| A | B |
| Thanatos | Freudian concept of a death instinct; energizes destructive and aggressive behavior. |
| Somatotype | Mesomorph, endomorph, ectomorph |
| The Big Five | Emotional stability, conscientiousness, openness to experience, extroversion, agreeableness. |
| Psychodynamic Personality Theory | Assumption that inner intrapsychic forces shape personality and motivate behavior. |
| Personality | Unique and distinctive behavior patterns across time and situations. |
| Personality Inventory | Self-report questionnaire |
| Idiographic Approach | Emphasizes individual uniqueness. |
| Nomothetic Approach | Emphasizes identifying of universal traits and patterns. |
| Collective Unconscious | Inherited unconscious ideas and forces common to all persons. |
| Superego | Contains society's values, standards, and morals. |