There are still many challenges, and it is true that ensuring sufficient statistical power to produce reliable results is one of them. (newscientist.com)
This sample size should have provided sufficient statistical power to detect the putative association between ever breastfeeding and the duration of breastfeeding with risk of EOC. (academic.oup.com)
According to Yang and Silverman, a typical behavioral test aims for 20 mice per group in order to achieve sufficient statistical power. (scientificamerican.com)