How do you interpret WAIS-IV score?

How do you interpret WAIS-IV score?

Perceptual Reasoning Index (PRI) – reflects an individual’s ability to accurately interpret, organize and think with visual information….Score Interpretation of WAIS IV and MMPI II.

Full Scale IQ Percentile Range Classification
120 to 129 91 to 97 Superior
110 to 119 75 to 90 High Average
90 to 109 25 to 73 Average
80 to 89 9 to 23 Low Average

What is the average WAIS-IV score?

Average IQ score by age

Age Average The average IQ score by age
16-17-year-olds 108
Adults between 18 and 19 years 105
For people between 20 and 24 years of age 99
For people between 24 and 34 years of age 97

What is a good score on the WAIS?

The average score for the test is 100, and any score from 90 to 109 is considered to be in the average intelligence range. Score from 110 to 119 are considered to be High Average. Superior scores range from 120 to 129 and anything over 130 is considered Very Superior.

What is a scaled score on the WAIS-IV?

Scaled score from 1-4 is described as exceptional weakness, very poorly developed, or far below average with a corresponding percentile rank of 1-2. Scaled score from 5-7 is described as weakness, poorly developed, or below average with a corresponding percentile rank of 5-16.

What is a good FSIQ score?

The primary index scores range from 45 to 155; the FSIQ ranges from 40 to 160. For both the primary index scores and the FSIQ, scores ranging from 90 to 109 are typically considered average.

How is WAIS-IV FSIQ calculated?

FSIQ = 25 + 0.75*S where S is the Sum of Scaled Scores. The 100’s are the means of the two distributions and the 15 and 20 are their standard deviations. All of this can be obtained by publically released information.

What do WAIS-IV subtests measure?

The subtest was developed to measure non-verbal reasoning and the ability to understand abstract visual information. The individual is presented with a picture of a pair of scales in which there are missing weights, and they have to choose the correct weights to keep the scales in balance.

What does the PSI measure on the WAIS-IV?

The Processing Speed Index (PSI) measures the speed of mental processing, using visual stimuli and graphomotor skills, and is related to the efficient use of other cognitive abilities.

What is a composite score on the WAIS?

The Full Scale IQ (FSIQ) composite score is derived from 10 subtest scores and is considered the most representative estimate of global intellectual functioning.

What WAIS score is between 85 and 115?

By the 68-95-99.7 rule, 68% of the people have WAIS scores between 100-15 and 100+15. Namely, 99.7% of the people have WAIS scores between 85 and 115. Hence, 32% of the people have WAIS scores below 85 or above 115.

What are the 6 indexes on the WAIS-IV?

Index scores and scales Verbal Comprehension Index (VCI) Perceptual Reasoning Index (PRI) Working Memory Index (WMI) Processing Speed Index (PSI)

What WISC IV score is gifted?

by Carolyn K., director, Hoagies’ Gifted Education Page

Level of Giftedness Full Scale IQ score WISC-IV, WPPSI-III source: Assessment of Children
gifted or moderately gifted (G or MG) 130-138
highly gifted (HG) 138-145
exceptionally gifted (EG) 145-152
profoundly gifted (PG) 152-160

What FSIQ is gifted?

While each program has its own entrance requirements, an FSIQ of 115 – 129 is generally considered “mildly gifted,” an FSIQ of 130 – 144 is generally considered moderately gifted, and an FSIQ of 145 to 159 is generally considered “highly gifted.”

What WISC score is gifted?

Here are all the Standard Score ranges for the WISC-V:

Score Range What to Expect
Highly Gifted: 146-159. Students who test in this range are highly/exceptionally gifted and do not generally struggle in school.






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