Tác giả: Alec Gallup

The Gallup Poll is the most comprehensive single source of American public opinion. For well over 60 years, the Gallup Organization has recorded the attitudes, beliefs, and values of Americans. The G …

This work is the only complete compilation of polls taken by the Gallup Organization, the world’s most reliable and widely quoted research firm. It is an invaluable tool for ascertaining the pulse of …