Today's increasingly international society has created a growing need for psychological assessment techniques that take the cultural aspect into consideration. The intelligence test battery AID 3 ("Adaptive Intelligence Diagnosticum", Version 3, Kubinger & Holocher-Ertl, 2014) has been translated and adopted from the German into an English version (AID English) and this study examines whether the AID English is suitable to asses cognitive abilities of English educated children between six and

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... fteen years old living in a European context outside of Great-Britain. 202 not necessarily English native speaking children (111 girls and 91 boys), aged between 6 and 16, were tested individually in Austria and Germany. A Rasch model analysis, using the Andersen's likelihood ratio test and graphical model check with the three partition criteria score (low vs. high score), sex (male vs. female) and language (English native vs. non-English native) was carried out to establish whether the items of the AID English guarantee fair scoring between these subgroups. One of the subtests had to be analyzed with a partial credit model due to its polytomous response model. As a result of the small sample size, a number of ill-conditioned items had to be unconsidered and in two of the seventeen subtests some non Rasch model conform items had to be deleted in order to achieve model conformity. Excluded and deleted items were qualitatively investigated and should be revised for future prospects. This psychometric analysis of the AID English for an English educated European population showed promising results in regard to the future use of this valuable instrument.