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The Psychometrics Centre

Cambridge Judge Business School

We carried out the anglicisation and adaptation of the Wechsler Individual Achievement Test (WIAT-II) for Pearson Assessment in 2002. This new version of WIAT provides all the facilities and subtests previously supplied by WORD (the Wechsler Objective Reading Dimensions), WOND (the Wechsler Objective Numerical Dimensions (WOND), the Wechsler Objective Language Dimension (WOLD), the Wechsler Quick Test, and the first edition of the WIAT.  

WIAT-II has been normed on a representive sample of the UK population in regard to location, ethnicity and parential educational level. It supplies reliable assessment of reading, language and numerical attainment in one test. An expanded age range, more comprehensive items, and streamlined test materials are just a few of its many benefits. 

WIAT-IIUK is a rich, reliable source of information about an individual's achievement skills and it assesses problem-solving abilities by evaluating the process as well as the product. The WIAT-IIUK is directly linked to the WISC-IV UK and provides excellent comparisons of achievement and ability.

Ther subtests of WIAT-II include:

  • Word Reading
  • Reading Comprehension
  • Pseudoword Decoding
  • Numerical Operations
  • Mathematical Reasoning
  • Spelling
  • Written Expression
  • Listening Comprehension
  • Oral Expression

In order to better assess both low and high-functioning individuals, WIAT-IIUK includes more comprehensive items that provide a lower floor and a higher ceiling. It also includes advice on how to develop plans on the basis of the with detailed skills analysis information. This enables an examination of how individuals solve problems and employ strategies and how this performance matches curricular expectations.

Visit Pearson Assessment for more on WIAT-II

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