أساليب المعاينة لدى الباحث الاجتماعي

الملخص EN

The role of sampling is to provide the researcher with accurate and accurate conclusions and inferences in his study, not only on the study sample, but on all the statistical units of the society, based on partial units or a subset of the sample or sample of the study, which should reflect the advantages and characteristics of the original community, It is a condition that is difficult to achieve except through scientific and methodological steps and accurate statistical methods, which determine how the design and design of the sample, and even determine the nature and size of the sample, and leave the researcher no room for selection or citation of personal estimates.