Which dimension in the Big Five model reflects how outgoing and sociable a person is?

The correct choice, which is extraversion, encapsulates the aspect of personality that pertains to how outgoing, sociable, and energetic a person is. Individuals who score high in extraversion tend to be more enthusiastic, talkative, and assertive in social situations. They enjoy engaging with others and often thrive in social interactions, seeking out company and stimulation from their environment.

In the context of the Big Five model, extraversion is one of the primary dimensions that distinguishes individuals based on their interpersonal styles and how they process their social world. This aspect of personality is crucial for understanding behaviors in social settings and can influence a person's preferences for activities that involve others, such as team sports or group projects.

The other dimensions, while important in their own right, do not directly relate to sociability in the same way. Conscientiousness relates to self-discipline and organization, neuroticism addresses emotional stability and anxiety levels, and agreeableness focuses on compassionate and cooperative behavior toward others. Each of these traits contributes valuable insights into personality, but extraversion specifically captures the essence of being outgoing and sociable.