| A | B |
| Sigmund | Freud |
| Cause | Effect |
| Neurosis | Psychosis |
| Psychology | Study of mind, brain and behaviour |
| Id | Unconscious part of personality working on the pleasure principle |
| Ego | Conscious part of personality working on the reality principle |
| Superego | Mostly conscious part of personality working on the morality principle |
| Iceberg Model of Mind | Levels of Consciousness |
| Conflict | Id and ego have opposite desires |
| Trauma | An unhappy memory |
| Defence Mechanisms | Unconscious mechanisms which protect the ego from harmful realities |
| Repression | Ego pushes information into the unconscious |
| Denial | Indivdual denies anything negative is happening |
| Regression | Individual's behaviour resembles behaviour from an earlier psychosexual stage |
| Theory of Development | Psychosexual Stages |
| Theory of Gender Development | Oedipus / Electra Complex |
| Clinical Case Study | Freud's research Method |
| Case Study | Study of one individual, organisation or event in detail |
| Qualitative data | Descriptive written information about behaviour |
| Quantitative data | Numerical data about behaviour |