Which of the following is considered the most important factor in determining how well a team will perform?

A) A shared sense of purpose
B) The right mix of creative talent
C) Full engagement of team members
D) Strong communication skills
E) Clear objectives

Answer: D
Explanation: D) Effective teams share a number of traits, including a clear objective, a shared sense of purpose, full engagement from all team members, procedures for reaching decisions by consensus, and the right mix of creative and technical talents for the tasks at hand. While all these traits contribute to team success, the single most important factor is how well the team members communicate.