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| Criterion |  Innovation Lean Startup |  Knowledge Modeling IBIS |  Operations 5 Whys |
|---|---|---|---|
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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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 | Medium | Medium | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 1-3 h | 15-30 min |
Participantsdifferent | 2-8 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Issue Map, Positions, Argument Notes | Root cause notes, Countermeasures |
Tagsno overlap | LeanStartupValidationMVP | RationaleKnowledgeDecision | Root causeIncidentLeanProblem solving |
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