Human Performance Management Best Practice 3 – Qualify, Verify, and Validate
Human error reduction not only applies to the performance of operational activities but to analytical tasks as well. Errors made during performance of these tasks frequently go unnoticed at the time of occurrence, only to become consequentially evident when action is taken based on the errant analysis. These latent errors can have an equally devastating financial, environmental, asset and human impact as operational performance errors; simply occurring with greater time separation between the error and the event. Therefore, human error reduction must be applied to these activities too.[wcm_restrict plans=”41190, 25542, 25653″]
Analytical work deals largely with the manipulation of data into usable information. Thus, the error reduction tools focused on analytical work target data quality and calculational accuracy. These tools are Qualify, Verify, and Validate or QV&V.
Application
Used during the performance of analytical work, such as that performed by engineers, from which an error could result in a substantially adverse outcome when acted upon.
Examples
- Engineer performing a design calculation to determine the needed rating of a pump or other component
- Chemist performing a calculation to determine the amount of chemical to add to a system
- Bank loan officer calculating a borrower’s home mortgage payment
Definition
Qualify: A data quality check during which the data is examined for situational relevance and accuracy. The accuracy check includes an assessment of instrument accuracy and/or the reliability/reputation of external sources. A calculational quality check assesses the relevance of the qualifications of those individuals performing the calculations.
Verify: Data accuracy is confirmed through comparison with equally reliable, independent sources. Calculations are checked by independent determinations may by an equally qualified individual.
Validate: Data and calculation check that assesses consistency and evaluates the data/calculation relative to past experience and expert judgment.
Final Thought…
The QV&V tool applies to both the data and calculations of analytical work. These tools are typically performed sequentially as:
- Qualify data
- Verify data
- Validate data
- Qualify calculations
- Verify calculations
- Validate calculations
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