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| Criterion |  DevOps ChatOps |  Product Discovery Test Card |  Operations Root Cause Analysis |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | Ongoing | 20-35 min | 1-4 h | 1-5 Tage |
Participantsdifferent | 2-20 | 1-5 | 3-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Chat Transcript, Action Log, Automations | Test Card with a pre-set threshold | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | CollaborationEngineeringIncident | ExperimentsValidationDiscoveryHypothesis | Root causeProblem solvingQualityIncident | ValidationExperimentsDemandDiscovery |