This comprehensive battery offers a broad picture of a child's abilities with attractive materials and carefully designed game-like tasks suitable for children of both sexes and from various ethnic, regional and socio-economic backgrounds. The 18 subtests are organised into 6 scales, which are especially suited for differential diagnosis:
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Verbal
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Perceptual Performance
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Quantitative
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General Cognitive
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Memory
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Motor
The overall measure of intellectual functioning (GCI - General Cognitive Index) is derived from the Verbal, Quantitative and Perceptual Performance scales. Mental age equivalents from this index extend from 1 year 4 months to 12 years 6 months.