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| Criterion |  Growth North Star Metric |  Decision Making Assumption Surfacing |  Engineering Goal Question Metric |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | When product teams track many metrics, the view of the actual customer outcome easily gets lost. A North Star Metric bundles growth, usage, and value contribution into one signal that makes the system's direction visible. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-2 h | 45-90 min | 90-180 min | 45-60 min |
Participantsdifferent | 3-8 | 2-8 | 3-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | North Star metric, Input metric tree, Measurement cadence | Assumption List, Critical Assumptions, Learning Plan | GQM Table, Metric Profiles | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | GrowthMetricsAlignmentRetention | AssumptionsRiskDecisionDiscovery | MetricsMeasurementEngineeringAlignment | AssumptionsRiskExperimentsValidation |