• USOPINION: Please tell me if you have a very favorable, somewhat favorable, somewhat unfavorable, or very unfavorable opinion of the United States. 0 = Very unfavorable; 1 = somewhat unfavorable; 2 = somewhat favorable; 3 = very favorable.²

• USTRAVEL: Have you ever traveled to the United States? 0 = No; 1 = Yes.

• ADUSST: Which comes closer to describing your view? I admire the United States for its technological and scientific advances, or I do not admire the United States for its technological and scientific advances. 0 = I do not admire the United States for its technological and scientific advances; 1 = I admire the United States for its technological and scientific advances.

• USTRADUSST = 1 if USTRAVEL = 1 and ADUSST = 1; USTRADUSST = 0 otherwise.

The dataset included Canada, France, the United Kingdom, Italy, Germany, the Czech Republic, the Slovak Republic, Poland, Ukraine, Russia, Bulgaria, Egypt, Uzbekistan, Jordan, Pakistan, Lebanon, Turkey, Guatemala, Mexico, Honduras, Venezuela, Argentina, Brazil, Peru, Bolivia, South Korea, Vietnam, Japan, Indonesia, the Philippines, China, India, Bangladesh, Nigeria, South Africa, Ivory Coast, Senegal, Kenya, Uganda, Ghana, Angola, Mali, and Tanzania.

We first examined the raw correlation between one’s opinion of the United States and whether one has visited the United States. About 8 percent of respondents had visited the United States. Among those who had visited the United States, the mean opinion of the United States was 1.82 on a scale, described at the end of this appendix, of 0-3. Among those who had not visited the United States, the mean opinion of the United States was 1.41. This is displayed in Figure C-1.

In light of the events of 9/11, policy makers may be particularly interested in how many of those who have visited the United States have very negative opinions of the United States. The distribution of opinions about