10 Search results

For the term ""necessary and sufficient"".

Necessary and Sufficient

  Causes and Causal Factors can usually be characterized as having two distinct but related qualities, termed Necessary and Sufficient. Necessary: If x is required...

Recent Changes

Recent changes to this Root Cause Analysis wiki are logged below. 2014-10-04 :: topic pages Barrier and Root Cause created 2014-10-02 :: topic pages Event...

RCA Wiki

  This page is the root for the new Root Cause Analysis wiki. Only the topic pages listed below have been completed. As more pages...

Causal Factor Tree Analysis

Description Causal factor tree analysis is a Root Cause Analysis technique used to record and display, in a logical, tree-structured hierarchy, all the actions and...

Five-by-Five Whys

Search around on the web for Root Cause Analysis, and you’re likely going to find article after article discussing the Five Whys (or 5 Whys,...

Models in Root Cause Analysis

Models are representations of reality. They can be detailed or abstract, complex or simple, accurate or misleading. Whether we realize it or not, everything we...

The BOGUS Test

The fields of incident investigation and root cause analysis are over-abundantly supplied with acronyms, like E&CF, ETBA, MORT, MES, etc. After much investigation, I’ve determined...