Mr. White chairs the math department in a large high school. He uses a portion of each deparment meeting to present issues to be discussed and decided upon by the department members. During meetings, members argue openly on any of the issues discussed. It is clear that Mr. White must concentrate on team building if he ever expects to operate the department as a team. Which of the following steps in team building should he concentrate on first? reinforcing that members' contributions to the department are all valued communicating openly and frequently about the members' progress in meeting the departments' goals defining each member's responsibilities, both individually and as they pertain to the department establishing shared goals to which all department members are committed