Sample size and power: how big is big enough?
Fitzmaurice
Garrett
G
Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts 02115, USA. fitzmaur@hsph.harvard.edu
D000818:Animals; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data*; D006801:Humans; D015233:Models, Statistical; D012107:Research Design; D018401:Sample Size