Barbara Rogoff extended Vygotsky's theory. She discussed the teaching interaction between two people as they participate in a culturally valued activity. What did she call this concept?

Which of the following factors is linked to a person's ability to effectively cope with stress?

A. Intelligence B. Social support C. Absence of the 5HTTLPR gene D. Early life stress

Children in developed countries are healthier, and rates of both major and minor illnesses have decreased. Which policy has helped decrease the rates of minor illnesses in developed countries?

a. mandatory vaccinations for all children b. free prenatal screenings for pregnant women c. regulation of food production and content d. government regulation of banks and loans.