In 2005, what percentage of all births in the United States was to unwed mothers?

In 2005, what percentage of all births in the United States was to unwed mothers?
 
  a. 12 c. 36
  b. 28 d. 52

Question 2

All of the following changes over the latter part of the 20th century had an initially gradual but eventually profound effect on families except
 
  a. birth control became readily available.
  b. people became parents at younger ages.
  c. divorce rates increased.
  d. women entered the workforce in greater numbers.

Question 3

Lerner's model of the developmental contextual view of development includes all of the terms except
 
  a. family. c. community.
  b. marriage network. d. school network.

Question 4

Families do not exist in isolation but are part of a larger, intertwined community and must be viewed as
 
  a. open systems. c. external systems.
  b. fluid systems. d. dynamic systems.