International Journal of School and Cognitive Psychology
Open Access

Abstract

Adaptive Intelligence Diagnosticum (AID): An IRT-Based Intelligence Test- Battery Fulfilling Many Practitioners’ Requests

Klaus D Kubinger

In this paper the intelligence test-battery AID (Adaptive Intelligence Diagnosticum; e.g. Kubinger, 2017) is introduced as an extraordinary economical means for practical case consulting of pertinent school and educational psychological problems. High measurement accuracy is provided due to adaptive testing, where almost only half the number of items is needed as compared to conventional tests. For this, a profile interpretation of the subtests’ results is actually serious, as the incorporated measurement errors are rather small, which entails that overlapping confidence intervals of the subtests’ results do not occur very often. All this is based on high psychometric standards, that is, Item Response theory (IRT). Furthermore, AID is attractive for practitioners who are aware that sometimes some “partial performance weakness” may be (additionally) causing the respective problem; there are several optional tests involved in a process-oriented neuro-functional hierarchy of basic abilities.