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| Criterion |  Innovation Design Thinking |  Product Strategy Lean Canvas |  Operations 5 Whys |
|---|---|---|---|
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. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 1 Tag bis mehrere Wochen | 45-90 min | 15-30 min |
Participantsdifferent | 4-10 | 1-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Lean Canvas, Core Assumptions, Experiment Backlog | Root cause notes, Countermeasures |
Tagsno overlap | InnovationPrototypeResearch | StartupLeanAssumptionsBusiness model | Root causeIncidentLeanProblem solving |
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