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| Criterion |  Innovation TRIZ |  Decision Making Pre-Mortem |  Innovation Reverse Brainstorming |
|---|---|---|---|
Purposedifferent | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | 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. | 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. |
Complexitydifferent | High | Low | Low |
Timedifferent | 1-4 h | 20–45 min | 30-60 min |
Participantsdifferent | 2-8 | Small cross-functional group | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Contradiction Statement, Inventive Principles, Solution Concepts | Risk list, Mitigation plan, Assumption log | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | InnovationProblem solvingContradictionsCreativity | RiskDecisionFailurePlanning | BrainstormingIdeationCreativityRisk |
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