Professor Voxel is asked by a student to explain the relative contribution of nature and nurture to intelligence. Which of the following would be the most accurate response?
a. "Although environment plays some role, genes cause the biological processes that determine our intelligence."
b. "Although genes play some role, environmental stimulation causes changes in our brain that determine our intelligence."
c. "Intelligence is determined by random factors and is not influenced by nature or nurture."
d. "The development of intelligence is the result of a complicated interaction between nature and nurture."
Answer: d
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One of the most important changes in cognitive capabilities during middle childhood is the
increase in selective attention. Thisincreased ability is related to a. increased motor control. b. increased auditory capabilities. c. hormonal development. d. increased myelinization in the frontal lobes.
Which of the following is TRUE of infant-directed speech?
a. Infants prefer adult-directed speech to infant-directed speech. b. Only mothers use infant-directed speech. c. Infant-directed speech seems to attract the infant's attention. d. The use of infant-directed speech makes it more difficult for infants to identify speech sounds.