Which of the following statements is true?
a. Newborns prefer sweet flavors.
b. Newborns prefer salty flavors.
c. Newborns have no preference regarding smells.
d. Newborns have no preference regarding tastes.
a
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Most developmental psychology studies use either longitudinal or cross-sectional research designs. Describe how a developmental psychologist could use a longitudinal design to study changes in fluid and crystallized intelligence as adults age
Then describe a similar cross-sectional study. Based on what you read about longitudinal and cross-sectional studies in Chapter 2 (How Psychologists Do Research), is it possible that the cross-sectional and longitudinal studies you propose could find conflicting results? If so, explain how. What will be an ideal response?
In the brain, myelination ____
a. deactivates neurotransmitters that have not been used b. reabsorbs neurotransmitters once the axon has released them. c. increases the efficiency of signal transmission d. helps relay messages across the synapse