A. Gathering anonymous data is part of the unfreezing stage, where awareness of the need for change is developed. B. Evaluating forces for or against change also aligns with the unfreezing stage, as it involves understanding current dynamics. C. Hosting educational seminars is focused on preparing for change, characteristic of the unfreezing stage. D. Creating an incentive program to reward staff for adhering to new policies is part of the refreezing stage, as it helps to solidify the change and reinforce new behaviors within the team.