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Test Retest Reliability Resources & Guides

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#test-retest reliability

#test-retest reliability

Authoritative guides on IQ testing, scoring methodology, careers, and our product.

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Is a Gifted IQ Score Reliable? The Math Says 1 in 4 Won't Repeat

Is a Gifted IQ Score Reliable? The Math Says 1 in 4 Won't Repeat

July 1^st, 2026

A gifted IQ score of 130 feels like a verdict, yet the reliability math expects more than 1 in 4 one-shot labels to regress below the line on a retest.

17 min•Read more

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