GROWTH DEVELOPMENT CHILD
MEASUREMENT OF INTELLIGENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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is higher than 15
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is 15
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is lower than 15
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cannot be determined from the information.
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Detailed explanation-1: -The term ‘IQ’ was coined in 1912 by the psychologist William Stern in relation to the German term Intelligenzquotient. At that time, IQ was represented as a ratio of mental age to chronological age x 100. So, if an individual of 10 years of age had a mental age of 10, their IQ would be 100.
Detailed explanation-2: -85 to 114: Average intelligence. 115 to 129: Above average or bright. 130 to 144: Moderately gifted.
Detailed explanation-3: -IQ was originally computed by taking the ratio of mental age to chronological (physical) age and multiplying by 100. Thus, if a 10-year-old child had a mental age of 12 (that is, performed on the test at the level of an average 12-year-old), the child was assigned an IQ of 12/10 × 100, or 120.
Detailed explanation-4: -Hence, we conclude that child’s IQ would be 125.