What do Wiat III scores mean?
Andrew Mckinney
Updated on May 31, 2026
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.
What is a raw score on Wiat III?
Scores Validation
| Subtest/Component Name | Grade | RS Range |
|---|---|---|
| Raw Score | 3-12 | 0-20 |
| Essay Composition Grammar and Mechanics (Supplemental subtest) | ||
| Correct Word Sequences | 3-12 | 0 -999 |
| Incorrect Word Sequences | 3-12 | 0 -999 |
What does basic reading measure on the Wiat III?
Skills assessed with WIAT-III The Basic Reading score indicates how well a child performs on reading tasks using both real and made-up words. The Reading Comprehension and Fluency score indicates how well a child performs on tasks requiring accuracy of reading and comprehension of texts.
Is the WIAT III an IQ test?
The WIAT is designed to assess academic performance and does not predict intelligence.
What do WIAT III subtests measure?
This test includes 16 subtests to measure listening, speaking, reading, writing, and mathematics skills.
What is the average range on the Wiat?
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 average WIAT?
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.
