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)


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a larger <b>sample size</b> is

a larger sample size is
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with a one-sided test.

with a one-sided test.
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power versus <b>sample size</b>

power versus sample size
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<b>Sample Size</b> Determination

Sample Size Determination
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<b>Sample size</b> Tables showing

Sample size Tables showing
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about your <b>sample size</b>.

about your sample size.
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Small <b>sample size</b>

Small sample size
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depends on the <b>sample size</b>

depends on the sample size
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Diagnosis and therapies

Symptoms:

    

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Last update: September 2014
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