Friday, April 6, 2007

Simple random sampling v/s Convenience sampling

Difference between simple random sampling and convenience sampling

Simple random sampling-
  1. In this type of sampling every individual from the entire population gets an equal chance of being selected.
  2. Selection is free from biasness i.e. random selection is done.
  3. Results of the study can be generalize to the entire population.
  4. Sometimes the selected individual from the entire population may not be available/ accessible.
  5. Also known as lottery method.

Convenience sampling-

  1. In this type of sampling individual from the whole population do not get an equal chance of being selected.
  2. Selection of sample involves biasness.
  3. Results of the study cannot be generalize to the entire population.
  4. Selected samples are easily available to the reasearcher.
  5. Also known as accidental sampling or opportunity sampling.

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