Analyze each Sampling process to come up with the correct Sampling Technique used.

1.) You are studying the level of customer satisfaction among the members of an elite country club, you will find it extremely difficult to collect primary data sources unless a member of the club agrees to have a direct conversation with you and provides the contract details of the other members of the club.
Sampling Technique: _______________

2.) Polar region and small island states are identified by scientists as critical cases in investigating the phenomenon of climate change. These sites are monitored closely for environmental changes. By investigating these sites in depth, scientists hope to develop knowledge that can be applied to other sites.
Sampling Technique: _______________

3.) A researcher is investigating why people don't complete their prescribed course of antibiotics and thinks that socioeconomic classes may be a reason. He surveys one rich community and one poor community.
Sampling Technique: _______________

4.) A researcher's population weighs around 200 pounds, so he makes sure that the typical members also weigh about 200 pounds.
Sampling Technique: _______________

5.) A researcher studying heart attacks may, for example, meet a cardiologist while interviewing one of his or her patients. The cardiologist may suggest how the researcher can contact other cardiologist who would be willing to refer clients to the researcher.
Sampling Technique: _______________​