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| Criterion |  Product Discovery Solution Interview |  Product Strategy GIST Planning |  Product Discovery Smoke Test |  Growth A/B Testing |
|---|---|---|---|---|
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. | GIST Planning helps clarify target groups, value, goals, and priorities. It links customer value, product logic, and decision priorities, and captures the result as goals, an idea bank, and a step-project list. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 30-60 min je Interview | Wochen bis Monate je Goal | 1-5 Tage | 1-4 Wochen |
Participantsdifferent | 5-10 Interviews | 3-10 | Nutzertraffic | 1-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Goals, Idea bank, Step-project list, Tasks, Learning reports | Interest Metrics, Conversion Signal, Learning Note | Experiment results, Decision log, Learning summary |
Tagsno overlap | ValidationInterviewsPrototype | RoadmapOutcomesPlanningExperiments | ValidationExperimentsDemandGrowth | ExperimentsGrowthAnalyticsValidation |