Test identification

Name of test Wechsler Individual Achievement Test – Third Edition
Previous version(s) WIAT, WIAT-II, WIAT-II UK, WIAT-II UK-T (literacy only), WIAT-III, WIAT-III UK, WIAT-III UK-T (literacy only)
Subjects Literacy, Maths
Summary Assessment of reading, language and numerical attainment in one test (with multple subtests).

Assessment screening

Subscales Listening comprehension, oral expression, early reading skills, word reading, pseudoword decoding, reading comprehension, oral reading fluency, alphabet writing fluency, spelling, sentence composition, essay composition, maths problem solving, numeracy, maths fluency (addition, subtraction, multiplication).
Authors David Wechsler
Publisher Pearson Clinical
Test source https://www.pearsonclinical.co.uk/Psychology/ChildCognitionNeuropsychologyandLanguage/ChildAchievementMeasures/wiat-iii/wechsler-individual-achievement-test-third-uk-edition-wiat-iii-uk.aspx
Guidelines available? Yes
Norm-referenced scores. Yes
Age range 4–25;11 years
Key Stage(s) applicable to EY, KS1, KS2, KS3, KS4, KS5
UK standardisation sample No
Publication date 2017
Re-norming date N/a


Note whether shortlisted, and reasons why not if relevant No UK standardisation available