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| Criterion |  Operations Root Cause Analysis |  Product Discovery Experiment Canvas |  Product Discovery Fake Door Test |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-4 h | 30-60 min | 1-5 Tage | 15-30 min |
Participantsdifferent | 3-8 | 1-5 | Nutzertraffic | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Completed Experiment Canvas, Success Metric | Click Data, Interest Signal, Learning Decision | Root cause notes, Countermeasures |
Tagsno overlap | Root causeProblem solvingQualityIncident | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery | Root causeIncidentLeanProblem solving |