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... > contexts > population characteristics > health > public health > epidemiology > statistics and research methods > sample size calculations and statistical power

Terme préférentiel

sample size calculations and statistical power  

Définition(s)

  • Sample size determination and prospective power analysis are important factors in planning a statistical study, because a study executed with an inappropriate sample size may result in wasted resources. If the sample is too small, the inference goal may not be achieved and true effects may not be detected, and if it is too large, money and resources have been unnecessarily expended, and subjects may have been exposed unnecessarily to a drug or the treatment. [Source: Encyclopedia of Epidemiology; Sample Size Calculations and Statistical Power]

Concept(s) générique(s)

Appartient au groupe

URI

http://data.loterre.fr/ark:/67375/N9J-KZ4JTW6Q-V

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