This document discusses personality and several personality theories and models. It defines personality as the sum of ways an individual reacts and interacts with others. Several personality traits are listed, as well as determinants of personality like the Myers-Briggs Type Indicator, which classifies people into 16 types based on characteristics like introversion/extroversion. The Big Five model identifies five dimensions of personality: Extroversion, Agreeableness, Conscientiousness, Openness to Experience, and Emotional Stability. Finally, attributes like locus of control, risk-taking, self-esteem, and Type A/B personalities that influence organizational behavior are explained.