Methodology

2006 METHODOLOGY
The 2006 Edelman Trust Barometer was fielded in October 2005. The study was a 25-minute telephone survey of opinion leaders (screened to be 35-64, have an annual income of over $75,000 – or equivalent; college graduates; report being engaged in media, business, and public policy issues).

WorldOne Research managed the fielding in the following countries:

400 interviews in the US
200 interviews in China (Shanghai, Beijing, and Guangzhou only)
150 interviews each in the UK, Germany, France, Brazil, Japan, Canada, Italy, Spain, and South Korea

Margin of Error
The margin of error is ±4.9% for the US sample; ±3.6% for the European sample; ±6.9% for the China sample (Shanghai, Beijing, and Guangzhou only); and ±8.0% for the UK, France, Germany, Canada, Japan, Brazil, Italy, Spain, and South Korea samples.