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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)
Growth Experiment workspace showing the question, observations, and next decision.
Growth
Growth Experiment
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 growth ideas surface quickly, the temptation to build immediately instead of learning is high. A Growth Experiment frames an assumption so target group, lever, and measurement are clear before the first deployment.
Complexitysame
MediumMediumMedium
Timedifferent
Multiple workshops over several weeks2–4 h review as a planning range; preparation and evaluation additional1-2 Wochen
Participantsdifferent
2-8Designers, developers as users, and facilitation1-6
Formatsame
Workshop + asyncWorkshop + asyncWorkshop + async
Outputdifferent
Hooked loop, Trigger map, Reward design, Ethics checkPrioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisionsExperiment card, Result summary, Next bet
Tagsno overlap
GrowthBehaviorRetention
ArchitectureEngineeringFeedbackValidationTasks
MarketingGrowthExperimentsLearning
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Often compared together

Methods with strong topical overlap with the current selection, not yet in the comparison.

Paper illustration of a Learning Card with four fields for hypothesis, observation, insight, and action.
Product Discovery
Learning Card
Paper illustration for Smoke Test.
Product Discovery
Smoke Test
Paper illustration of a calm four-quadrant Assumption Map with hypothesis cards and emphasis on important assumptions with little evidence.
Product Discovery
Assumption Mapping