Can we predict defect density in advance for software that’s going into production? – The answer is “yes”, if you apply statistical methods to requirements and run measurement programs for functional size and defect cost. The Six Sigma toolbox provides statistical methods for building such prediction models. This paper explains the basics of these statistical methods without going into the deta...

Purpose – To provide a sound discussion on the Six Sigma methodology and see how it fits in with other quality initiatives. Design/methodology/approach – A conceptual paper that takes at in-depth look at the origins, pros and cons of Six Sigma and how it relates to some of the other quality initiatives in industry. Findings – The immediate goal of Six Sigma is defect reduction. Reduced defects ...

Die auf statistischen Methoden basierende Prozessverbesserungsmethode Six Sigma wurde in den 80 ́ Jahren bei Motorola entwickelt und erlangte in der Industrie große Beachtung. Six Sigma Projekte folgen einer festgelegten Vorgehensweise mit definierten Rollen und den Projektphasen Define, Measure, Analyze, Improve und Control (DMAIC). Insgesamt gelten die Philosophie und Konzeption von Six Sigma ...

It is not possible to walk down the "Management" aisle at a bookstore without getting slapped in the face by a book about Six Sigma. Chances are your organization is either in the middle of a Six Sigma initiative, contemplating one, or at the very least wondering what all the fuss is about. Six Sigma is an approach to improving business processes, improving quality, and generating higher profit...

The competitiveness in the industrial environment has increased considerably and, as a direct consequence, the search for different techniques and management practices to achieve better performance in all processes have been a major concern for organizations interested in solidifying its global market presence. Companies are using models, philosophies and programs to improve their production pr...