system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following is an immature defense mechanism?
assistant
The correct answer is  Regression is where a person returns back to earlier phase of development to avoid the tensions & conflicts of present phase of development.
Ex: A businessman who is stressed because of financial problems goes to a park & plays with children.