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Selected:Opportunity Solution Tree Getting Things Done ARID (Active Reviews for Intermediate Designs)Learning Card

Criterion	Product Discovery Opportunity Solution Tree	Operations Getting Things Done	Architecture ARID (Active Reviews for Intermediate Designs)	Product Discovery Learning Card
Purposedifferent	When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure.	With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory.	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.	The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible.
Complexitydifferent	Medium	Medium	Medium	Low
Timedifferent	1-2 h Setup, laufend	1-2 h Setup, laufend	2–4 h review as a planning range; preparation and evaluation additional	25-40 min
Participantsdifferent	2-6	1	Designers, developers as users, and facilitation	1-5
Formatdifferent	Workshop + async	Async	Workshop + async	Workshop + async
Outputdifferent	Opportunity Solution Tree, Experiment Backlog, Learning Log	Action Lists, Project List, Review Routine	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Learning Card with evidence and next action
Tagsno overlap	DiscoveryOutcomesExperimentsOpportunity	ProductivityPlanningTasksExecution	ArchitectureEngineeringFeedbackValidationTasks	ExperimentsValidationDiscoveryLearning

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