To illustrate the content of the Dictionary, below are generalized examples of how it defines complex concepts:
That shift in language is the difference between a fix that fades and safety that lasts.
Was the workspace, tool, or software interface designed poorly for human use?
The TapRooT® Root Cause Tree Dictionary is a comprehensive reference manual used to define every term, category, and question found on the TapRooT® Root Cause Tree. taproot root cause tree dictionary pdf
Where to get a PDF
The "deep story" of the system lies in its two most critical components:
[ INCIDENT / EXPOSURE ] │ ┌────────────────┴────────────────┐ ▼ ▼ [ Human Performance ] [ Equipment Difficulty ] │ │ ┌─────────┴─────────┐ ┌────────┴────────┐ ▼ ▼ ▼ ▼ [Categories] [Categories] [Categories] [Categories] - Procedures - Comm. - Design - Maintenance - Training - Ergonomics - Quality Control - Wear & Tear - Mgmt System - Work Env. 1. Human Performance Difficulty To illustrate the content of the Dictionary, below
– the dictionary and Root Cause Tree are included in training materials.
I can provide targeted examples to help you apply these investigation concepts to your specific workplace. Share public link
The TapRooT® System is a structured, scientifically vetted process designed to investigate, analyze, and prevent problem recurrence. Developed by System Improvements, Inc., the methodology balances both human factors engineering and equipment reliability engineering. Where to get a PDF The "deep story"
: Were preparation, scheduling, or supervision lacking? 4. Applying the Dictionary Definitions
A common pitfall in root cause analysis is definitions that are open to interpretation. What one investigator considers a "lack of training," another might call a "procedure issue."
Many modern root cause analysis software platforms (e.g., ThinkReliability’s Cause Map, or Sologic) allow users to attach custom PDFs. Having the TapRoot dictionary as a PDF means you can hyperlink definitions directly into your digital investigation files.
| Tool | Best For | Dictionary Format | | :--- | :--- | :--- | | | Heavy industry, nuclear, aviation, healthcare | Detailed PDF dictionary | | Apollo RCA | Manufacturing, logistics | Concise root cause categories (no extensive dictionary) | | SCAT (Systematic Cause Analysis Technique) | Safety incidents (rail, maritime) | Included in ICAM materials | | 5 Whys with Cause-and-Effect | Simple, low-risk problems | No formal dictionary |
