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| Criterion |  Product Discovery Context Canvas |  Operations Fault Tree Analysis |  Innovation Rapid Ideation |  Innovation Reverse Brainstorming |
|---|---|---|---|---|
Purposedifferent | When an environment of users, systems, and constraints is hard to grasp, it puts the context compactly on the table. It creates a clear reading of influence, boundary, and dependency. | 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. | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 45-90 min | 2-6 h | 5-20 min | 30-60 min |
Participantsdifferent | 3-10 | 3-8 | 1-20 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Context canvas, Open questions, Shared context notes | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Ideenpool, Roh-Shortlist, Cluster | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | ContextFramingRequirementsCanvas | RiskRoot causeSafety | BrainstormingIdeationDivergenceSpeed | BrainstormingIdeationCreativityRisk |