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| Criterion |  Product Discovery Concierge MVP |  Operations Causal Factor Analysis |  Operations 8D Problem Solving |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 1-4 Wochen | 2-6 h | 1-6 Wochen | 2-4 h |
Participantsdifferent | 3-10 Kunden | 3-10 | 4-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Concierge Learnings, Service Blueprint, MVP Risks | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | MVPValidationServiceDiscovery | CausalityIncidentRoot causeTimeline | QualityProblem solvingRoot cause | Root causeSafetyIncident |