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Six Sigma DMAIC Quick Reference - Improve Phase

By Patrick Waddick

Improve Phase
      Jump To:
         Deliverables
         Checkpoints
         Questions
         Tools
Six Sigma DMAIC Define Phase

(Select a phase and click 'Go' to view in detail)
 
Deliverables Of Phase:
Generate (and test) possible solutions, select the best solutions, design implementation plan.
 
Checkpoints For Completion:
Generating (and Testing) Possible Solutions
 Possible solutions generated and tested.
 
Selecting The Best Solution(s)
 Optimal solution selected based on testing and analysis.
 New and improved process ('should be') maps developed.
 Cost/benefit analysis of optimal solution(s).
 Small-scale pilot for proposed improvement(s).
 Pilot data collected and analyzed.
 Improved process ('should be') maps modified based on pilot data and analysis.
 Project impact on utilizing the best solution(s).
 
Designing Implementation Plan
 Solution implementation plan established, including schedule/work breakdown structure, resources, risk management plan, cost/budget, and control plan.
 Contingency plan established.
 
Questions To Determine Appropriate Application:
Generating (And Testing) Possible Solutions
 How did the team generate the list of possible solutions?
 What tools were used to tap into the creativity and encourage 'outside the box' thinking?
 
Selecting The Best Solution(s)
 What tools were used to evaluate the potential solutions?
 Were any criteria developed to assist the team in testing and evaluating potential solutions?
 What were the underlying assumptions on the cost-benefit analysis?
 Are there any constraints (technical, political, cultural, or otherwise) that would inhibit certain solutions?
 Was a pilot designed for the proposed solution(s)?
 Describe the design of the pilot and what tests were conducted, if any?
 What conclusions were drawn from the outcomes of the pilot?
 What lessons, if any, from the pilot were incorporated into the design of the full-scale solution?
 
Designing The Implementation Plan
 Is the improvement plan best served by using the DFSS approach?
 What is the implementation plan?
 What poka-yoke or error proofing will be done to address some of the discrepancies observed in the 'as is' process?
 What does the 'should be' process map/design look like?
 How does the solution remove the key sources of variation discovered in the analyze phase?
 What attendant changes will need to be made to ensure that the solution is successful?
 What communications are necessary to support the implementation of the solution?
 How will the team or the process owner(s) monitor the implementation plan to see that it is working as intended?
 What is the team's contingency plan for potential problems occurring in implementation?
 How will the organization know that the solution worked?
 What tools were most useful during the improve phase?
 
Useful Tools:
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