Developmental systems theories are general perspectives on development, heredity, and evolution. What do they emphasize?
a. Critical periods of development that depend on the plasticity of the brain
b. Developmental influences of nature over nurture
c. Interactions and coactions among developmental influences
d. Developmental influences of nurture over nature
Question 2
Ryan is a six-year-old living in New York City. From the time he was eighteen months old, his nanny was a native Mandarin speaker. Ryan learned to speak Mandarin and speaks without an accent. What contemporary theme is illustrated by this example of Ryan?
a. The influence of nurturing during Ryan's infant development
b. The critical role of discontinuous development during Ryan's toddlerhood
c. The influence of nature in Ryan's development
d. The critical timing of Ryan's learning experience