Several MS/PC—DOS programs are now available to help with statistical power analysis and sample-size choice. This article compares these programs with respect to the statistical methods they cover, their user interface, their ease of use, their graphics capabilities, and their computational accuracy.
No takes yet. Share an insight, caveat, or question.
Richard Goldstein (1989) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: