The document discusses several key aspects of individual behavior:
1. Individual behavior is influenced by both internal factors like personality and external environmental factors.
2. There are many theories that seek to explain personality, including trait theory, psychoanalytic theory, humanistic theory, and social-cognitive approaches.
3. Personality is commonly measured using methods like questionnaires, interviews, case histories, observations, and projective tests. Core personality attributes like locus of control can influence behaviors in organizational settings.