This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'Psychodynamic theory among the following is/are: \nSelect and explain. \nA. Psychosexual theory., B. Psychosocial theory., C. Cognitive theory., D. All of the above.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: I.\xa0Psychodynamic theories\n\n\xa0Psychosexual theory \xa0\xa0-\xa0 Sigmund Freud\n\xa0Psychosocial theory \xa0\xa0\xa0-\xa0 Eric Erickson\n\xa0Cognitive theory \xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0-\xa0 Piaget\n\nII.Behavioural theories\n\n\xa0Hierarchy of needs - Maslow\n\xa0Social learning theory - Bandura \xa0\n\xa0Classical conditioning -\xa0Pavlov\xa0\n\xa0Operant conditioning - Skinner', 'role': 'assistant'}]