what should be the IQ of a normal person and intelligent person???
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normal personal 90 to 100 an d intelligent 100 to 110
virus4u:
research paper u can say
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Lewis Terman (1916) developed the original notion of IQ and proposed this scale for classifying IQ scores:
Over 140 - Genius or near genius
120 - 140 - Very superior intelligence
110 - 119 - Superior intelligence
90 - 109 - Normal or average intelligence
80 - 89 - Dullness
70 - 79 - Borderline deficiency
Under 70 - Definite feeble-mindedness
Normal Distribution & IQ Scores
The properties of the normal distribution apply to IQ scores:
50% of IQ scores fall between 90 and 110
70% of IQ scores fall between 85 and 115
95% of IQ scores fall between 70 and 130
99.5% of IQ scores fall between 60 and 140

Low IQ & Mental Retardation
5% of people have an IQ under 70 and this is generally considered as the benchmark for "mental retardation", a condition of limited mental ability in that it produces difficulty in adapting to the demands of life.
Severity of mental retardation can be broken into 4 levels:
50-70 - Mild mental retardation (85%)
35-50 - Moderate mental retardation (10%)
20-35 - Severe mental retardation (4%)
IQ < 20 - Profound mental retardation (1%)
High IQ & Genius IQ
Genius IQ is generally considered to begin around 140 to 145, representing ~.25% of the population (1 in 400). Here's a rough guide:
115-124 - Above average (e.g., university students)125-134 - Gifted (e.g., post-graduate students)135-144 - Highly gifted (e.g., intellectuals)145-154 - Genius (e.g., professors)155-164 - Genius (e.g., Nobel Prize winners)165-179 - High genius180-200 - Highest genius>200 - "Unmeasurable genius"
More notes on High IQ and Genius IQ:
Einstein was considered to "only" have an IQ of about 160.
Mensa is a society for people with high IQ, in the top 2% (1 in 50).
In 1926, psychologist Catherine Morris Cox published a study "of the most eminent men and women" who had lived between 1450 and 1850 to estimate what their IQs might have been.
Over 140 - Genius or near genius
120 - 140 - Very superior intelligence
110 - 119 - Superior intelligence
90 - 109 - Normal or average intelligence
80 - 89 - Dullness
70 - 79 - Borderline deficiency
Under 70 - Definite feeble-mindedness
Normal Distribution & IQ Scores
The properties of the normal distribution apply to IQ scores:
50% of IQ scores fall between 90 and 110
70% of IQ scores fall between 85 and 115
95% of IQ scores fall between 70 and 130
99.5% of IQ scores fall between 60 and 140

Low IQ & Mental Retardation
5% of people have an IQ under 70 and this is generally considered as the benchmark for "mental retardation", a condition of limited mental ability in that it produces difficulty in adapting to the demands of life.
Severity of mental retardation can be broken into 4 levels:
50-70 - Mild mental retardation (85%)
35-50 - Moderate mental retardation (10%)
20-35 - Severe mental retardation (4%)
IQ < 20 - Profound mental retardation (1%)
High IQ & Genius IQ
Genius IQ is generally considered to begin around 140 to 145, representing ~.25% of the population (1 in 400). Here's a rough guide:
115-124 - Above average (e.g., university students)125-134 - Gifted (e.g., post-graduate students)135-144 - Highly gifted (e.g., intellectuals)145-154 - Genius (e.g., professors)155-164 - Genius (e.g., Nobel Prize winners)165-179 - High genius180-200 - Highest genius>200 - "Unmeasurable genius"
More notes on High IQ and Genius IQ:
Einstein was considered to "only" have an IQ of about 160.
Mensa is a society for people with high IQ, in the top 2% (1 in 50).
In 1926, psychologist Catherine Morris Cox published a study "of the most eminent men and women" who had lived between 1450 and 1850 to estimate what their IQs might have been.
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