Scientists believe that ______ is(are) implicated in the causation of schizophrenia
a. multiple genes
b. a single gene that affects dopamine receptor sites
c. a single gene that affects both dopamine and serotonin receptor sites
d. a single gene that affects both thought and affect
A
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If a child was adopted as an infant and never had contact with her or his biological parents, the child would likely develop an IQ that __________
a) more closely resembled the adoptive parents' IQ. b) more closely resembled the IQ of the biological siblings in the adoptive family. c) more closely resembled the biological parents' IQ. d) falls somewhere between that of the biological and adoptive parents.
Piaget's preoperational stage consists of individuals between the ages of ______
2 and 7 || birth and 2 || 7 and 11 || 11 and adulthood || || ||