HTS 5 Technical Report (subscription)
  • To purchase this product, you must provide evidence of your qualifications in test use. We can accept the completed application form, a relevant membership number (HCPC/BPS), or a copy of your applicable degree or certificate (master, diploma, specific training). You can either upload the document directly during the checkout process, or send it to us directly by email or fax. We reserve the right to ask for further evidence of qualification as necessary.

d2 Test of Attention - Revised

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

Paper and Pencil

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

Paper and Pencil
product number: 5503602
Excluding VAT

* 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
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HTS 5 Technical Report (subscription)


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 or download the case study 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). Each symbol consists of a ‘d’ or ‘p’ marked with one, two, three or four small dashes. 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 our d2-R flyer here!


Accessing tests on HTS 5

Online tests are available through the HTS 5 platform – click here for an overview. To access tests on HTS 5, users can choose between two options:

  • Test with Hogrefe’s Administration Service (fixed price – includes a £40 + VAT administration charge), whereby Hogrefe will manage the test administration process
  • Self-administration (tiered prices) – whereby users have their own HTS 5 account and manage the test administration process, allowing them access to discounted pricing based on the quantity of test takers they have

To get set up with an HTS 5 account, contact us by phone on +44 (0)1865 797920 or email. Alternatively, you can purchase the tests on our website, and we will set up your HTS 5 account, add your licenses and email you the login details to your account together with a complete user guide.


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


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

Ref-ID: U_D2-R_L P-ID: U_D2-R

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