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ʵԻѭ

ؤźͧҧʵԻѭ

 
 
 
 
ؤźͧҧʵԻѭ
дѺǹѭ ͤ (IQ ͨҡ Intelligence quotient) ¶֧ Ҵҧǹѭ äԴ ˵ؼ äӹdz § ͤ ѡҾҧͧԴԴ ¹ŧҡ ͤ öѴ͡繤ѴǹŢ͹
èѴṡдѺǹѭ
 
IQ.
èѴṡдѺǹѭ
 
55-69
ѭ͹硹 (Mild mental retardation)
 
40-54
ѭ͹ҹҧ (Moderate mental retardation)
 
25-39
ѭ͹ҡ (Severemental retardation)
 
25-
ѭ͹ش (Profoundmental retardation)