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| Criterion |  Product Discovery Assumption Mapping |  Product Strategy Lean Canvas |  Operations 5 Whys |  Business Strategy 5-Minuten VC-Check |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 45-60 min | 45-90 min | 15-30 min | 5-15 min |
Participantsdifferent | 2-8 | 1-6 | 2-6 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Lean Canvas, Core Assumptions, Experiment Backlog | Root cause notes, Countermeasures | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step |
Tagsno overlap | AssumptionsRiskExperimentsValidation | StartupLeanAssumptionsBusiness model | Root causeIncidentLeanProblem solving | StartupValidationCompetition |