Without a dictionary, one investigator might look at a mistake and call it "Human Error," while another calls it "Poor Training." The Dictionary provides strict definitions for every node on the tree. It forces investigators to look at and ask specific questions to determine exactly why a failure occurred, rather than guessing.
Is the text too small to read from a normal standing distance? Are the abbreviations used non-standard for this industry?
: Analyzes why a person made a specific mistake.
Root Cause Tree® Dictionary - Improving Root Cause Analysis
Was the workstation or software poorly designed for human use? How to Use the Dictionary in an Investigation
Understanding the TapRooT® Root Cause Tree® Dictionary: A Guide to Problem Solving
, a methodology designed to find fixable root causes rather than just blaming human error or equipment failure. He learned that the "secret sauce" of the system was the Root Cause Tree® Dictionary
System Improvement, Inc. (the creators of TapRooT®) often releases white papers and "brief" versions of their documentation for educational purposes.
When you download a TapRooT®-style dictionary, you will typically find categories such as:
Provides a common language so different investigators reach the same conclusions.
: It is designed to work seamlessly with the SnapCharT® Diagram , which organizes evidence before the dictionary is used to analyze it. Accessing the Dictionary