Design and Application of New Quality Improvement Model: Kano Lean Six Sigma for Software Maintenance Project.

The continual changes in requirements impact the expectation about the quality of the product as well as the process, namely software project. In this paper, the various limitations that still exist in the software development process are presented. It is aimed to develop a new quality improvement model to enhance software quality without increasing effort, cost, and time. To achieve a software project of expected quality, a new quality improvement model, namely Kano Lean Six Sigma model (KLSS), is proposed. The KLSS model is used to identify the exact requirements for the software project from the customer's perspective. KLSS helps to categorize the requirements based on the nature of the defect, to eliminate the requirements of non-value processes and to implement the main functionality to meet the expectations of the customer. As regards our proposed software maintenance project, the method of development has been suitably tested in a leading IT company. The model has shown greater improvement in quality, cost, and efforts. [ABSTRACT FROM AUTHOR]