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| Criterion |  Product Discovery Product Kata |  Delivery RAID Log |  Operations 5 Whys |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | Product Kata helps clarify customer problems, solution ideas, and evidence through a repeatable improvement routine. It captures direction, current metric, target metric, experiment notes, and learning. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | 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. | 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 | Low | Medium |
Timedifferent | 1-2 Wochen je Loop | 30 min Setup, dann laufend | 15-30 min | 1-4 h |
Participantsdifferent | 3-10 | 1-3 maintaining, briefing for everyone | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Direction, Current metric, Target metric, Experiment note, Learning report | RAID Log, Status Report Source | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | OutcomesDiscoveryLearningIterationCoaching | RiskTrackingStakeholdersGovernance | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident |