Quantitative Concept
sample size
sam·ple size
Subclass of:
Epidemiologic Research Design;
Research Design
Definitions related to sample size:
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A subset of a larger population, selected for investigation to draw conclusions or make estimates about the larger population.CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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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)NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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