In the high-stakes world of industrial safety, healthcare, and quality assurance, finding the true origin of a problem is notoriously difficult. Surface-level fixes often fail, leading to recurring incidents, costly downtime, and preventable injuries.
The Dictionary becomes active during Step 3. When an investigator navigates the Root Cause Tree, they encounter decision nodes (e.g., "Is this a difficulty with the human performance?"). The Dictionary provides the explicit definition for what constitutes a "Yes" or "No" at every single node. taproot root cause tree dictionary pdf
The result of applying the dictionary's questions to each causal factor. Corrective Actions: Recommendations generated using the Corrective Action Helper® based on the specific root causes found. TapRooT® Root Cause Analysis Accessing the PDF Unlocking Incident Investigation: The Ultimate Guide to the
The dictionary operates as a rigorous checklist. For every node or category on the tree, the dictionary asks a specific set of yes-or-no questions. If the answers to the questions meet the criteria defined in the dictionary, the investigator is permitted to follow that branch of the tree. This eliminates guesswork and ensures that investigators with different backgrounds and levels of experience will arrive at the same root causes when looking at the same set of facts. Enhancing Human Performance Analysis When an investigator navigates the Root Cause Tree,