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| Criterion |  Product Discovery Solution Interview |  Product Strategy Lean Canvas |  UX Research Usability Testing |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | 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 product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-60 min je Interview | 45-90 min | 1-2 h je Session | 45-60 min |
Participantsdifferent | 5-10 Interviews | 1-6 | Based on research question | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Lean Canvas, Core Assumptions, Experiment Backlog | Usability Issues, Severity List, Recommendations | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ValidationInterviewsPrototype | StartupLeanAssumptionsBusiness model | ValidationUXPrototype | AssumptionsRiskExperimentsValidation |