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Reference.org
Poka-yoke
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<p>Poka-yoke (ポカヨケ, [poka joke]) is any mechanism in a process that helps an equipment operator to avoid mistakes and defects by preventing, correcting, or drawing attention to <a href="/facts/Human_error/DjcKhpy6">human errors</a> as they occur. It is a Japanese term that means "mistake-proofing" or "error prevention", and is also sometimes referred to as a forcing function or a behavior-shaping constraint. </p><p>The concept was formalized, and the term adopted, by <a href="/facts/Shigeo_Shingo/CPSGJ0M1">Shigeo Shingo</a> as part of the <a href="/facts/Toyota_Production_System/cSLEm5Rq">Toyota Production System</a>. </p>