Technical Report - self-administration
  • To buy this product you need to provide evidence of eligibility. We accept the completed application form or a copy of your degree (bachelor, master, diploma). You can either upload the document directly during checkout or send it to us by email or fax.

d2 Test of Attention - Revised

R. Brickenkamp, L. Schmidt-Atzert & D. Liepmann


* Please note that HTS 5 tests are available for self-administration or with Hogrefe’s Administration Service


* Please note that HTS 5 tests are available for self-administration or with Hogrefe’s Administration Service

product number: 5998602
Excluding VAT
Technical Report - with Hogrefe Administration Service
product number: 5901237
Excluding VAT
Technical Report - self-administration
product number: 5996154
Excluding VAT
Buy more than one for £12.00 and save up to 40%.
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Technical Report - self-administration


In its newest iteration, the d2-R has become one of the most widely-used measures of attention – particularly visual attention – throughout Europe. Used not only within clinical and educational settings, it is also used within the pharmaceutical and transport sectors, and finds further application in areas such as sports psychology.

Watch our video explaining how we used the d2 to help Nottingham City Transport with its selection issues - and save them more than £1.2 million in the process.

Suitable for

Individuals aged 9 to 60 years

Language Versions

English, German, Czech, Slovak, Danish, Finnish, Dutch, Russian, Swedish and Norwegian.

Product Description

The d2-R consists of 14 screens of 60 symbols (in 6 rows of 10). The test taker must scan the lines and cross out all occurrences of the letter d with two dashes while ignoring all other symbols. The d2-R has been praised for its value in measuring focus of attention - and its contribution to extensive savings. The d2-R measures a variety of facets, including:

  • Concentration
  • Attention
  • Sustained attention
  • Mental speed
  • Processing speed
  • Working speed
  • Perceptual speed
  • General performance capacity

The d2-R includes the following enhancements:

  • An additional practice phase to enhance test taker understanding
  • The removal of ceiling effects by extending the length of the test lines
  • A selection of norm groups to choose from

Download the d2-R flyer here.

Qualification level required:
Test User Occupational: Ability, or equivalent. Please see our Test User Qualifications page for guidance.

Convinced that ability testing is right for your organisation or consultancy – but not sure where to start? Read our mini guide to ability tests here.

Online tests on HTS

Most of our online tests are available through the HTS platform – click here for an overview. To access tests on HTS, you can choose between two options:

  • Test with Hogrefe Administration Service (fixed price: cost of test + £40 admin fee + VAT) whereby Hogrefe manage the test administration process (set up link, download reports)
  • Self-administration (with tiered prices) – whereby you have your own HTS account and manage the test administration process, allowing you access to discounted pricing based on the quantity of reports purchased.

To get set up with an HTS account, contact us by email, or you can purchase the tests directly on our website. We will then set up your account.

Account set up procedure

Once we have received your order, we set up the online HTS account for you, add your test licenses and send you your login details by email. This may take up to one working day.

Test administration process

Once you have received your account login details, you will be able to set up your questionnaires and send them via email to your test takers. Once they complete their test, the report is automatically formulated on the portal, and ready to be downloaded as a pdf.

With your login details, you will receive a user manual for the HTS platform, as well as tutorials explaining how to use the system. Your Hogrefe customer support team is also available to assist you with the process and with any queries you might have.


Following our latest update, both new and existing users of the d2-R will automatically gain access to additional sets of norms for the measure. Users can now choose between:

  • UK norms for ages 18-55 years
  • European norms for ages 18-55 years
  • German (general population) norms for ages 8-79 years - these are available in two groups:
    • German children and adolescents aged 8-17 years (in one-year bands from 8 to 15, plus a two-year band 16-17)
    • German adolescents and adults aged 18-79 years (age bands 18-19, followed by ten-year bands, 20-29, 30-39 etc. up to 70-79).


10 minutes

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