Evidence highlights
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0.92
Corrected test-retest reliability coefficient for WISC-V’s Full Scale IQ test

0.88-0.93
Overall average reliability coefficients for WISC-V primary index scores

0.84-0.88
Raw score correlations between paper and digital formats of the test
Researching WISC-VÌý
We assembled evidence from a range of sources to support the validity, reliability, and fairness of WISC-V in assessing children’s intellectual ability.Ìý
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The test-retest reliability coefficient and overall average reliability coefficients above are based on a 2014 study of 2,200 US learners aged 6-16.Ìý
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The correlations between different forms of the test are based on a study of 651 participants aged 6-16.Ìý
Assessment Efficacy Report
A summary of relevant researchÌý
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