The process by which people concentrate on particular skill areas to compensate for losses in other areas is called

Erikson is one of the most influential theorists of infant social development. Who is the other?

a. Piaget b. Freud c. Skinner d. Bowlby

Beyond infant and child mortality, which of the following makes up the vast difference in life expectancy between developed and developing countries?

a. Access to health care in late adulthood b. The degree of physical labor required of jobs c. Carcinogens and toxins in the environment d. The type of diet