In poor inner-city neighborhoods, children sometimes eat paint that is flaking off walls. This can sometimes lead to intellectual developmental disorder due to: A. microcephaly. B. encephalitis. C. lead poisoning. D. meningitis.

The nature–nurture issue refers to the debate over the relative contributions that make to the development of psychological traits. a.introspection and nerve cell activity b.unconscious and conscious motives c.behavior and mental processes d.genes and experience