What Practice Area includes the practice of developing high-level estimates for performing work?

The practice area that encompasses the development of high-level estimates for performing work aligns with the focus of estimating within project management methodologies. Estimating involves the analysis and determination of time, resources, and costs required to complete a project or task effectively. This practice stresses the importance of providing realistic and accurate estimates early in the project lifecycle to support planning and decision-making processes.

By developing high-level estimates, practitioners can create more reliable project plans, allocate resources more efficiently, and anticipate potential challenges. It is essential for setting the stage for project success and helps in communicating project expectations to stakeholders. In this context, estimating is critical for project management activities, ensuring that projects are planned with a solid foundation of expected resource requirements and timelines.

In contrast, while project management does deal with estimates, it encompasses a broader range of activities beyond just estimation. Risk assessment focuses on identifying and mitigating risks, while resource management is more concerned with the efficient allocation and utilization of available resources. Therefore, estimating is the most precise practice area related to the question posed.