This document discusses personality and its importance in organizational behavior. It defines personality and explains that it is determined by both nature and nurture. It describes the Big Five personality traits - extraversion, agreeableness, conscientiousness, neuroticism, and openness to experience - and how they influence employee behavior. Understanding personality can help managers select and place employees in jobs that match their traits. The document also discusses other personality attributes like locus of control, Machiavellianism, and Holland's theory of personality types and career choices.