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| Criterion |  Product Discovery Concierge MVP |  Operations Causal Factor Analysis |  Operations 5 Whys |  Operations A3 Problem Solving |
|---|---|---|---|---|
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 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 1-4 Wochen | 2-6 h | 15-30 min | 45-90 min |
Participantsdifferent | 3-10 Kunden | 3-10 | 2-6 | 2-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Concierge Learnings, Service Blueprint, MVP Risks | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Root cause notes, Countermeasures | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | MVPValidationServiceDiscovery | CausalityIncidentRoot causeTimeline | Root causeIncidentLeanProblem solving | LeanProblem solvingCoachingOperations |