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| Criterion |  Product Discovery Solution Interview |  Business Strategy Porter Five Forces |  Innovation Lean Startup |  Innovation Design Sprint |
|---|---|---|---|---|
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. | Porter Five Forces analyzes the forces that shape competitive pressure and profitability in a market. The view of market structure goes beyond individual competitors and reveals systemic pressure points. | 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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 30-60 min je Interview | 1-3 h | Wochen bis Monate je Lernzyklus | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 2-8 | 2-8 | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Five Forces Analysis, Competitive Risks, Strategic Options | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationInterviewsPrototype | StrategyCompetitionMarket | LeanStartupValidationMVP | Design sprintPrototypeValidationInnovation |