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| Criterion |  Product Discovery Opportunity Interview |  Facilitation Consensus Workshop |  Operations 5 Whys |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | When a group needs a solid decision without outvoting individual factions, a Consensus Workshop creates a negotiable common ground. It makes agreement, reservations, and open tensions discussable at the same time. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 30-60 min je Interview | 1-3 h | 15-30 min | 1-4 h |
Participantsdifferent | 5-12 Interviews | 5-30 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | Consensus Clusters, Theme Titles, Priority Areas | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | FacilitationConsensusWorkshopAlignment | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident |