Which of the Following Represents the Common Themes in Leadership

Which of the following represents the common themes in leadership research?

A) Effective leaders are good at influencing others, establishing cooperative relationships, and they develop a reputation for high-quality decision making.
B) Effective leaders are not concerned with changing attitudes so long as they change behaviours, and effective leaders tend to maintain strong mentoring relationships with subordinates.
C) Leaders often emerge from the ranks when there is a crisis; they allow others to work to their strengths, and they tend to make decisions based on previous successes.
D) Leaders are most likely to be older, male, and with at least 20 years of experience.