Stanford-Binet 5 Score Interpretation
By Inderbir Kaur Sandhu, Ph.D
Q:
We just recently received our son's Stanford binet 10 test
results. He is in the 5th grade. In the following subjects
these were his scores. All other subjects were similar in
scores. He even had phs for grade equivalent on
several. Would he be considered gifted? Thanks!
Reading
| Scaled score |
percentile- |
Grade equivalent |
| 700 |
93 |
10.7 |
Math
| Scaled score |
percentile- |
Grade equivalent |
| 676 |
84 |
8.8 |
Language
| Scaled score |
percentile- |
Grade equivalent |
| 692 |
92 |
12.8 |
A: For the benefit of other
readers, a little information about this test. The Stanford-Binet
Intelligence Scales, Fifth Edition (SB5) which is a
standardized measurement of intelligence provides a
comprehensive coverage of five factors of cognitive ability
that is; Fluid Reasoning, Knowledge, Quantitative Reasoning,
Visual-Spatial Processing, and Working Memory.
There are 10 subtest scores and these scores combine to form
four types of composite scores which are; factor index,
domain, abbreviated, and full scale. Two subtests (one
verbal, the other its nonverbal complement) combine to form
each factor index. There are two domain scales; the
Nonverbal IQ (NVIQ) (combines the five nonverbal subtests)
and the Verbal IQ (VIQ) (combines the five verbal subtests).
Two routing subtests combine to form the Abbreviated Battery
IQ (ABIQ). And finally, the Full Scale IQ (FSIQ) combines
all 10 subtests. Average scores range from the 2-year-old
level (about 430) to the adult level (about 520).
The scores that you indicated alone may not be sufficient to
determine giftedness; the full scale IQ score would be
required for that. As a very rough guide for levels of
giftedness based on standardized IQ scores, one can assume
the following:
| IQ range |
Level of Giftedness |
| 115-130 |
High achiever |
| 130-145 |
Moderately gifted |
| 145-160 |
Highly gifted |
| 160-180 |
Exceptionally gifted |
| Above 180 |
Profoundly gifted |
Having said that, do bear in mind that this is a rough
estimate and all IQ scores are set within an error band
which can mean that an IQ of 130 could, in reality, be lower
at 128 or perhaps higher at 133. For the best interpretation
of the scores, you would need to provide the full details of
the scores with all the subset scores for a professional to
interpret. If this was done in school, you may want to speak
to the teacher in charge to find out more about the meaning
of the scores or ask to be referred to someone who is
familiar with the interpretation of the scores. All the
best!
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