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... > social science subjects > health and social care > medical science > medicine > clinical medicine > medical decision making > biostatistics and clinical epidemiology > sample size and power
... > other subjects > natural sciences > life sciences > medical science > medicine > clinical medicine > medical decision making > biostatistics and clinical epidemiology > sample size and power

Preferred term

sample size and power  

Definition

  • Often the main aim of a medical study is to estimate or test an unknown parameter of interest, such as the incidence of a certain disease, the effect of a certain treatment, or the relative risk associated with a certain exposure. An important issue in the design of a study is the choice of the number of subjects to include. [Source: Encyclopedia of Medical Decision Making; Sample Size and Power]

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https://concepts.sagepub.com/social-science/concept/sample_size_and_power

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