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| Criterion |  Product Strategy Lean Canvas |  Systems Thinking Evaporating Cloud |  Operations Causal Factor Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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 | High | Low |
Timedifferent | 45-90 min | 60-120 min | 2-6 h | 15-30 min |
Participantsdifferent | 1-6 | 2-8 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Root cause notes, Countermeasures |
Tagsno overlap | StartupLeanAssumptionsBusiness model | Theory of ConstraintsAssumptionsSystems thinking | CausalityIncidentRoot causeTimeline | Root causeIncidentLeanProblem solving |