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| Criterion |  Operations Fault Tree Analysis |  UX Design Lean UX Canvas |  Innovation Design Sprint |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | 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. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | High | Medium | High | Low |
Timedifferent | 2-6 h | 2-3 h | 4-5 Tage | 30-60 min |
Participantsdifferent | 3-8 | 3-8 | 5-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Completed Lean UX Canvas, Hypothesis list, First experiment | Prototype, Test Findings, Decision Rationale | Completed Experiment Canvas, Success Metric |
Tagsno overlap | RiskRoot causeSafety | CanvasHypothesisOutcomesDiscovery | Design sprintPrototypeValidationInnovation | ExperimentsValidationDiscoveryHypothesis |