Infants' decline in crying as they mature in age during the first year is best understood in terms of
a. extinction of crying when parents do not respond.
b. responsive parents who prevent the baby's distress.
c. reinforcement of crying when parents give attention.
d. degeneration of the brain's "crying center" with aging.
B
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Which life goal is NOT correlated with a greater feeling of life satisfaction?
a. Helping one's family b. Getting rich c. Advancing a religious or political cause d. Gaining scientific knowledge
Discuss the factors associated with higher rates of childhood mortality. What actions can help reduce childhood mortality?
What will be an ideal response?
According to PET scans, which of the following areas are the first to show activity when a voluntary movement is initiated?
a. the occipital and temporal lobes b. the parietal and frontal lobes c. the supplementary motor area and the premotor area d. the premotor area and the parietal lobes
According to Freud, the two most powerful drives are libido and ____
a. genital c. polygamy b. phallic d. thanatos