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Criterion
Paper illustration for Root Cause Analysis.
Operations
Root Cause Analysis
Paper illustration for Ideal Days.
Agile
Ideal Days
Purposedifferent
When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another.When effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats.
Complexitydifferent
MediumLow
Timedifferent
1-4 h15-60 min
Participantsdifferent
3-82-9
Formatsame
Workshop + asyncWorkshop + async
Outputdifferent
Problem Statement, Cause Hypotheses, Confirmed Causes, Action PlanIdeal Day Estimates, Assumption Notes, Capacity Caveats
Tagsno overlap
Root causeProblem solvingQualityIncident
EstimationEffortAgile
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Often compared together

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

Paper illustration for 8D Problem Solving.
Operations
8D Problem Solving
Paper illustration for Root Cause Tree Analysis
Operations
Root Cause Tree Analysis
Paper illustration of Barrier Analysis with its method-specific working model.
Operations
Barrier Analysis