IQ Test
All attempts — adaptive cognitive assessment (505-item bank)
How to read these scores
These are estimated cognitive indices, not clinical IQ scores. The test is not normed against a standardization sample, so its scale rests on authored difficulty estimates rather than measured performance in a reference population. Always read the confidence interval, not just the point value.
Do not use these results for placement, streaming, referral, or any decision about a student. Cognitive ability assessment for those purposes must be performed by a licensed psychologist using a normed instrument.
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Total Attempts
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Mean Index
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Observed SD
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Extrapolated (>145)
Cohort accuracy by domain
Accuracy reflects the adaptive difficulty each student encountered, so it is not comparable across domains as a difficulty measure.
All Attempts
No completed assessments yet.