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Criterion
Visual Management workspace showing the question, observations, and next decision.
Operations
Visual Management
Paper illustration of a calm four-quadrant Assumption Map with hypothesis cards and emphasis on important assumptions with little evidence.
Product Discovery
Assumption Mapping
A 5 Whys working surface connects an observable problem with evidenced causes, marked uncertainty and concrete countermeasures with ownership.
Operations
5 Whys
Purposedifferent
With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work.When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description.
Complexitydifferent
LowMediumLow
Timedifferent
Ongoing45-60 min15-30 min
Participantsdifferent
1-202-82-6
Formatdifferent
Workshop + asyncWorkshop + asyncWorkshop
Outputdifferent
Visual Board, Status Indicators, Exception CuesAssumption map, Test backlog, Risk rankingRoot cause notes, Countermeasures
Tagsno overlap
SignalsOperationsVisual management
AssumptionsRiskExperimentsValidation
Root causeIncidentLeanProblem solving
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Methods with strong topical overlap with the current selection, not yet in the comparison.

A3 Problem-Solving workspace showing the question, observations, and next decision.
Operations
A3 Problem Solving
Paper illustration for Failure Mode and Effects Analysis
Operations
Failure Mode and Effects Analysis
Paper illustration for Kepner-Tregoe
Operations
Kepner-Tregoe
Paper illustration of Riskiest Assumption Test with a method-specific labelled workspace.
Product Discovery
Riskiest Assumption Test