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| Criterion |  Innovation Double Diamond |  Innovation Contradiction Analysis |  Innovation Design Thinking |  Operations 5 Whys |
|---|---|---|---|---|
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. | When a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | Wochen bis Monate | 60-120 min | 1 Tag bis mehrere Wochen | 15-30 min |
Participantsdifferent | 3-12 | 2-8 | 4-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Problem Statement, Prototype, Test Learnings | Root cause notes, Countermeasures |
Tagsno overlap | ProcessDivergenceInnovation | ContradictionsInnovationProblem solving | InnovationPrototypeResearch | Root causeIncidentLeanProblem solving |