Wednesday, 28 August 2013
Power analysis can be used to calculate the minimum sample size required so that one can be reasonably likely to detect an effect of a given size. Power analysis can also be used to calculate the minimum effect size that is likely to be detected in a study using a given sample size. In addition, the concept of power is used to make comparisons between different statistical testing procedures: for example, between a parametric and a nonparametric test of the same hypothesis.
Source wiki
G POWER is a free tool for power statistics
A method to defend your sample size
Source wiki
G POWER is a free tool for power statistics
A method to defend your sample size
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