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| Criterion |  Innovation Double Diamond |  Knowledge Modeling IBIS |  Decision Making Pre-Mortem |  Knowledge Modeling Domain Storytelling |
|---|---|---|---|---|
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. | 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. | 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. | Domain Storytelling translates domain knowledge into a shared narrative of actors, objects, and workflows. It is especially useful when language, rules, and process understanding must be tightly connected. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | Wochen bis Monate | 1-3 h | 20–45 min | 1-2 h |
Participantsdifferent | 3-12 | 2-8 | Small cross-functional group | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Issue Map, Positions, Argument Notes | Risk list, Mitigation plan, Assumption log | Domain Story, Glossary Notes, Process Narrative |
Tagsno overlap | ProcessDivergenceInnovation | RationaleKnowledgeDecision | RiskDecisionFailurePlanning | KnowledgeDomain-Driven DesignProcess |