Card 14 / 54: Which is NOT true about IQ scores according to available evidence?
A)
IQ scores are holding steady around the world
B)
crystallized intelligence shows little decline in normal aging
C)
IQ scores, according to twin studies, are about 50% heritable
D)
birth-order has an effect on IQ scores
Answer:
A) IQ scores are holding steady around the world
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Prof.John GabrieliNeuroscientist
MIT Massachusetts Institute of Technology
USA
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