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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
Paper illustration of a scoring table with four factor columns, a calculator and three ordered initiative cards.
Product Strategy
RICE Scoring
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 many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable.
Complexitydifferent
LowMedium
Timedifferent
15-30 min60-90 min
Participantsdifferent
2-62-10
Formatdifferent
WorkshopWorkshop + async
Outputdifferent
Root cause notes, CountermeasuresRICE Scores, Ranked List, Assumption Log
Tagsno overlap
Root causeIncidentLeanProblem solving
PrioritizationScoringRoadmapTradeoffs
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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