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| Criterion |  Product Discovery Context Canvas |  Operations Fault Tree Analysis |  Innovation Reverse Brainstorming |  Innovation 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. | 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. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 45-90 min | 2-6 h | 30-60 min | 30-60 min |
Participantsdifferent | 3-10 | 3-8 | 3-12 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Context canvas, Open questions, Shared context notes | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Reverse Ideas, Risk Themes, Solution Ideas | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | ContextFramingRequirementsCanvas | RiskRoot causeSafety | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityWorkshopDivergence |