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: Psychiatry
[{'content': '"8 stages of psychosocial development" were given by \nSelect and explain. \nA. Sigmond Freud, B. Carl Jung, C. Erik erikson, D. Roger Sperry', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Erik erikson gave 8\xa0stages of psychosocial / personality development where an individual experience psychological conflict in each stage.\nRoger Sperry: Gave concept of "Split - brain".', 'role': 'assistant'}]