As part of the PI plan, the nurse manager reviews trends in client satisfaction surveys. It is noted that 76% of clients are dissatisfied with the amount of time they had to wait in the waiting room.

Which action should the nurse manager take first?

A) Revise the scheduling system to reduce wait times
B) Conduct a staff meeting to discuss the survey results
C) Implement a new advertising campaign to attract more clients
D) Investigate the reasons behind the long wait times