Audience
Companies searching for a solution providing sample size tools for over 1100 statistical test and confidence interval scenarios
About PASS
PASS software provides sample size tools for over 1100 statistical test and confidence interval scenarios - more than double the capability of any other sample size software. Each tool has been carefully validated with published articles and/or texts. Get to know PASS by downloading a free trial, viewing the video to the right, or exploring this website. PASS has been fine-tuned for over 25 years and is now the leading sample size software choice for clinical trials, pharmaceuticals, and other medical research. It has also become a mainstay in all other fields where sample size calculation or evaluation is needed. In PASS, you can estimate the sample size for a statistical test or confidence interval in a few short steps. If you need guidance during any of the steps, PASS has excellent documentation, there are free training videos, and you can contact our team of Ph.D. statisticians.