Please write a paragraph responding to the discussion bellow. Add citations and references in alphabetical order.
Sampling theory was developed to determine the most effective way to acquire a sample that accurately reflects the population under study. Key concepts of sampling theory include populations, target population, sampling on eligibility criteria accessible population, elements representatives’, sampling frames and sampling plans or methods. A sampling plan or method outlines strategies used to obtain a sample for a study, like a design, or sampling is not specific to a study. The plan is designed to increase representativeness and decrease systematic variation or bias. Its designed to increase representatives while at the same time decreasing systematic bias or variation.
Kukull, W. A., & Ganguli, M. (2012, June 05). Retrieved October 10, 2018, from