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Technique · Issued by Industry practice

RCA

Root Cause Analysis (5-Whys, Ishikawa)

IncidentTechniqueQuality
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Family of post-incident techniques to dig past symptoms to the underlying cause and prevent recurrence.

5-Whys, Fishbone (Ishikawa), Apollo, and TapRooT are common methods. Mandatory in many incident-reporting regimes.

At a glance

Complexity
Low
Certification
No
Time to implement
Days
Issued by
Industry practice

Fits

Industries
healthcaremanufacturingitaviation
Risk types
operationalsafety
Frequently asked

Questions risk leaders ask

A family of post-incident techniques that dig past symptoms to identify underlying causes and prevent recurrence. 5-Whys uses iterative questioning; Ishikawa (fishbone diagrams) maps cause categories.
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