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| Criterion |  Product Strategy GIST Planning |  Innovation Design Thinking |  Product Discovery Opportunity Solution Tree |  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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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 | High | Medium | Medium |
Timedifferent | Wochen bis Monate je Goal | 1 Tag bis mehrere Wochen | 1-2 h Setup, laufend | 1-5 Tage |
Participantsdifferent | 3-10 | 4-10 | 2-6 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Goals, Idea bank, Step-project list, Tasks, Learning reports | Problem Statement, Prototype, Test Learnings | Opportunity Solution Tree, Experiment Backlog, Learning Log | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | RoadmapOutcomesPlanningExperiments | InnovationPrototypeResearch | DiscoveryOutcomesExperimentsOpportunity | ValidationExperimentsDemandDiscovery |