This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following is not a feature of Mass-Media education - \nSelect and explain. \nA. Deals with local problems of teh community, B. Easily understandable, C. Wide approach, D. More effective than individual or group method', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Mass media alone are generally inadequate in changing human behavior.For effective health communication,they should be used in combination with other methods.The power of mass media in creating a political will in our of health,raising the health consciousness of the people,setting norms,delivering technical messages,popularising health knowledge and fostering community involvement are well recognized (refer pgno:866 park 23 rd edition)', 'role': 'assistant'}]