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| Criterion |  Product Discovery Assumption Mapping |  Product Strategy Lean Canvas |  Operations Failure Mode and Effects Analysis |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 45-60 min | 45-90 min | 2-6 h | 30-60 min |
Participantsdifferent | 2-8 | 1-6 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Lean Canvas, Core Assumptions, Experiment Backlog | FMEA Table, Risk Priority, Mitigation Actions | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | AssumptionsRiskExperimentsValidation | StartupLeanAssumptionsBusiness model | RiskQualityOperationsRoot cause | Root causeQualityOperations |