Research method

Sample Size

AMW:TECH:050325

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)

Research Methodology methodology

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Sample Size has parent Epidemiologic Research Design

Sample Size has parent Research Design

Numbers Needed To Treat has parent Sample Size

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