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| Criterion |  Product Strategy DIBB |  Innovation Reverse Brainstorming |  Innovation Brainstorming |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1-2 h | 30-60 min | 30-60 min | 45-90 min |
Participantsdifferent | 2-8 | 3-12 | 4-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | DIBB document, Belief list, Bet list, Learning report | Reverse Ideas, Risk Themes, Solution Ideas | Idea pool, Theme clusters, Shortlist | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | StrategyDecisionAssumptionsHypothesis | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityWorkshopDivergence | AssumptionsRiskDecisionDiscovery |