Which type of report is best for measuring effort toward a specific project compared to others?

The hours report, grouped by Project, is the most suitable choice for measuring effort toward a specific project compared to others. This type of report provides detailed insights into the actual time invested in tasks related to each project. By aggregating hours worked, it allows project managers to assess the total effort put forth, making it easier to evaluate resources allocated and identify any discrepancies between projected and actual work.

In contrast, a project report may provide general information or status updates but might not dive into the quantitative aspects of effort. A tasks report, while useful for tracking the completion of specific activities, will not clearly convey the total hours spent on each project. Financial reports focus primarily on budget and expenditures rather than directly measuring effort in terms of hours worked, which makes them less effective for this specific purpose. Thus, the hours report stands out as the best option for analyzing effort across various projects.