Frey and Al-Roumi (1999) Gathered Data on the Quality of Life

Frey and Al-Roumi (1999) gathered data on the quality of life from 87 countries of the world. They found that the quality of life was _____.

A) related to whether the country was a Christian nation or not
B) directly related to the country speaking English as their primary language
C) related to the level of political democracy found in the country
D) related to whether the country was ran by a man or a women