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Criterion
Paper illustration of Hooked Model with its method-specific working model.
Growth
Hooked Model
Design sheets and interface cards connect to jointly written pseudocode with highlighted unresolved questions.
Architecture
ARID (Active Reviews for Intermediate Designs)
Paper illustration for Flywheel.
Growth
Flywheel
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.Growth often breaks down where a reinforcing mechanism builds up too much friction. A Flywheel shows the cycle of value, repetition, and reinforcement meant to sustain growth.
Complexitysame
MediumMediumMedium
Timedifferent
Multiple workshops over several weeks2–4 h review as a planning range; preparation and evaluation additional60-120 min
Participantsdifferent
2-8Designers, developers as users, and facilitation3-8
Formatdifferent
Workshop + asyncWorkshop + asyncWorkshop
Outputdifferent
Hooked loop, Trigger map, Reward design, Ethics checkPrioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisionsFlywheel Map, Friction Points, Growth Levers, Experiment Backlog
Tagsno overlap
GrowthBehaviorRetention
ArchitectureEngineeringFeedbackValidationTasks
GrowthRetentionConversion
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Methods with strong topical overlap with the current selection, not yet in the comparison.

Funnel Analysis workspace showing the question, observations, and next decision.
Growth
Funnel Analysis
Paper illustration for Landing Page Test.
Product Discovery
Landing Page Test
A paper-based illustration representing North Star Metric with its core stages and visible working result.
Growth
North Star Metric