This document discusses individual level factors in organizational behavior, including diversity and individual differences. It notes that biographical characteristics like age, gender, and race have minimal effects on job performance. Greater determinants are cognitive and physical abilities. Cognitive abilities are intellectual capacities in domains like number aptitude, verbal comprehension, perceptual speed, inductive reasoning, deductive reasoning, spatial visualization, and memory. Diversity management aims to attract, select, develop, and retain a diverse workforce through legal compliance, serving diverse markets, and fostering inclusion. Individual behavior is influenced by heredity, temperament, personality, environment, education, motivation, emotions, values, attitudes, and unconscious processes. Temperament theories describe types like choleric,