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| Criterion |  Product Strategy GIST Planning |  Product Discovery Product Kata |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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. | Product Kata helps clarify customer problems, solution ideas, and evidence through a repeatable improvement routine. It captures direction, current metric, target metric, experiment notes, and learning. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | Wochen bis Monate je Goal | 1-2 Wochen je Loop | 20-35 min | 1-5 Tage |
Participantsdifferent | 3-10 | 3-10 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Goals, Idea bank, Step-project list, Tasks, Learning reports | Direction, Current metric, Target metric, Experiment note, Learning report | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | RoadmapOutcomesPlanningExperiments | OutcomesDiscoveryLearningIterationCoaching | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |