Question: What is the purpose of survey research??
Answer:
What is the purpose of survey research?
In research of human subjects, a survey is a list of questions aimed at extracting specific data from a particular group of people. Surveys may be conducted by phone, mail, via the internet, and sometimes face-to-face on busy street corners or in malls. Surveys are used to increase knowledge in fields such as social research and demography. 
extracting specific data from a particular group of people