5. It can be inferred from the passage that which of the following statements was true of American families over the course of the nineteenth century?
(A) The average size of families grew considerably.
(B) The percentage of families involved in industrial work declined dramatically.
(C) Family members became more emotionally bonded to one another.
(D) Family members spent an increasing amount of time working with each other.
(E) Family members became more economically dependent on each other.

6. Zelizer refers to all of the following as important influences in changing the assessment of children's worth EXCEPT changes in
(A) the mortality rate
(B) the nature of industry
(C) the nature of the family
(D) attitudes toward reform movements
(E) attitudes toward the marketplace

7.Which of the following would be most consistent with the practices of sociological economics as these practices are described in the passage?
(A) Arguing that most health-care professionals enter the field because they believe it to be the most socially useful of any occupation
(B) Arguing that most college students choose majors that they believe will lead to the most highly paid jobs available to them
(C) Arguing that most decisions about marriage and divorce are based on rational assessments of the likelihood that each partner will remain committed to the relationship
(D) Analyzing changes in the number of people enrolled in colleges and universities as a function of changes in the economic health of these institutions
(E) Analyzing changes in the ages at which people get married as a function of a change in the average number of years that young people have lived away from their parents