Probability Sample

This entry from the Encyclopedia of Survey Research Methods provides a detailed overview of probability sampling and the different kinds of designs that can be used for gathering data for this option.


  • Underlying Concepts
  • Reliability And Validity
  • Sampling Designs
  • Simple Random Sampling
  • Systematic Sampling
  • Stratified Random Sampling
  • Cluster Sampling
  • Importance Of Well-Designed Probability Surveys


Hade, E. M., & Lemeshow, S. (2013). Probability sample. In P. J. Lavrakas (Ed.), Encyclopedia of Survey Research Methods. Retrieved from

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