Sample Size & Power Analysis

The Sample Size/Power Write-up Generator with References

The Sample Size & Power Analysis Calculator with Write-up is a tool for anyone struggling with power analysis. Simply identify the test to be conducted and the degrees of freedom where applicable (explained in the document), and the sample size/power analysis calculator will calculate your sample size for a power of .80 of an alpha of .05 for small, medium and large effect sizes.  The sample size/power analysis calculator then presents the write-up with references which can easily be integrated in your dissertation document.

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Sample Size Calculator for Populations

Sample Size calculator that determines the number of participants given a particular confidence interval.