A3 Problem Solving
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
It forces the background, current situation, root cause, goal, countermeasures, plan, and follow-up of a problem to be condensed onto a single A3 sheet.
SCAFFOLDING EFFECT
Reduce cognitive load
Logic standardization. A3 is not just paper; it is a container for thinking. Due to limited space, it forces you to eliminate fluff and retain only the most core logical chain. If it cannot fit on one page, it means you have not yet grasped the key points.
Anchor fast decisions
Based on the 'one-page constraint' and 'PDCA visualization'. Spatial limitation forces de-duplication, stringing background-current situation-root cause-countermeasures-plan into a single logical chain, facilitating alignment and authorization.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/A3_problem_solvingverified
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