Baka-Yoke: The Japanese term for 'foolproofing' or 'idiot proofing'. An older name of poka-yoke.Poka-Yoke: The common used term for 'mistake proofing'. The goal is not to prevent idiots from doing the wrong thing, but to make intelligent people do the right thing.
Both baka-yoke and poka-yoke are prevent mistakes rather than correct defects. Baka-yoke is focus on change from the person (fool or idiot). Poka-yoke is focus on process action (mistake).