: By using the same set of questions, different investigators can reach the same conclusions, allowing companies to trend data across multiple incidents. Why Investigators Use the Dictionary
: It ensures that different investigators using the same evidence will arrive at consistent root causes, which is critical for accurate performance trending across an organization. Expert Guidance taproot root cause tree dictionary pdf
The standalone PDF dictionary typically ranges from $75 to $150 USD , while the full investigation kit (Tree, Dictionary, Helper) is around $300-$400 . Consider this an investment—one prevented major accident pays for this a thousand times over. : By using the same set of questions,
Safety managers and RCA facilitators need to distribute the dictionary to team members quickly. A PDF can be emailed, printed selectively (e.g., just the Human Factors section for a specific investigation), or embedded into a learning management system (LMS). It looks at environmental factors (like lighting or
It looks at environmental factors (like lighting or extreme temperatures), cognitive overload, poorly designed checklists, and inadequate fatigue management. By using the dictionary to dig into these systemic issues, organizations can fix the environment and systems surrounding the worker, rather than simply telling the worker to "be more careful." Conclusion
When the tree suggests a possible root cause (e.g., “Labeling/Presentation”), open the Dictionary PDF . Read the definition and examples for “Labeling Inadequate.” Does it fit your case? If not, move to “Feedback” or “Placement.”