D2. ATTENTION ASSESSMENT TEST*

Author:
Rolf Brickenkamp
Polish standardization:
Elżbieta R. Dajek (2003)
Age:
School-age children, adolescents and adults.
Procedure:
Group or individual administration; time limit for the test proper – 280 seconds.
Test users:
Psychologists (psychology diploma required).

This is a nonverbal technique which yields several measures of attention: speed of perception, number of errors and general perceptiveness (an indicator of speed corrected for number of errors) and concentration.

DESCRIPTION: The test is printed on both sides of a sheet of A4 paper. The subject is to score out appropriately marked “d” letters in rows marked either “p” or “d”.

RELIABILITY: High split-half reliability for the two most important indicators; satisfactory stability.

VALIDITY: Estimated as satisfactory by the author of the test; based on the correlation between the d2 and tests of intellectual abilities (Horn’s ZTU and Raven’s Progressive Matrices, Grimsley, Ruch and Warren’s Speed and Accuracy of Perception Test) and school grades.

NORMS: Percentile ranks developed for five age levels (ranging from 11;6 to 19;5).

APPLICATIONS: Educational and occupational counseling, clinical assessment.

MATERIALS:
•    Kit (manual, results of the Polish standardization, scoring key, 100 test sheets)
•    Results of the Polish standardization
•    Test sheets (100 copies)

* Published by Erda

Please note: All of our tests are published in Polish. There are not available other language versions of our tools.

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