What's New in Inquisit 5

Inquisit 5 is a major update of Inquisit that has been years in the making. Our design goals for Inquisit 5 were to extend support to iOS, enhance the power of the product, improve usability, and maintain backwards compatibility with past releases in order to ensure an enticing and smooth upgrade path. We want to make Inquisit an essential tool for anyone conducting computer-based behavioral research. Towards these ends, Inquisit 5 introduces the following new features:

  • iPhone and iPad support! (Details here.)
  • Improved support for Surface tablets and other Windows touch devices.
  • A new and improved editor with enhanced text colorization, auto-complete, auto-formatting, and help integration.
  • Support for modern, standard video codecs.
  • Long form sound recording for interview questions.
  • Drag/drop support.
  • Present animated stimuli.
  • Stream videos instead of requiring download upfront.
  • Present visual stimuli on multiple monitors.
  • Support for presenting standards-compliant HTML 5 documents.
  • Easily generate screenshots of a task for IRB review.
  • New convenience functions and for doing pixel math.
  • Z and P Score functions for computing signal detection metrics.
  • New list functions for sorting and computing on the fly statistics.
  • Ability to pass parameters between different scripts in a batch.
  • Numerous language improvements for simpler and more powerful scripts.
  • Improved documentation viewer.
  • Backwards compatible with previous versions so your existing scripts will continue to run.
  • Inquisit Web script size limit raised from 40MB to 60MB.

See the Inquisit 5 feature list for a complete list of Inquisit's capabilities.

How to Order

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  • pro forma invoices
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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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