Preferred Supplier of high-quality software and hardware products to UK, European and Overseas Universities, Colleges, Research Establishments and private business.

We specialise in experiment generator packages, data analysis systems and software for use in Psychology research, teaching and practice.  Our extensive range includes E-Prime, SuperLabAtlas and DirectRT.

See our Products List for the full range, and if there are products not listed that you would be interested in please contact us for further information.

We make ordering easy and offer a fast and personal service at competitive prices with reduced shipping costs and discounts for multiple purchases.

PSD's price guarantee: We'll match any quotation (in Pounds or in Euros) for the products we sell.

SuperLab 6 is Coming

All SuperLab 5 and new X5 Licence Owners will be eligible for a free upgrade to SuperLab 6 or X6 when released later in the year. No firm release date yet; more information will follow.
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50% discount for SuperLab 5 Upgrade ending soon

The opportunity to upgrade your SuperLab 4 or 4.5 to version 5 ends 30 September 2016.
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Chronos

Chronos is a powerful new USB-based response and stimulus device.
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NEW SuperLab X5

SuperLab X5 provides live integration with SMI and Tobii eye trackers.
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Celeritas Fibre Optic Response System

Click here for details of the Celeritas Fibre Optic Response System
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NEW PRODUCT - Mangold Interact

An exciting addition to our portfolio!
Powerful professional software for Behavioural Research
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MangoldVision

Eye Tracking Software Package
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Presentation

Precise, powerful stimulus delivery and experimental control program for neuroscience.
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