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| Criterion | ![]() Knowledge Modeling IBIS | ![]() Innovation Crazy 8s | ![]() Decision Making Assumption Surfacing |
|---|---|---|---|
Purposedifferent | 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. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 h | 8-15 min | 45-90 min |
Participantsdifferent | 2-8 | 1-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Sketch Set, Idea Shortlist, Direction Options | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | RationaleKnowledgeDecision | BrainstormingSketchingSpeedDivergenceDesign sprint | AssumptionsRiskDecisionDiscovery |
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