The Importance of Environmental Factors in the Development of Intelligence

Multiple Choice

The importance of environmental factors in the development of intelligence is illustrated by all of the following EXCEPT __________.

A) the intelligence scores of adopted children are correlated with the intelligence scores of their adoptive mothers
B) the greater the separation in age between brothers, the less correlated are their IQ scores
C) the longer children are in impoverished environments, the lower their intelligence scores are likely to be
D) the IQ scores of adopted children increasingly converge with those of their biological mothers as they approach adolescence