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| Criterion |  UX Research Personas |  Product Strategy Lean Canvas |  UX Research Empathy Mapping |  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 an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | When a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | 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 | Low |
Timedifferent | 1-3 Tage | 45-90 min | 30–60 min | 15-30 min |
Participantsdifferent | Internes Team | 1-6 | 4-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Lean Canvas, Core Assumptions, Experiment Backlog | Empathy Map, Assumptions List, Research Gaps | Root cause notes, Countermeasures |
Tagsno overlap | ResearchCustomerSynthesis | StartupLeanAssumptionsBusiness model | SynthesisQualitativeWorkshop | Root causeIncidentLeanProblem solving |