This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostatistics, Subject name: Social & Preventive Medicine
&;Design Effect&; is assiciated with which of the following sampling techniques- 
Select and explain. 
A. Stratified sampling, B. Systemic sampling, C. Cluster sampling, D. Simple Random sampling
B: Systemic sampling
Answer: B: Systemic sampling 
Explanation: .