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| Criterion |  Product Discovery Solution Interview |  Decision Making Pareto Analysis |  Operations 5 Whys |
|---|---|---|---|
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. | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-60 min je Interview | 30-60 min | 15-30 min |
Participantsdifferent | 5-10 Interviews | 1-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Pareto Chart, Top Causes, Focus List | Root cause notes, Countermeasures |
Tagsno overlap | ValidationInterviewsPrototype | PrioritizationQualityFocusRoot cause | Root causeIncidentLeanProblem solving |
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