Sample Size Shop

proof of concept — Use GLIMMPSE to calculate power or sample size. GLIMMPSE is an open-source online tool for calculating power and sample size. It’s been designed so that researchers and scientists with varying levels of statistical training can have access to reliable power and sample size calculations.

NEW Sample Size Software Upgrade

GLIMMPSE V3

– More designs – Easier to use
-User logins coming soon!

Offered by the University of Florida

Power and Sample Size for Multilevel and Longitudinal Study Designs

Learn the principles behind sample size calculations with this free online course.

No longer available

– GLIMMPSE V2 has been taken down – please try GLIMMPSE V3. Your JSON file should work directly.
-If your JSON file is not working in GLIMMPSE V3, please try editing the file. If that does not work, you can start a “New Study” in GLIMMPSE V3, re-enter the relevant inputs, then save a new JSON file.
-If you are still unable to get your file to work in GLIMMPSE V3, please contact us.