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| Criterion |  Innovation Double Diamond |  Architecture arc42 |  Innovation Lotus Blossom |  Innovation Morphological Analysis |
|---|---|---|---|---|
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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | When a central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | Wochen bis Monate | 1-2 Tage | 45-90 min | 1-3 h |
Participantsdifferent | 3-12 | 1-4 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Architecture Document, Context View, Runtime View, Deployment View | Lotus Diagram, Idea Themes, Shortlist | Morphological Box, Concept Combinations, Idea Shortlist |
Tagsno overlap | ProcessDivergenceInnovation | ArchitectureDocumentationCommunication | BrainstormingIdeationCreativityDivergenceWorkshop | IdeationInnovationCreativity |