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| Criterion |  Innovation Double Diamond |  Decision Making Pre-Mortem |  Innovation Design Charrette |  Innovation Reverse Brainstorming |
|---|---|---|---|---|
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. | 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. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. | 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 | Medium | Low | Medium | Low |
Timedifferent | Wochen bis Monate | 20–45 min | Halber Tag bis mehrere Tage | 30-60 min |
Participantsdifferent | 3-12 | Small cross-functional group | 10-50 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Risk list, Mitigation plan, Assumption log | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | ProcessDivergenceInnovation | RiskDecisionFailurePlanning | BrainstormingWorkshopCollaborationIdeation | BrainstormingIdeationCreativityRisk |