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| Criterion |  Product Discovery Pretotyping |  Operations A3 Problem Solving |  Innovation Contradiction Analysis |  Innovation Lean Startup |
|---|---|---|---|---|
Purposedifferent | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | Stunden bis wenige Tage | 45-90 min | 60-120 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 1-4 | 2-5 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | A3 Report, Action Plan, Root Cause Analysis | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | ValidationDemandMVP | LeanProblem solvingCoachingOperations | ContradictionsInnovationProblem solving | LeanStartupValidationMVP |