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Selected:Hooked ModelARID (Active Reviews for Intermediate Designs)North Star MetricGoal Question Metric
| Criterion |  Growth Hooked Model |  Architecture ARID (Active Reviews for Intermediate Designs) |  Growth North Star Metric |  Engineering Goal Question Metric |
|---|---|---|---|---|
Purposedifferent | 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. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | 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. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | Multiple workshops over several weeks | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 h | 90-180 min |
Participantsdifferent | 2-8 | Designers, developers as users, and facilitation | 3-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hooked loop, Trigger map, Reward design, Ethics check | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | North Star metric, Input metric tree, Measurement cadence | GQM Table, Metric Profiles |
Tagsno overlap | GrowthBehaviorRetention | ArchitectureEngineeringFeedbackValidationTasks | GrowthMetricsAlignmentRetention | MetricsMeasurementEngineeringAlignment |