Summary: Gale Muller, Ph.D., vice chairman and general manager of the Gallup World Poll, explains how Gallup scientifically measures the will of the people in 160 countries. Muller also discusses the mission behind Gallup's World Poll.
Summary: Gale Muller, Ph.D., vice chairman and general manager of the Gallup World Poll, explains how Gallup scientifically measures the will of the people in 160 countries. Muller also discusses the mission behind Gallup's World Poll.