Spreitzer,Cohen and Ledford's 1999 Research Found That

Spreitzer,Cohen and Ledford's 1999 research found that

A) both coaching and mentoring of the team was necessary to enhance team effectiveness
B) employee involvement,work design and the characteristics of the team were related,and reinforced each other
C) at times team leader supervision was counter-productive to self-managing team effectiveness
D) higher levels of team success were usually predicated on the quality of team leader support available