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| Criterion |  Innovation Design Thinking |  Operations A3 Problem Solving |  Operations After-Action Review |  Innovation Design Sprint |
|---|---|---|---|---|
Purposedifferent | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. |
Complexitydifferent | High | Medium | Low | High |
Timedifferent | 1 Tag bis mehrere Wochen | 45-90 min | 20-45 min | 4-5 Tage |
Participantsdifferent | 4-10 | 2-5 | 3-12 | 5-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Prototype, Test Learnings | A3 Report, Action Plan, Root Cause Analysis | Lessons learned, Action items, Event summary | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | InnovationPrototypeResearch | LeanProblem solvingCoachingOperations | LearningOperationsImprovement | Design sprintPrototypeValidationInnovation |