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| Criterion |  Innovation Double Diamond |  Product Strategy ICE Scoring |  Knowledge Modeling IBIS |  Decision Making Decision Matrix |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | Wochen bis Monate | 30-60 min | 1-3 h | 45-90 min |
Participantsdifferent | 3-12 | 2-8 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | ICE Table, Top Idea List | Issue Map, Positions, Argument Notes | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | ProcessDivergenceInnovation | PrioritizationScoringGrowthDecision | RationaleKnowledgeDecision | DecisionCriteriaScoringTradeoffs |