Suppose you are leading a work group. Which of the following strategies do you think would do the most to promote a strong shared mental model within...

Suppose you are leading a work group.  Which of the following strategies do you think would do the most to promote a strong shared mental model within the team? 

Hiring a team with a diverse set of knowledge, skills, and abilities.  

Establishing a strong personal relationship with each team member

Giving the team members more autonomy

Communicating a clear vision of what the group's mission is how it will achieve that mission.