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| Criterion |  Product Discovery Solution Interview |  Decision Making Pareto Analysis |  Operations 8D Problem Solving |  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. | 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | Low | High | High |
Timedifferent | 30-60 min je Interview | 30-60 min | 1-6 Wochen | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 1-6 | 4-10 | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Pareto Chart, Top Causes, Focus List | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationInterviewsPrototype | PrioritizationQualityFocusRoot cause | QualityProblem solvingRoot cause | Design sprintPrototypeValidationInnovation |