The Most Comprehensive Software Available for Behavioral Research

E-Prime provides a truly easy-to-use environment for computerized experiment design, data collection, and analysis. E-Prime provides millisecond precision timing to ensure the accuracy of your data. E-Prime's flexibility to create simple to complex experiments is ideal for both novice and advanced users.

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Latest News & Events

All News & Events
E-Prime 2.0

E-Prime 2.0 End of Sales

Microsoft has announced that Windows 10 will no longer be supported after October 14th, 2025. The lack…

E-Prime 3.0 Update 4

E-Prime (Update 4) is now available for registered E-Prime 3.0 users! This update includes a fix…