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| Criterion |  Operations A3 Problem Solving |  Operations Root Cause Analysis |  Innovation Brainstorming |  Innovation Design Charrette |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 45-90 min | 1-4 h | 30-60 min | Halber Tag bis mehrere Tage |
Participantsdifferent | 2-5 | 3-8 | 4-12 | 10-50 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Idea pool, Theme clusters, Shortlist | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction |
Tagsno overlap | LeanProblem solvingCoachingOperations | Root causeProblem solvingQualityIncident | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingWorkshopCollaborationIdeation |