Requirements

Technical

Runs on Microsoft Windows® with a minimum 800x600 resolution screen.
Windows, Word, PowerPoint and Excel are trademarks of Microsoft Corporation.

macOS

To run the program on a Mac, a Windows emulator is necessary such as Parallels or Bootcamp. Using Wine or CrossOver is not recommended.

researcher

"I've been in love with the earlier version of your program for years, but this one is really amazing."

Brenda J. Shields - Columbus, OH

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Power and Precision

software image

Power and Precision is a statistical power analysis software package for calculation of a sample size for a planned study. The program features an unusually clear interface, and many tools to assist the user in developing an understanding of power analysis.