Software Validation Sample Size. Software validation is a requirement of the Quality System regulation which was published in the Federal Register on October 7 1996 and took effect on June 1 1997. PASS has been fine-tuned for over 20 years and is now the leading sample size software choice for clinical trial pharmaceutical and other medical research.
2 196 0842 2 20 2 15 2 279 this means that a sample size of 28 subjects per group is needed to answer the research question. The confidence interval also called margin of error is the plus-or-minus figure usually reported in newspaper or television opinion poll results. Download Validation Sample Size Calculator doc.
Entering the values in the formula yields.
PASS comes complete with integrated documentation and PhD statistician support. For example if you use a confidence interval of 4 and 47 percent of your sample picks an answer you can be sure that if you had asked the question of the entire relevant. There are no general criteria for the required sample size in a validation study. Recommended as external validation of health experience that many people at the basis.