & Reliability Management: Volume 27 Issue 3

Six Sigma quality: a structured review and implications for future research

Mohamed Gamal Aboelmaged

This paper aims to clarify emerging aspects and trends of Six Sigma literature over 17 years, from 1992 to 2008.

Normal approximation through data replication when estimating DisPMO, DePMO, left‐side and right‐side Sigma levels from non‐normal data

Djoko Setijono

This paper seeks to present a way of estimating DisPMO, DePMO, left‐side and right‐side Sigma levels (as the “mutations” of DPMO and Sigma level when applied on customer…

Using net present value methods to evaluate quality improvement projects

Valerie G. Caryer Cook, Ahad Ali

This paper aims to propose the use of net present value methods to derive the quality costs of quality improvement projects. The proposed methodology is then demonstrated in a…

Comparative evaluation of critical factors in delivering service quality of banks: An application of dominance analysis in modified SERVQUAL model

Mukesh Kumar, Fong Tat Kee, Vincent Charles

This study aims to find the differences in the service quality (if any) between two types of banks, namely conventional and Islamic, in terms of common critical factors after…

Cost analysis for a deteriorating system using monotone processes with warranty

Sarada Yedida, Mubashir Unnissa Munavar

The purpose of this paper is to investigate preventive‐repair warranty policies for repairable deteriorating systems using Zhang's geometric process repair model.