Title: Mistake-Proofing and Poka-Yoke with Martin Hinckley *

Mistake-proofing expert Martin Hinckley, president of Assured Quality and author of "Make No Mistake: An Outcome-Based Approach to Mistake-Proofing," joins Mark to discuss why rare mistakes require a fundamentally different approach than statistical variation -- and why traditional inspection can never fully control them. Episode page with links and more http://leanblog.org/42  They cover the difference between mistakes and variation, why Six Sigma alone couldn't get defect rates where companies like Motorola and GE Aircraft Engines wanted them, the real meaning of poka-yoke, and why effective mistake-proofing always makes the work easier rather than more complex. Re-mastered audio, April 2026