BIOLOGICAL BASES OF BEHAVIOR
PREDICTING INDIVIDUAL DIFFERENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A 9 year old has the mental age of a 6 year old. What’s her IQ?
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67
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100
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133
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50
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Explanation:
Detailed explanation-1: -The IQ score was calculated by dividing the test taker’s mental age by their chronological age, then multiplying this number by 100. For example, a child with a mental age of 12 and a chronological age of 10 would have an IQ of 120: (12÷10) x 100 = 120.
Detailed explanation-2: -Scores of 90-109 are Average. Scores of 110-119 are High Average. An IQ of 125 is considered by many schools to be “gifted.” Scores of 120-129 are Superior. And scores above 130 are Very Superior.
Detailed explanation-3: -A normal IQ score is around 100. Children with ID have a low IQ score–most score between 70 and 55 or lower.
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