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| Criterion | ![]() Product Discovery Dual-Track Agile | ![]() Operations 5 Whys | ![]() Operations A3 Problem Solving | ![]() Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When uncertainty and delivery run in parallel, it separates learning work from implementation while keeping both connected. It prevents unvalidated ideas from falling directly into the delivery stream. | 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. | 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 | Low | Medium | Medium |
Timedifferent | Laufend, Wochen bis Monate | 15-30 min | 45-90 min | 1-4 h |
Participantsdifferent | 4-10 | 2-6 | 2-5 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Discovery Backlog, Delivery Backlog, Experiment-Ergebnisse, Validierte Stories | Root cause notes, Countermeasures | A3 Report, Action Plan, Root Cause Analysis | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | AgileDiscoveryDelivery | Root causeIncidentLeanProblem solving | LeanProblem solvingCoachingOperations | Root causeProblem solvingQualityIncident |



