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3CA: Control Change Cause Analysis

3CA is a method of root cause analysis developed with ease of training and universality of application in mind. Two forms of the method exist, the manuals are maintained here: Form A and Form B.

 
ECFA+: Events and Conditional Factors Analysis

This new manual (April 2007) provides an improved approach to ECFA analysis.

ECFA+: Handleiding voor de analyse van events en conditionele factoren

This translation into Dutch of the 2007 ECFA+ manual provides an improved approach to ECFA analysis

 
DORI: Defining Operational Readiness to Investigate

This project will describe the preconditions for efficient investigation of accidents and incidents. The final document is available here.

 
Requirements Analysis: Regulatory Criteria and Assessment Tools for Safety Assurance Systems.

Report produced for the Dutch Ministry of Social Affairs and Labour (Ministerie van Sociale Zaken en Werkgelegenheid).

 
MORT: Management Oversight and Risk Tree

Using the original public domain sources, NRI has fully revised the MORT User's Manual and Chart.  These materials and the sources used (including the original research report by W.G. Johnson) are available here.

 
Risk Management Guide

This is one of the series of documents written as part of the MORT canon of literature. This 1982 edition is available for download as a scanned, text-searchable pdf file (14Mb). An extract containing the cover, forward and table of contents is also available as a pdf (445kb)

 
Reported Significant Observation (RSO) Studies
Another document from the MORT canon; this 1976 monograph describes how to systematically collect information from a members of the workforce about their experiences. RSO is a variation on the Critical Incident Technique methodology developed by Flanagan in the 1950s. The pdf file is text-seachable. (1.2Mb).
 
Recent Papers

Reports and papers produced by NRI.

 

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Last modified: Monday, 01 September 2008