Sampling

    Cards (6)

    • Random sampling - a random technique so every member of the target population has an equal chance of being selected
    • Systematic sampling - obtained by selecting every nth person
    • Opportunity sampling - obtained from those most easily available
    • Volunteer sampling - obtained by using self selected volunteers
    • Stratified sampling - select a group based on demographics that is then in proportion to the population
    • Sampling bias - an unrepresentative sample that differs from the target population
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