Sampling Methods in Research Methodology; How to …
Stratified sampling is where the population is divided into strata (or subgroups) and a random sample is taken from each subgroup. A subgroup is a natural set of items. Subgroups might be based on company size, gender or occupation (to name but a few). Stratified sampling is often used where there is a great deal of variation within a population.
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hal.archives-ouvertes.freducation, digital media in education, ICT and pedagogy, ICT and teacher, education reform, education transformation Introduction Education is existential for human societies; it is a fundamental leverage for social preservation and economic growth. For centuries, the way education is performed remained the same: the teacher
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