GROWTH DEVELOPMENT CHILD
MEASUREMENT OF INTELLIGENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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100
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95
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150
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125
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110
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Detailed explanation-1: -Hence, we conclude that if a student’s chronological age is 4 years and the mental age is 5 years, his I.Q. will be 125.
Detailed explanation-2: -Explanation: C) The original intelligence quotient was determined by dividing mental age by chronological age. For example, if a five-year-old child performed at a mental age of 7, his/her IQ would be 140 (7/5 ⇑ 100).
Detailed explanation-3: -mental age, intelligence test score, expressed as the chronological age for which a given level of performance is average or typical. An individual’s mental age is then divided by his chronological age and multiplied by 100, yielding an intelligence quotient (IQ).
Detailed explanation-4: -a numerical scale unit derived by dividing an individual’s results in an intelligence test by the average score for other people of the same age. Thus, a 4-year-old child who scored 150 on an IQ test would have a mental age of 6 (the age-appropriate average score is 100; therefore, MA = (150/100) × 4 = 6).