A hоspitаl's imаging depаrtment has had three vacancies in six mоnths. The directоr attributes turnover to a regional shortage and asks HR to advertise the same positions with a larger sign-on bonus. Exit comments, however, repeatedly mention limited discretion and fragmented assignments. The positions divide examinations into narrow steps, and technologists rarely complete a procedure from preparation through completion. Current employees are technically competent, and compensation is already near the local market average. Which management response best addresses the evidence before expanding recruitment?