Power can also be considered as a role within a group that is defined by effective influence
over followers: that is, as a leadership position. However, as we shall see in Chapter 9, the relationship
between power and leadership is not clear-cut. Some leaders certainly do influence
by the exercise of power through coercion, but most influence by persuasion and by instilling
their vision in the rest of the group. Groups tend to permit leaders to be idiosyncratic and
innovative (Hollander, 1985), and they see their leaders as being charismatic (Avolio &
Yammarino, 2003) and, in many cases, as having legitimate authority (Tyler, 1997).