The effectiveness of an investigation is often measured by:

The effectiveness of an investigation is often assessed based on the reduction in similar incidents that occur afterward. This metric is crucial because the ultimate goal of any investigation is not only to understand what happened but to implement measures that prevent future occurrences.

When similar incidents decline, it indicates that the findings of the investigation, including any recommendations for improvements in safety protocols, training, or operational procedures, have been successfully put into action. This ability to translate findings into practical safety enhancements demonstrates the investigation's impact on overall safety and risk management.

While public perception, the speed of the investigation, and the number of witnesses interviewed may offer insights into the investigation process, they do not directly correlate to the tangible outcome of improving safety and reducing incidents. Therefore, measuring effectiveness through the lens of incident reduction emphasizes the practical application and lasting benefits of the investigation findings.