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| Criterion |  Product Strategy Counter Metrics |  Operations A3 Problem Solving |  Growth A/B Testing |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. | 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 two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 | Low | Medium | High | Low |
Timedifferent | 30-60 min | 45-90 min | 1-4 Wochen | 15-30 min |
Participantsdifferent | 2-6 | 2-5 | 1-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Counter Metric List, Guardrail Definitions | A3 Report, Action Plan, Root Cause Analysis | Experiment results, Decision log, Learning summary | Root cause notes, Countermeasures |
Tagsno overlap | MetricsMeasurementStrategyExperiments | LeanProblem solvingCoachingOperations | ExperimentsGrowthAnalyticsValidation | Root causeIncidentLeanProblem solving |