Logan is a 2-year-old who demonstrated normal abilities at birth but since that time, he has been left in his cribs for days. No one answers his cries, reads to him, or rocks him. He does not get fed on a regular basis and is underweight for his age. As

a result of this neglect, he does not speak, is just now pulling up to walk, and his IQ is measured at 65. This is an example of __________.

a) a gene-environment correlation
b) a gene-environment interaction
c) a developmental delay
d) Down’s syndrome


Answer: B

Psychology

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