Extroversion is primarily characterized by

Extroversion is primarily characterized by being outgoing and socially confident. Individuals who score high on extroversion tend to enjoy social interactions, seek out companionship, and thrive in group settings. They often exhibit enthusiasm, assertiveness, and talkativeness, demonstrating a preference for engaging with others rather than retreating into solitude. This trait is a core component of personality psychology, specifically within the Five Factor Model, where extroverted individuals are distinguished by their energetic and interactive nature.

The other characteristics mentioned in the choices reflect different personality traits. Being reserved and introspective aligns with introversion, which is the opposite of extroversion. Agreeableness and accommodating traits refer to a person's tendency to be cooperative and compassionate toward others, while being detail-oriented and organized pertains more to conscientiousness. Therefore, choice B captures the essence of extroversion effectively by highlighting the social and confident demeanor that defines extroverted individuals.