![]() ![]() Six Sigma can be defined as a project management methodology that determines how to improve the quality of products or services produced by a business organization through the removal of defects and errors. ![]() This philosophy involves combining various specialists into project groups for in-depth expert analysis and better decision making. Project-oriented organizations consider it the philosophy of making change to a process through statistical quality control and performance improvement. Its ultimate goal is to achieve the expected performance and minimize the variability of a process to ensure this process delivers an outcome that meets client specifications and financial projections. The method of Six Sigma in project management determines a set of best practices to change a process for better through eliminating defects and errors. Many processes in business are prone to being affected by special causes that undermine the overall process performance and break client expectations. Then the processes’ outcomes are expected to be free of defects and errors. The approach involves that business processes (production, selling, negotiating, and the like) need to be characterized against average performance and variation, so that decision makers will use these measures to figure out how the processes can be performed in an optimal way (equal or greater than the average performance level) and at the expected value (with minimal variation). The purpose of Six Sigma method is, provide an improvement mechanism to change a process or its component for higher effectiveness and efficiency. Higher Process Performance through Six Sigma ChangeĮverything that a business organization carries out can be regarded as a process (or part of a process). Since that time, Six Sigma cycle has been adopted in other business processes, and today it is widely used by businesses to identify and eliminate the causes of lower process performance and to minimize process variation. The methodology was originally implemented by Motorola in early 80s, when the corporation wanted to formulate a strategy which could minimize the risk of project failure in production process. Initially, Sig Sigma defines that 99.99966% of the products manufactured are expected to be free of defects (no more than 3.4 defects per million or, in practical terms, zero defects). The gurus, who developed the fundamentals and best practices of quality management (such as William Deming, Philip Crosby, Joseph Juran, and many others), provided Six Sigma definition and made detailed prescriptions for successful quality improvement programmes. What is the Definition of Six Sigma Method? Furthermore, those companies need to consider the critical success factors and find out how to perform their improvement programmes using the popular approach. Many companies today prefer this method to traditional project management, regardless of the failure rate that ranges from 35% to 75% of all Lean and Six Sigma projects. The definition and implementation of Six Sigma method within business environment let establish the DMAIC cycle and follow best practices of quality control and assurance. The method of Six Sigma in project management (PM) determines a specific set of practices and business strategies that enable organizations to enhance the quality of their products/services and to exploit process improvement opportunities.
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