Wolfgang Horn
Polish adaptation and manual:
Elżbieta R. Dajek (1998)
Children aged 12 and over, adolescents.
Group or individual administration; testing with one version takes 70-75 min.
Test users:
Psychologists (psychology diploma required).

The test measures intelligence.

DESCRIPTION: The ZTU has two parallel versions (A and B). each of which consists of the following eight verbal and nonverbal sub-tests: 1. Pattern completion, 2. Discovering the principle, 2. Letter completion, 4. Arithmetic, 5. Spelling, 6. Scoring out, 7. Letter counting, and 8. Concentration. Each sub-test has a time limit and begins with very easy problems and proceeds to increasingly more difficult problems. Thanks to the great variety and simplicity of the problems, subjects stay focused and motivated to solve as many problems as possible. Scoring with the scoring keys takes just a few minutes.

RELIABILITY: High coefficients of internal consistency.

VALIDITY: Satisfactory correlations of some sub-test with Raven’s Progressive Matrices and vocabulary test.

NORMS: Polish standard ten norms have been developed for the following age groups: 12;6-13;5, 14;6-15;5, 15;6-16;5 and 17;6-18;5.


•    Kit (manual, Polish standardization of the ZTU, 50 answer sheets for version A, 50 answer sheets for version B, scoring key for version A, scoring key for version B)
•    Answer sheets for version A (50 copies)
•    Answer sheets for version B (50 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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