Mistake-proofing, or poka-yoke in Japanese, means making sure that a specific task, or series of tasks, occurs without a hitch all the time. It fits well within the key Lean idea of avoiding waste. Indeed, why spend precious time discussing errors and trying to correct them? Is there not a better way?
Truly useful scorecards try to balance effort along different dimensions important to an organization’s performance. At the macro level, these dimensions often include financial health, customer satisfaction, internal operations, and learning and growth.