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| Criterion |  UX Research Personas |  Agile Specification by Example |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | When target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions. | 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 | 1-3 Tage | 60-90 min pro Feature | 15-30 min |
Participantsdifferent | Internes Team | 3-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Example Table, Acceptance Tests | Root cause notes, Countermeasures |
Tagsno overlap | ResearchCustomerSynthesis | AgileRequirementsExamplesBehavior-Driven Development | Root causeIncidentLeanProblem solving |
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