Mead's resource equation

(noun)

$E=N-B-T$: an equation that gives a hint of what the appropriate sample size is, where parameters such as expected standard deviations or expected differences in values between groups are unknown or very hard to estimate.

Related Terms

  • Cohen's D

Examples of Mead's resource equation in the following topics:

  • Determining Sample Size

    • As follows, this can be estimated by pre-determined tables for certain values, by Mead's resource equation, or, more generally, by the cumulative distribution function.
    • Mead's resource equation is often used for estimating sample sizes of laboratory animals, as well as in many other laboratory experiments.
    • All the parameters in the equation are in fact the degrees of freedom of the number of their concepts, and hence, their numbers are subtracted by 1 before insertion into the equation.
    • The equation is:
    • Calculate the appropriate sample size required to yield a certain power for a hypothesis test by using predetermined tables, Mead's resource equation or the cumulative distribution function.
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