The Sampling Methods module systematically provides knowledge of research sampling methods including non-random and random sampling methods. The main content of the module focuses on random sampling methods such as simple random sampling, system sampling, stratified sampling, cluster sampling, mixed sampling, and estimation methods such as proportion estimation, regression estimation and estimation of differences. The course also provides ways of determining the sample size in an investigation to ensure the representativeness of the sample. Introduce to students the supporting software for random sampling and survey results processing skills.