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10 Articles in: Research Methods. View More. Surveys are the most commonly used tool in sociological research, whether in the form of a questionnaire, interview, or telephone poll. Learn more about surveys here.
Plurality is by far the most commonly used system of voting, used almost universally for many types of voting and elections. It has been used for thousands of years, almost certainly predating written history. Most countries use the plurality system to elect public officials, and most people use it in day to day life.