Final answer:
Teams are generally most effective when team members are high in conscientiousness, which is linked to being hardworking, reliable, and goal-oriented, and correlates positively with team success.
Step-by-step explanation:
According to research, teams will function best if all teammates have high levels of conscientiousness. This personality trait is characterized by high levels of competence, self-discipline, thoughtfulness, and goal-directed behavior, leading to people being hardworking and dependable. Several studies have established a positive correlation between conscientiousness and academic success, suggesting that a team composed of individuals high in this trait would be more effective and productive. While other factors such as openness to experience and extroversion can contribute to a team's creativity and social dynamics respectively, conscientiousness is often highlighted as a strong predictor of team performance.