The United States has a per capita energy consumption rate that is
a. the highest in the world.
b. equal to that of Great Britain and West Germany.
c. twice as high as that of China.
d. about average for industrialized countries.
Question 2
Ricardo wants to generalize his findings on wife-battering to a larger population. Ricardo should use __________.
A) surveys
B) experiments
C) case studies
D) field studies