• Psychometric tests and assessment tools may only be provided to qualified professionals who have an appropriate certification for their use. Please complete the qualification form and send other relevant documentation (e.g. master’s degree or doctorate diploma in psychology or related field). You can either upload the documents directly or send them to us by email.

d2 Test of Attention

1st edition, 1998

by Rolf Brickenkamp, Eric Zillmer

Paper and Pencil
Paper and Pencil
Complete test consisting of: manual, 20 recording blanks, set of 2 scoring keys and empty folder
product number: 0101320
Excluding tax
product number: 0101321
Excluding tax
50 recording blanks
product number: 0101322
Excluding tax
Set of 2 scoring keys
product number: 0101323
Excluding tax
Empty folder
product number: 0101324
Excluding tax

Product Description

The d2 Test measures processing speed, rule compliance, and quality of performance, allowing for a neuropsychological estimation of individual attention and concentration performance. Originally developed to measure driving aptitude and efficiency, the d2 Test has become the mainstay of attentional assessment in Europe. The test can be administered within 8 minutes, either individually or in a group format. The economy of the test expands its availability to a much larger population of neuropsychologists, researchers, and clinicians. The reliability has proven to be very high, and the validity of the technique has been documented by a number of research studies. Extensive norms are available based on a German sampling of over 6,000 subjects. Preliminary US norms for children, college students, and the elderly are also included. Research supports the multiple clinical and empirical applications of the d2 Test. Now available with an English manual, including norms and correlations, this user-friendly test is gaining increasing recognition in the US. This test belongs in every researcher's and clinician's test repertoire, especially when the assessment of attentional capabilities has to be balanced against cost-effectiveness.

Qualification Level B

Release Note

In use since 1998.

Copyright year


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