Applying a Hybrid MCDM Model for Six Sigma Project Selection
Table 1
The influence dimensions and criteria of comprehensive PS in Six Sigma.
Dimensions
Influence criteria
Statements
Strategy ()
Meaningful to organization ()
The projects should contribute to process improvement within the organization.
Critical to quality ()
The selected projects should be critical for upgrading the quality of the product.
Variable is measurable ()
The response variables in the projects should be easily measurable for implementation.
Feasibility ()
Technical feasibility ()
Any project in Six Sigma should be technically feasible for the organization.
Resources are available ()
The resources of the organization should be available to support the project.
Time schedule ()
Project completion within four to six months should be feasible.
Impact on customers ()
Customer satisfaction ()
The projects for process improvement should be aimed at satisfying customer needs.
Customer complaints ()
The projects should reduce the complaints of the customers and increase the reliability of the products.
New business ()
The new project should not only consider present customers but also provide benefits to new customers in the future.
Impact on finance ()
ROI ()
Many projects in Six Sigma require the investment of equipment or human power to improve the process. The return of investment (ROI) of the project must be considered.
Cost reduction ()
The project for process improvement should upgrade the quality of products and reduce the cost of manufacturing.
Profit generation ()
The projects selected should increase the generation of profit for the organization.
Impact on operations ()
Reduction in cycle time ()
The projects for process improvement should not only improve the quality of products but also reduce the cycle time of relevant processes.
Upgrade operational performance ()
The projects should increase the unit time production quantity and upgrade the equipment’s utilization.
Improved in compliance and controls ()
The compliance and controls in operational systems should be improved by discussion and communication regarding project selection.
Impact on employees ()
Retaining rate ()
The retaining rate refers to the rate at which key employees were kept within the organization. The project selection in Six Sigma should support employee retention for the company.
Improved capability ()
Employees should be educated and trained to improve the capability of manufacturing processes and the performance of the organization.
