Final answer:
The most important responsibility for the principal to consider when implementing delegation plans is ensuring equal workloads for staff members.
Step-by-step explanation:
When implementing delegation plans, the most important responsibility for the principal to consider is ensuring that the delegation of tasks to some staff members does not result in unequal staff workloads. This is important in order to maintain fairness and prevent resentment among staff members. If certain staff members are consistently burdened with an excessive workload, it can lead to burnout and decreased productivity.
While ongoing monitoring of the quality and timely completion of delegated tasks (option B) is important, it is secondary to ensuring equal workloads. Offering public acknowledgment and appreciation (option C) and providing accurate documentation (option D) are also important, but they are not as crucial as ensuring fairness in the delegation process.