Developed by a Team of Experts

Michael Borenstein

Jacob Cohen

Hannah Rothstein

David Schoenfeld

Jesse Berlin

Ed Lakatos

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"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

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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.