The scientific foundation for the 5-Step Process

The 5-Step Process is based on the scientific method and a continuous-improvement philosophy known as Six Sigma. This philosophy follows a methodology known as DMAIC (Define-Measure-Analyse-Improve-Control).

Scientific method

  • Ask Question
  • Do Background Research
  • Construct Hypothesis Research
  • Test Hypothesis
  • Analyse results Draw conclusion
  • Report Result


PRRS 5- Step Process

  • Identify desired goals
  • Determine current status
  • Understand current constraints
  • Develop solutions options
  • Implement and monitor prefered solutions

Reference: Lean Six Sigma Black Belt Handbook 2nd ed. 2008. Villanova University.