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
The best method of teaching an urban slum about ORS is – 
Select and explain. 
A. Lecture, B. Role play, C. Demonstration, D. Flash cards
C: Demonstration
Answer: C: Demonstration 
Explanation: Demonstration 

A demonstration is a carefully prepared presentation to show how to perform a skill or procedure.
Demonstration as a means of communication has been found to have a high educational value in programmes like-


Environmental sanitation → installation of a hand pump, construction of a sanitary latrine.
Mother and child health → demonstration of oral rehydration technique,
Control of disease, e.g. scabies.