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Criterion
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
Paper illustration of Hooked Model with its method-specific working model.
Growth
Hooked Model
Purposedifferent
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.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.
Complexitysame
MediumMediumMedium
Timedifferent
2–4 h review as a planning range; preparation and evaluation additional60-120 minMultiple workshops over several weeks
Participantsdifferent
Designers, developers as users, and facilitation3-82-8
Formatdifferent
Workshop + asyncWorkshopWorkshop + async
Outputdifferent
Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisionsFlywheel Map, Friction Points, Growth Levers, Experiment BacklogHooked loop, Trigger map, Reward design, Ethics check
Tagsno overlap
ArchitectureEngineeringFeedbackValidationTasks
GrowthRetentionConversion
GrowthBehaviorRetention
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Often compared together

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