Current sample size conventions: Flaws, harms, and alternatives
Department of Epidemiology and Biostatistics, Box 0560, University of California, San Francisco, CA 94143, USA
BMC Medicine 2010, 8:17 doi:10.1186/1741-7015-8-17Published: 22 March 2010
Additional file 1:
Comments on two possible objections. Discusses two possible objections to the case made in this paper.
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Additional file 2:
Cost-based sample size. This is an interactive Microsoft Excel spreadsheet that facilitates determination of sample sizes nmin and nroot using the simple cost-based methods noted in the Alternatives section.
Format: XLS Size: 55KB Download file
This file can be viewed with: Microsoft Excel Viewer