Poka-yoke

Posted by on Mar 29, 2009 in thoughts, usability | No Comments

Poka yoke, pronounced “POH-kah YOH-keh” — is a Japanese term that translates as “mistake-proofing” (from the Japanese yokeru (avoiding) and poka (inadvertent errors). A poka-yoke device is any mechanism that either prevents a mistake from being made or makes the mistake obvious at a glance. The idea is to prevent errors from being made in […]