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| Criterion |  Product Discovery Solution Interview |  UX Research Affinity Diagramming |  Operations Fishbone Diagram |  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. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 | Low | High |
Timedifferent | 30-60 min je Interview | 45–90 min | 30-60 min | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 3-10 | 2-8 | 5-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Theme clusters, Insight statements, Opportunity areas | Fishbone Diagram, Cause Categories, Investigation Backlog | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationInterviewsPrototype | SynthesisQualitativeRoot cause | Root causeQualityOperations | Design sprintPrototypeValidationInnovation |