Wechsler Individual Achievement Test - Third UK Edition (WIAT-II

Wechsler Individual Achievement Test - Third UK Edition (WIAT-III UK)

View Full-Size Image	Wechsler Individual Achievement Test - Third UK Edition (WIAT-III UK) Purpose WIAT-IIl UK provides a reliable assessment of reading, language and numerical attainment in one test. Age Range 4 to 25 years 11 months Administration Individual - 45 to 90 minutes depending on the age of the examinee


Wechsler Individual Achievement Test - Third UK Edition (WIAT-III UK) Features and Benefits Subtests: 16 subtests to evaluate listening, speaking, reading, writing, and mathematics skills 3 new subtests - oral reading fluency, maths fluency and early reading skills Eight composite scores Oral Language Total Reading Basic Reading Reading Comprehension and Fluency Written Expression Mathematics Maths Fluency Total Achievement Scores Age-based standard scores Percentile ranks NCE’s Stanines age equivalents Psychometric Information The WIAT®-III^UKwas standardised on a fully stratified sample of 744 children and young people, based on the UK 2011 Census. The WIAT®-III^UKwill be correlated with the Wechsler achievement tests of comparable ages. Updates to support EHCP, DSA and AA requirements, and best practice: New UK norms from 4:0 - 25:11 years Upwards extension of UK norms to 25:11 years Standard scores for all subtests Comparisons with Wechsler ability scores The Technical Manual does however also include the US norms up to age 50. Please note that any administrations from the age of 26 upwards would require hand scoring.

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