Answer: A. The collection of a representative sample of a larger population.
Step-by-step explanation:
The sampling is a process of selecting the units or individuals from the interested population. This process ensures the quantity, and quality. This process ensures the estimation of the characteristics of the whole population. The sampling can also be done in a way that only desired individuals or items are selected this is called as the purposive sampling technique.
According to the given situation, the survey research requires the collection of the large sample size so as to ensure the representative samples of the entire population exhibiting the desired traits.