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Filter search resultsSampling for surveys: Stratified random sampling
These instructional videos provide a guide and examples of how to apply stratified random sampling.المواردSampling for surveys: Clustered random sampling
These instructional videos provide a guide and examples of how to apply clustered random sampling.المواردSampling for surveys: Simple random sampling
These instructional videos introduce the topic of sampling for surveys and provide a guide and examples of how to apply simple random sampling.المواردSampling for surveys: Sample size calculations
This instructional video explains how to calculate a sample size for a survey.الموارد