Which factor is NOT part of evaluating efficiency in a project?

When evaluating the efficiency of a project, the primary focus is generally on how well resources are utilized to achieve the desired outcomes within certain constraints such as time and budget. Money refers to the financial resources allocated for the project, which is crucial in assessing if the project stays within budget. Time reflects the duration needed to complete the project, highlighting whether deadlines are met and how project timelines are managed. Effort captures the human resources involved and the amount of work performed, which impacts productivity and efficiency.

In contrast, complexity, while an important consideration in project management—particularly regarding project planning and execution—is not a direct measure of efficiency. Complexity may affect how effectively tasks are performed or how easily resources are applied, but it does not directly relate to the efficiency metrics of resources utilization, such as time, money, or effort. Thus, complexity is not a standard factor used to evaluate efficiency in a project context.