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| Criterion |  Innovation How Might We |  Growth North Star Metric |  Growth Hooked Model |  Engineering Goal Question Metric |
|---|---|---|---|---|
Purposedifferent | With a stuck problem carrying many implicit assumptions, the method translates observations into open, workable questions. It sharpens the problem frame without pre-thinking the solution, turning frustration or fuzziness into a search space with clear direction. | 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. | The Hooked Model helps clarify engagement loops, user behavior, and experiments. It makes repeat behavior measurable and captures the result as a hooked loop, trigger map, and reward design. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30–45 min | 1-2 h | Multiple workshops over several weeks | 90-180 min |
Participantsdifferent | 1-10 | 3-8 | 2-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | HMW Questions, Challenge Framing, Idea Prompts | North Star metric, Input metric tree, Measurement cadence | Hooked loop, Trigger map, Reward design, Ethics check | GQM Table, Metric Profiles |
Tagsno overlap | FramingOpportunityIdeationQuestions | GrowthMetricsAlignmentRetention | GrowthBehaviorRetention | MetricsMeasurementEngineeringAlignment |