Final answer:
Enhancing productivity by giving more authority to technicians and increasing formalization relates to changes in an organization's structure option (A).
Step-by-step explanation:
If Kelly Rae, in her new role as clinic coordinator, decided to enhance productivity by giving greater authority to other technicians and increasing formalization, she would be addressing the structure option (A) category of change. By delegating more authority, she would be empowering her employees, aligning with aspects of Theory Y management which suggests that workers are capable and seek responsibility. The increase in formalization would involve defining roles, responsibilities, and procedures more explicitly to improve efficiency and standardize operations.