The dictionary is used to verify "yes" or "no" answers for each category on the Root Cause Tree. If an investigator can answer "yes" to the dictionary's questions based on evidence, they continue down that path of the tree to find the specific root cause.
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The expands each node of these branches. For every potential root cause (over 200 in the full version), the dictionary provides: The dictionary is used to verify "yes" or
The journey began over 40 years ago when , a former member of the Nuclear Navy , realized that while high-reliability organizations had rigorous training, they still faced human errors. During his graduate studies at the University of Illinois, Paradies encountered advanced human performance technology that was largely inaccessible to the average plant manager or engineer due to academic jargon. For every potential root cause (over 200 in