Two major types of motivation underlie the ability of leaders to gain coope
ration in groups. First is the desire of people to gain rewards and avoid p
unishments. Leaders can tap into such motivations to the extent that then c
ontrol resources and/or instruments of surveillance and sanctioning. Second
is people's internal attitudes and values, which shape what people want or
feel they ought to do. Leaders can draw on these internal motivations by a
ppealing to or creating attitudes and values. Both strategies influence beh
avior, but there are clear advantages to leadership based on connecting to
people's attitudes and values. In particular, people voluntarily follow lea
ders who engage their internal motivations.