Inquisit Lab

Precision Computer-based Psychological Testing

Inquisit 5 Lab is a powerful tool for designing and administering rich psychological tests and experiments on dedicated computers, whether in the lab, the clinic, or out in the field. Use any of the tests in the Millisecond Test Library, customize them, or program your own.

Photo By júbilo·haku. Licensed under Create Commons 2.

Introduction to Inquisit Lab

Information and Links

Download Inquisit 5 Lab Free Trial
Get details on all of the new features we've added to our latest release.

What's new in Inquisit 5
Get details on all of the new features we've added to our latest release.

Inquisit 5 feature list
See a comprehensive list of the what Inquisit 5 can do.

Licensing and Prices
Learn about Inquisit 5 licensing options and prices.

Inquisit 5 Tobii Plugin
Using Inquisit 5 Lab with Tobii Eye Trackers.

System Requirements
Minimum hardware and software requirements for running Inquisit.

Frequently asked questions about Inquisit Lab.

License Agreement
End User License Agreement for Inquisit.

How to Order

  • secure credit card payment
  • submit purchase orders
  • pro forma invoices
  • quotes

Contact us


Phone: 1-800-789-9710 (US) or +44 020 3287 0074 (UK)

Fax: 1-800-789-9710

Order options

Software Delivery. Inquisit is delivered by email. Please include a shipping email address with purchase orders.

Payment Methods. We accept credit cards, bank transfers, and US dollar checks.

Inquisit Billing Options: Visa Inquisit Billing Options: Mastercard Inquisit Billing Options: American Express

Resellers. Millisecond Software is happy to work with your preferred reseller on your order. Simply have them email . If you are looking for a reseller, please see the list of resellers we have worked with in the past.

Millisecond W-9. Our W-9 (Request for Taxpayer Identification Number and Certification) form can be downloaded here.

Free Inquisit 5 Workshop at ICPS 2017 Vienna
October 10, 2016
Millisecond is pleased to present a free Inquisit 5 workshop immediately preceding the ICPS 2017 conference in Vienna, Austria. Using Inquisit 5 for Online and Mobile Psychological ResearchTime: Thurs, Mar 23, 14:00
Inquisit 5 Lab Critical Update Available for Download
June 05, 2016
Inquisit 5.0.2 is now available for download. All customers running Inquisit 5 Lab are urged to update to Inquisit 5.0.2 as soon as possible. This update fixes a number of bugs, including a critical issue that can cause
Inquisit 5 has been released!
February 24, 2016
Millisecond is pleased to announce the release of Inquisit 5, the latest version of its popular psychological testing platform. One new feature of Inquisit 5 that we are particularly excited about is support for iOS devices such as iPads an
Running Studies with Inquisit and MTurk (UPDATED)
March 12, 2015
UPDATE: Good news for Inquisit Web researchers - downloading the Inquisit Web app is no longer against MTurk policy. Amazon has loosened it's policy around software downloads. Rather than prohibiting software downloads in general, the new polic
User Account Transition Notice
December 22, 2014
Millisecond Security ImprovementsIn an effort to modernize security and comply with various standards such as HIPPA, Millisecond is transitioning from shared account logins to unique logins for each user of an account. Going forward, y
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