Do you currently use any , or are you using paper-based methods?
Was the task properly prepared, supervised, and kicked off? 3. How the Dictionary Solves the "Human Error" Trap
To get the most out of your TapRooT® investigations and maximize the utility of the dictionary, consider implementing these operational best practices: 1. Never Memorize the Tree
The TapRooT® process follows a strict sequence to ensure accuracy. The dictionary is introduced during the analysis phase. taproot root cause tree dictionary pdf
Do you currently have , or are you working with physical manuals?
As you follow the paths down into specific categories (e.g., Human Engineering -> Human-Machine Interface), open the . Answer the specific guiding questions to validate whether your evidence truly fits that specific root cause. Step 5: Identify Root Causes
When an industrial accident, equipment failure, or safety incident occurs, finding the "why" is critical to preventing recurrence. Among modern root cause analysis (RCA) methodologies, System Improvements, Inc.’s TapRooT® system stands out as a gold standard. At the heart of this system lies a proprietary visual flowchart and an accompanying reference book: the TapRooT® Root Cause Tree and its Dictionary. Do you currently use any , or are
Using the TapRooT® Root Cause Tree® without the Dictionary is like trying to assemble a complex piece of furniture by looking only at the picture on the box. It might look stable at first, but the legs will eventually fall off. For each node on the Root Cause Tree® Diagram, the Dictionary provides specific questions that define that node. Here is a practical look at its function:
Enter . For over three decades, the TapRooT® system has been the gold standard for moving beyond “human error” to uncover systemic failures. At the heart of this system lies a critical, standalone reference tool: The TapRooT® Root Cause Tree® Dictionary .
Use the Root Cause Tree and Root Cause Tree Dictionary to find the systemic issues behind each Causal Factor. How the Dictionary Solves the "Human Error" Trap
The TapRoot system is built on three core documents:
Uses a series of yes/no questions developed by human performance experts to guide users to true root causes without needing to be an expert in human factors.
The official TapRooT® Tree and Dictionary are copyrighted materials provided during TapRooT® training courses and in their official, updated books and software.
Even with the PDF, investigators fall into traps. Avoid these:
If the criteria match the evidence collected during the investigation, the investigator can confidently select that specific root cause.