In accident investigation and incident analysis, identifying the true underlying causes of an event—rather than simply addressing its visible symptoms—is critical for preventing recurrence. Among the most systematic and widely adopted tools for this purpose is the and its accompanying Dictionary . Developed by System Improvements, Inc., this structured method provides investigators with a visual guide and a standardized vocabulary to move beyond superficial causes and uncover the latent system failures that lead to incidents. This essay explains the purpose, structure, and practical application of the TapRooT® Root Cause Tree® and its Dictionary, highlighting their role in effective root cause analysis.
The Taproot Root Cause Tree Dictionary is designed to be a practical guide to the Taproot method. Here are some steps for using the dictionary:
The Taproot Root Cause Tree Dictionary is a comprehensive guide to identifying and addressing the root causes of problems. Developed by Dave and Sue Jenkins, the Taproot method is a systematic approach to problem-solving that helps organizations to identify and fix the underlying causes of issues, rather than just treating the symptoms. This dictionary is a valuable resource for anyone looking to improve their problem-solving skills and implement the Taproot method in their organization.
Unlocking the Power of the TapRooT® Root Cause Tree® Dictionary
The dictionary contains a series of defined, "yes/no" questions designed by human factors experts. 1.2.7 , 1.4.7