In terms of research and the group leader's personality, which statement is most accurate?

• A. Extroverts are the most effective leaders.
• B. Introverts are the most effective leaders.
• C. Qualities such as flexibility, enthusiasm, and common sense may be helpful to a very small degree.
• D. Qualities such as flexibility, enthusiasm, and common sense have a tremendous positive impact.

Answer: (C)

The main idea is that a group leader’s personality influences outcomes only modestly; there isn’t a single trait that guarantees effectiveness. Research emphasizes that what really matters is how the leader handles group process—establishing structure, inviting participation, monitoring dynamics, managing conflicts, and adapting to the group’s stage and needs. Traits like flexibility, enthusiasm, and practical judgment can support these skills by helping the leader respond effectively to situations and keep the group moving forward. But their impact is generally small rather than dramatic. Extroversion or introversion isn’t a definitive predictor of success, since effective leadership also depends on how well the leader uses these process skills in context. So, the statement that these qualities may be helpful to a very small degree best reflects what research suggests.