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| Criterion |  Product Discovery Solution Interview |  Innovation Lean Startup |  Operations Kaizen Event |
|---|---|---|---|
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. | 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. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-60 min je Interview | Wochen bis Monate je Lernzyklus | 0.5-5 Tage |
Participantsdifferent | 5-10 Interviews | 2-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | ValidationInterviewsPrototype | LeanStartupValidationMVP | LeanContinuous improvementOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
