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Hall v. Florida, 572 U.S. 701 (2014), was a United States Supreme Court case in which the Court held that a bright-line IQ threshold requirement for determining whether someone has an intellectual disability (formerly mental retardation) is unconstitutional in deciding whether they are eligible for the death penalty.
Intellectual disability (ID), also known as general learning disability (in the United Kingdom), [3] and formerly mental retardation (in the United States), [4] [5] [6] is a generalized neurodevelopmental disorder characterized by significant impairment in intellectual and adaptive functioning that is first apparent during childhood.
Idiot indicated the greatest degree of intellectual disability in which a person's mental age is below three years. Imbecile indicated an intellectual disability less severe than idiocy and a mental age between three and seven years. Moron was defined as someone a mental age between eight and twelve. [85]
Supreme Court rulings in 2014 and 2017 allowed courts to consider IQ score ranges that are close to 70 along with other evidence of intellectual disability, such as testimony of "adaptive deficits."
[22] [23] Because the average of IQ is 100 and its standard deviation is 15, this rule places the threshold for intellectual disability at IQ = 70, and the symmetrical threshold for giftedness at IQ = 130 (rounded). [24] [25] [26] This arbitrary threshold is used by most psychologists [27] in most countries. [28]
IQ Range ("deviation IQ") IQ Classification 145–160 Very gifted or highly advanced 130–144 Gifted or very advanced 120–129 Superior 110–119 High average 90–109 Average 80–89 Low average 70–79 Borderline impaired or delayed 55–69 Mildly impaired or delayed 40–54 Moderately impaired or delayed
The Supreme Court on Monday declined to review whether a convicted murderer’s intellectual disability is severe enough that he can’t be executed, directing a lower court to first clarify its ...
Both dementia and intellectual disability are defined by neurologists as having an IQ that is two standard deviations below median (below about 70, when 100 is the median); the difference between these two classifications for intellectual disability is whether the low IQ represents a lifelong condition (intellectual disability), or a condition ...