What is Wechsler Individual Achievement Test 3rd Edition?
The Wechsler Individual Achievement Test – Third Edition (WIAT-III; Wechsler, 2009) is an individually-administered, norm-referenced test for comprehensively assessing the achievement of children, adolescents, college students, and adults ages 4 through 50 years, 11 months.
Can we still use the WIAT-III?
Yes, you can use an existing KTEA-3 or WIAT-III administration with the new Dyslexia Index score manual. It will provide a new score and that was not available before in the WIAT-III test.
What is the WIAT-III used for?
The Wechsler Individual Achievement Test (WIAT-III) is a comprehensive, individually administered test for assessing the achievement of children, adolescents, tertiary students and young adults who are aged four years to 19 years, 11 months or in preschool through to Year 12.
When was the Wechsler Individual Achievement Test 3rd edition published?
2009
The WIAT-III US edition was published in 2009 for use with those aged 4 till 50 years and 11 months. It includes 16 subtests which is divided into Oral Reading, Math Fluency and Early Reading Skills.
What do WIAT III scores mean?
One of the most common tests used is the Wechsler Individual Achievement Test: Third Edition (WIAT-III). Subject abilities are depicted using standard scores and percentile ranks. Average scores are those that range from 85 to 115. Scores above and below the “typical” range show academic strengths and weaknesses.
How long can you use WIAT III?
The manual (pp. 1) says that the test only goes up to 19 years, 11 months because in the U.S. the initial release of WIAT–III did not include adult norms.
Is the WIAT-III an IQ test?
The WIAT is designed to assess academic performance and does not predict intelligence.
What do WIAT-III scores mean?
How long can you use WIAT-III?
When was the WAIS-IV published?
2008
The original WAIS (Form I) was published in February 1955 by David Wechsler, as a revision of the Wechsler-Bellevue Intelligence Scale. The fourth edition of the test (WAIS-IV) was released in 2008 by Pearson.
What is the average range on WIAT-III?
90-109
Average scores range from 90-109. Low scores range from 80-89. Borderline scores range from 70-79. Extremely Low scores are scores under 69.
What is the average score of the Wechsler test?
100
On the WAIS, Wechsler instead compared scores of the test-taker to those of others in his or her general age group. The average score is fixed at 100, with approximately two-thirds of all scores falling somewhere between 85 and 115.
