An 8-year-old child who scored like an average 10-year-old on an intelligence test would have a mental age of __________ and an IQ of __________
a) 8; 80
b) 8; 125
c) 10; 100
d) 10; 125
ANS: D, The IQ is based on a mental age of 10 divided by a chronological age of 8 and multiplied by 100. This gives an IQ of 125.
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