Classification of Intelligence
Individuals
have been classified into different categories according to their IQ. The
classification done based on the distribution of IQ on Terman’s scale.
Scale is as follow:
Intelligence Quotient (IQ) Classification
140 and
above Genius
120-139 Very
superior
110-119 Superior
90-109 Average
80-89 Dull
70-79 Boarder
line
70 and below Feeble
minded (mentally retarded)
a)
Morons - IQ = 50-69
b)
Imbeciles -IQ = 25-49
c)
Idiots -IQ
below 25
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