1) There are several theories of leadership including great man theory, trait theory, contingency theory, behavioral theory, situational theory, management theory, and participative theory. 2) Contingency theory suggests that no single leadership style is best in all situations and effective leadership depends on variables related to the environment and situation. 3) Behavioral theories view leadership as something that can be learned and believe great leaders are made, not born, focusing on observable actions rather than inherent qualities.