Sampling methods to the social researcher

Abstract

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