Members of AACE should only undertake assignments for which they are what?

The correct answer highlights the importance of qualifications in carrying out assignments within the field of cost engineering and related disciplines. Members of AACE (Association for the Advancement of Cost Engineering) should only accept assignments for which they are qualified, meaning they possess the necessary skills, knowledge, and experience specific to the tasks required. This ensures that the work is performed to the highest standards and that ethical practices are upheld.

Accepting assignments without proper qualifications can lead to subpar performance and could negatively impact the integrity of the profession and the outcomes for clients. AACE emphasizes professional development and adherence to standards, underscoring the necessity for members to identify their own qualifications accurately before taking on new responsibilities. While effectiveness, availability, and popularity are important in various contexts, they are not as fundamental to ensuring professional integrity and quality as being qualified.