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: Social & Preventive Medicine
[{'content': 'Most popular media for mass education of general public is \nSelect and explain. \nA. Radio, B. Television, C. Newspaper, D. Internet', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Mass media are mainly a one-way communication (Didactic Methods):\n– Television:\n- Most popular of all media\n- Creates awareness, influence public opinions and introduce new ways of life\n- Raise levels of understanding\n- Has much potential for health communication\n- Not much opportunity for feedback and discussion\n– Radio:\n- Purely didactic medium\n- Valuable aid in putting across health information\n– Internet:\n- Fast growing communication media\n- Holds very large potential to become a major health education tool\n– Newspapers:\n- Most widely disseminated of all forms of literature\n- Reach only to limited population (literates)\n– Printed material:\n- Can convey detailed information\n- Produced in bulk at low cost, can be shared\n– Direct mailing:\n- New innovation in health communication\n– Posters, billboards, signs:\n- Can be displayed at public places\n- Less effective in changing behaviour\n– Health museums and exhibitions\n– Folk media', 'role': 'assistant'}]