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| Criterion |  Innovation Brainwriting |  Decision Making Pre-Mortem |  Product Discovery Assumption Mapping |  Decision Making Constraint Analysis |
|---|---|---|---|---|
Purposedifferent | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 15-30 min | 20–45 min | 45-60 min | 30-90 min |
Participantsdifferent | 3-12 | Small cross-functional group | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Risk list, Mitigation plan, Assumption log | Assumption map, Test backlog, Risk ranking | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | RiskDecisionFailurePlanning | AssumptionsRiskExperimentsValidation | ConstraintsDecisionPlanningOptions |