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| Criterion |  Product Strategy ICE Scoring |  Innovation Reverse Brainstorming |  Innovation Brainstorming |  Decision Making Risk Matrix |
|---|---|---|---|---|
Purposedifferent | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | 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. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. |
Complexitysame | Low | Low | Low | Low |
Timesame | 30-60 min | 30-60 min | 30-60 min | 30-60 min |
Participantsdifferent | 2-8 | 3-12 | 4-12 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | ICE Table, Top Idea List | Reverse Ideas, Risk Themes, Solution Ideas | Idea pool, Theme clusters, Shortlist | Risk Matrix, Top Risk List |
Tagsno overlap | PrioritizationScoringGrowthDecision | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityWorkshopDivergence | RiskDecisionPrioritizationAssessment |