Saturday, November 10, 2012

External Validity

  • The term external validity, as used in research refers to the extent that the results of a study can be generalized from a sample to a population.
  • The term population generalizability refers to the extent to which the results of a study can be generalized to the intended population.
  • The term ecological generalizability refers to the extent to which the results of a study can be generalized to conditions or settings other than those that prevailed in a particular study. 

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