Glossary / Lexicon
Profound mental retardation
profound mental retardation is an IQ level below 20 or 25.
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Severe mental retardation: severe mental retardation is an IQ level in the range of 20-25 to 35-40 . . . Read More | |
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- Williams syndrome (WS) : Williams syndrome (WS) refers to a neurodevelopmental disorder characterized . . . Read More | |
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Standardized test refers to a test that compares a child's performance with the performance of a large . . . Read More | |