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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

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E-Prime Extensions for EyeLink

Introducing E-Prime Extensions for EyeLink Researchers can now perform all EyeLink eye tracker communication within their E-Prime…

Conference Calendar 2020

The 2020 conference calendar for Psychology Software Tools has been announced. Check out our Facebook closer to…

Introducing EENS

Combine E-Prime 3.0 with Net Station 5 and GES 400/GTEN 200 E-Prime Extensions for Net Station 3.0┬áNow…