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| Criterion |  Innovation Lean Startup |  Operations Root Cause Analysis |  Facilitation Decision Jam |  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. | 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 decision is stuck, Decision Jam loosens the knot through structured separation of problem, idea, and selection. The format creates movement without jumping prematurely at the first seemingly elegant answer. | 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 | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 1-4 h | 60-90 min | 15-30 min |
Participantsdifferent | 2-8 | 3-8 | 4-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Problem Cluster, Prioritized Challenge, Experiment | Root cause notes, Countermeasures |
Tagsno overlap | LeanStartupValidationMVP | Root causeProblem solvingQualityIncident | FacilitationDecisionProblem solvingWorkshop | Root causeIncidentLeanProblem solving |