Which Performance Index Is The Most Potentially Misleading?

Which Performance Index Is The Most Potentially Misleading?


Performance indexes are an important part of managing projects, providing vital information to decision-makers. However, as with any metric, certain performance indexes can be misleading if not applied correctly. In this article, we will explore which performance index is most likely to be misleading and the potential risks that come with using it.

The EV/PV Performance Index

The EV/PV performance index (also called Earned Value/Planned Value) is a measure of how a project is progressing compared to the plan. It is calculated by taking the Earned Value (actual cost of the tasks completed) and dividing it by the Planned Value (budget allocated for the tasks completed). If the number is less than one, then the project is over-budget or behind schedule.

For this reason, EV/PV is the most potentially misleading performance index. A low EV/PV value can lead decision-makers to believe that the project is doing poorly when in fact the project may just have a higher budget than originally planned.

Risks of EV/PV Misinterpretation

If the EV/PV performance index is misinterpreted, there can be serious consequences for the project. The most likely result is an overreaction by the decision-makers, leading to hasty decision-making that can be detrimental to the project.

In addition, a project’s EV/PV can also be affected by external factors such as the availability of resources and changes in internal policies. If these factors are not taken into account, the EV/PV could be misinterpreted, leading to further problems.


The EV/PV performance index is the most potentially misleading performance index. It can be easily misinterpreted and lead to incorrect decisions. It is important for decision-makers to understand the risks associated with this index and to take into account any external factors that could affect the project’s EV/PV. By doing this, decision-makers can ensure that they receive accurate information about the project’s progress.

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