Short Answer TypeHow are IQ scores distributed in a population?
Intelligence Quotient (IQ). IQ refers to mental age divided by chronological age, and multiplied by 100.
Distribution of IQ score in a population-
IQ scores are distributed in such a way that the IQ scores of most people tend to fall in the middle range of the distribution. Most people show a moderate level of performance i.e. in the middle range of the distribution.
Very few are on extremes showing:-
a) Extreme high (excellent) performance (2.2%)
b) Extremely low (very poor) performance (2.2%
Frequency distribution of IQ Scores – tends to approximate a bell-shaped curve. It is called Normal Curve where the curve does not touch the x-axis.There is no one with 0 IQ.
State two psychological disorders in which cognitive behaviour therapy is used for treatment.
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