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| Criterion |  Innovation Double Diamond |  Agile Specification by Example |  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 business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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 | Low |
Timedifferent | Wochen bis Monate | 60-90 min pro Feature | 15-30 min |
Participantsdifferent | 3-12 | 3-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Example Table, Acceptance Tests | Root cause notes, Countermeasures |
Tagsno overlap | ProcessDivergenceInnovation | AgileRequirementsExamplesBehavior-Driven Development | Root causeIncidentLeanProblem solving |
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