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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.
Inferential statistical methods are used when data is collected from a sample in the population. Inferential statistics are used to generalize the results of the sample to the â¦ population. In a census you have data from each and every member of the population, so you just use descriptive statistics.