Card 15 / 45: Which is NOT true about IQ scores according to available evidence?
A)
IQ scores are steadily rising around the world.
B)
Crystallized intelligence shows little decline in normal aging.
C)
Fluid intelligence shows little decline in normal aging.
D)
IQ scores, according to twin studies, are about 50% heritable.
Answer:
C) Fluid intelligence shows little decline in normal aging.
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Prof.John GabrieliNeuroscientist
MIT Massachusetts Institute of Technology
USA
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