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Criterion
A 5 Whys working surface connects an observable problem with evidenced causes, marked uncertainty and concrete countermeasures with ownership.
Operations
5 Whys
Context Map workspace showing the question, observations, and next decision.
Domain Modeling
Context Map
Purposedifferent
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.When several contexts need to talk to each other, it makes their relationships and dependencies legible. It helps sort integration pressure and responsibilities across system boundaries.
Complexitydifferent
LowMedium
Timedifferent
15-30 min1-3 h
Participantsdifferent
2-62-8
Formatdifferent
WorkshopWorkshop + async
Outputdifferent
Root cause notes, CountermeasuresContext Map, Integration Patterns, Boundary Notes
Tagsno overlap
Root causeIncidentLeanProblem solving
Domain-Driven DesignBoundariesStrategy
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Often compared together

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

Paper illustration for Root Cause Analysis.
Operations
Root Cause Analysis
Paper illustration for 8D Problem Solving.
Operations
8D Problem Solving
A3 Problem-Solving workspace showing the question, observations, and next decision.
Operations
A3 Problem Solving
Paper illustration of Barrier Analysis with its method-specific working model.
Operations
Barrier Analysis