Taproot Root Cause Tree Dictionary Pdf
TapRooT® Root Cause Tree® Dictionary is a core component of the TapRooT® system that provides a detailed set of questions to help investigators consistently identify root causes based on collected evidence. It acts as a standardized language for root cause analysis (RCA), moving beyond personal opinion to ensure results are defendable and trendable. TapRooT® Root Cause Analysis Core Functions and Features Structured Questioning
: The dictionary contains a human performance troubleshooting guide and specific questions that lead investigators through a "selection and elimination" process to uncover causes they might have otherwise missed. Standardization
: It provides common terminology, allowing different investigators to reach consistent conclusions for similar incidents. Integration with the Tree
: While the Root Cause Tree® Diagram is a visual map of potential causal categories (e.g., Human Performance, Equipment Difficulty), the Dictionary provides the specific criteria needed to confirm if a category applies. Seven Basic Cause Categories
: The methodology organizes root causes into seven primary areas to guide the investigation. TapRooT® Root Cause Analysis Typical Investigation Workflow SnapCharT® : First, a visual timeline is created to understand Causal Factors
: Investigators identify specific events or conditions that, if modified, would have prevented the incident. Root Cause Tree® & Dictionary
: Each causal factor is analyzed using the Tree and Dictionary to find the underlying root causes. Corrective Action Helper® taproot root cause tree dictionary pdf
: Finally, the system suggests effective fixes for the identified causes. TapRooT® Root Cause Analysis Available Resources
Root Cause Tree® Dictionary - Improving Root Cause Analysis
TapRooT® Root Cause Tree® Dictionary is a core component of the TapRooT® system, providing a standardized set of questions to identify the underlying causes of incidents. It is often used in conjunction with the Root Cause Tree® Diagram
to ensure consistent analysis and help investigators move past symptoms to find definitive system flaws. TapRooT® Root Cause Analysis Key Components of the TapRooT® Dictionary
The dictionary acts as the "instruction manual" for the Root Cause Tree. Its primary functions include: TapRooT® Root Cause Analysis Standardized Language:
Provides a common set of definitions and criteria for all investigators to ensure results are comparable and trendable across an organization. Structured Questioning: TapRooT® Root Cause Tree® Dictionary is a core
Contains detailed questions for each node on the Root Cause Tree to guide the investigator in determining if a specific root cause applies. Human Performance Focus:
Includes specific categories for human factors, management systems, and environmental conditions to help explain human errors occur. TapRooT® Root Cause Analysis Usage in Incident Reporting
In a formal TapRooT® investigation report, the dictionary is used during the analysis phase (Step 4 of the typical 7-step process). The final report typically includes: SnapCharT® Diagram:
A visual timeline of the incident used to identify "Causal Factors". Root Cause Tree Analysis:
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
The TapRooT® Dictionary and Tree are proprietary intellectual property. While some versions may be found in digital archives Root Cause: The Dictionary defines a Root Cause
for reference, they are typically obtained through the following official channels: Internet Archive TapRooT® Complete Book Set (Books 1-10)
4. Create a Digital Shortcut
Place the PDF on a shared network drive with a memorable shortcut (e.g., R:\RCA\TapRoot_Dictionary.pdf). Add a pop-up reminder in your investigation template: “Before closing a cause, verify it against Section 3 of the dictionary.”
3. Annual Calibration Sessions
Once a year, have your investigation team review five past reports. Open the dictionary PDF together. Discuss: “Did we code this correctly according to the 2025 edition?” This prevents drift.
5. Key Definitions Found in the Dictionary (Examples)
To illustrate the content of the Dictionary, below are generalized examples of how it defines complex concepts:
- Root Cause: The Dictionary defines a Root Cause not as the "deepest" cause, but as the most fundamental reason for a problem that, if corrected, will prevent recurrence.
- Management System Problem: The Dictionary specifies that this category is reserved for failures of the system to detect or correct problems, rather than individual human errors.
- Near Root Cause: The Dictionary defines this as a cause that is close to the symptom but is not the fundamental system failure. Correcting a Near Root Cause may reduce frequency but will not prevent recurrence.
Step 4: Verify with Dictionary Criteria
The dictionary entry for “Interruption during task sequence” includes a “clean cause” test:
- ✅ Is it specific? Yes – phone call from control room.
- ✅ Is it not blaming? Yes – no character flaw mentioned.
- ✅ Is it controllable? Yes – the company can redesign work to minimize interruptions.