Author Question: Several variables are associated with longer life expectancy. One way to remove the possible ... (Read 50 times)

imowrer · **on:** Jul 8, 2018

Several variables are associated with longer life expectancy.

One way to remove the possible effects of per-capita income as a variable is to examine only countries with similar levels of income per capita. This is an example of using:
a. the comparative cases method.
b. the multiple cases method.
c. a control variable.
d. quantitative comparative analysis.

Question 2

Which of the following is NOT a hypothesis?

a. Higher GDP per capita is associated with higher levels of happiness.
b. The higher the level of trust among citizens in a country, the lower the homicide rate.
c. Authoritarian governments are more successful at promoting economic growth than democratic ones.
d. Income inequality has increased in the United States since 1980.