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Lean Six Sigma - Improve Phase Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What is the main goal of the Improve phase in DMAIC?✔✔To implement and test solutions that eliminate root causes of problems.
What Lean Six Sigma tool helps compare current and future process performance?✔✔Before-and-after process maps.
What is a common way to test a potential improvement before full implementation?✔✔Pilot study or pilot test.
What does the term “solution prioritization” refer to?✔✔Ranking improvement ideas based on impact and feasibility.
What tool is used to visually display and compare potential solutions across multiple criteria?✔✔Solution selection matrix.
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What Lean method involves generating a large number of improvement ideas quickly?✔✔Brainstorming.
What is the purpose of FMEA in the Improve phase?✔✔To assess risks of proposed changes and prevent failure.
How is process efficiency measured after implementing improvements?✔✔By comparing new performance data to baseline metrics.
What does the term “Kaizen event” mean in the Improve phase?✔✔A focused, short-term improvement activity involving a team.
Why is it important to involve frontline employees in the Improve phase?✔✔They provide practical insights and support successful implementation.
What is meant by “solution buy-in”?✔✔Getting stakeholder agreement and support for changes.
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How can you ensure improvements are effective before full deployment?✔✔Conduct controlled experiments or pilot runs.
What is a PDSA cycle used for in the Improve phase?✔✔To plan, do, study, and act on small tests of change.
What Lean tool is used to test quick, incremental improvements?✔✔Rapid improvement event.
What technique helps identify unintended consequences of an improvement idea?✔✔Risk analysis or FMEA.
What is the purpose of conducting a root cause validation before implementing solutions?✔✔To ensure the problem being solved is correctly understood.
Why is it important to document the solution implementation process?✔✔To standardize improvements and support sustainability.
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