Hi shijit
I do not have any presentation on leadership style, but had a brief description of it which I am attaching.
hope this will be helpful.
Mainly there are three types of Leadership Style as identified by noted psychologist “Kurt Lewin”.
Authoritarian Leadership (Autocratic)
Authoritarian leaders provide clear expectations for what needs to be done, when it should be done, and how it should be done. There is also a clear division between the leader and the followers. Authoritarian leaders make decisions independently with little or no input from the rest of the group.
Researchers found that decision-making was less creative under authoritarian leadership. Lewin also found that it is more difficult to move from an authoritarian style to a democratic style than vice versa. Abuse of this style is usually viewed as controlling, bossy, and dictatorial.
Authoritarian leadership is best applied to situations where there is little time for group decision-making or where the leader is the most knowledgeable member of the group.
Participative Leadership (Democratic)
Lewin’s study found that participative (democratic) leadership is generally the most effective leadership style. Democratic leaders offer guidance to group members, but they also participate in the group and allow input from other group members. In Lewin’s study, members in this group were less productive than the members of the authoritarian group, but their contributions were of a much higher quality.
Participative leaders encourage group members to participate, but retain the final say over the decision-making process. Group members feel engaged in the process and are more motivated and creative.
Delegative (Laissez-Fair)
Researchers founds that members under delegative (laissez-fair) leadership were the least productive of all three groups. The people in this group also made more demands on the leader, showed little cooperation, and were unable to work independently.
Delegative leaders offer little or no guidance to group members and leave decision-making up to group members. While this style can be effective in situations where group members are highly qualified in an area of expertise, it often leads to poorly defined roles and a lack of motivation.
regards
anuradha