Scenario: You are a test manager responsible for reporting on a complex software project. Stakeholders have requested a report that provides insights into the overall project's test effectiveness. Which metric or index would you prioritize to include in this report?

The Test Effectiveness Index is a comprehensive metric that evaluates the overall effectiveness of the testing process by considering various factors such as test coverage, defect density, and test execution progress. It provides stakeholders with a holistic view of how well the testing activities are contributing to the project's quality goals.