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| Criterion |  Innovation Lean Startup |  Innovation Design Sprint |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 4-5 Tage | 1-3 h |
Participantsdifferent | 2-8 | 5-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prototype, Test Findings, Decision Rationale | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | LeanStartupValidationMVP | Design sprintPrototypeValidationInnovation | Root causeTreeIncidentQuality |
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