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Sample Size

The number of units (persons, animals, patients, specified circumstances, etc.) in a population to be studied. The sample size should be big enough to have a high likelihood of detecting a true difference between two groups. (From Wassertheil-Smoller, Biostatistics and Epidemiology, 1990, p95)

Year introduced: 1995

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Subheadings:

Tree Number(s): E05.318.780.762, E05.581.500.902, N05.715.360.780.692, N06.850.520.445.762

MeSH Unique ID: D018401

Entry Terms:

  • Sample Sizes
  • Size, Sample
  • Sizes, Sample

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