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  • Created by: Revisonf
  • Created on: 04-01-14 17:10
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  • Sampling
    • Is used when it is too expensive/ time consuming to question the whole population.
    • A sample is usually selected from a sampling frame.
      • If the sampling frame is inacurate it may make the sample unrepresentative for the whole population.
        • EXAMPLE:     If the sampling frame contains to main females, it would be difficult to generalise from the findings.
          • Generalisation are general statements applied to the whole population.
    • Probability sampling
      • vs.
        • Non-Probability sampling
          • It is used when there is not sampling frame available.
            • Snowball sampling
            • Quota sampling
      • Each member of the sampling frame has a known chance of being selected.
        • Random sampling
        • Systematic sampling
        • Stratified random sampling.


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