The aim of this survey was to identify the attitudes of the public in the United States and in 12 European countries towards foreign policy and transatlantic issues. This survey concentrated on issues such as: United States and European Union (EU) leadership and relations, favorability towards certain countries and institutions, security, cooperation and the perception of threat, including concerns over Afghanistan, Iran, and Russia, Turkey and Turkish accession to the EU, climate change and the international economic crisis, and economic versus military power. Several questions were also asked pertaining to voting and politics including whether respondents discussed political matters with their friends and whether they attempted to persuade others close to them to share their views on politics which they held strong opinions about, their assessment of the current United States President, their political party attachment, their vote intention for the next national elections, their voting behavior in the November 2008 United States presidential election, and their left-right political self-placement. Demographic and other background information includes age, gender, race, age when finished full-time education and stage at which full-time education completed, occupation, household composition, type of locality, and region of residence.

computer-assisted personal interview (CAPI); computer-assisted telephone interview (CATI); paper and pencil interview (PAPI)The original data collection was carried out by TNS Opinion - Brussels, on request of the German Marshall Fund of the United States.The codebook and setup files for this collection contain characters with diacritical marks used in many European languages.A split ballot was used for one or more questions in this survey. The variable SPLIT defines the separate groups for the countries of Bulgaria, Romania, Slovenia, and Turkey. Split ballots in other countries are fully randomized.The fieldwork dates in the data file for Romania and Turkey are not consistent with the fieldwork dates in the "Technical Note" section of the ICPSR codebook.For data collection, the computer-assisted face-to-face interview was used in Poland, the paper and pencil interview was used in Bulgaria, Romania, Slovakia, and Turkey, and the computer-assisted telephone interview was used in all other countries. For the computer-assisted telephone interview, only fixed telephone lines are included.Additional information on the Transatlantic Trends Survey is provided on the Transatlantic Trends Web site.

(1) Stratified multistage random sampling (3 steps selection) was implemented in the countries using face-to-face interviewing. Sampling points were selected according to region and urbanization, and then random routes were conducted within these sampling points. The closest birthday rule was used to randomly select respondents within each household. Four callbacks were used for each address. (2) Random-digit dialing was implemented in the countries using telephone interviewing. Eight callbacks were used for each telephone number. The closest birthday rule was used to randomly select respondents within a household.

The adult population (aged 18 years and over) with access to a landline telephone in 13 countries: Bulgaria, France, Germany, Italy, the Netherlands, Poland, Portugal, Romania, Slovakia, Spain, Turkey, the United Kingdom, and the United States. Smallest Geographic Unit: country

Response Rates: The total response rate for all countries surveyed is 18 percent. Please refer to the "Technical Note" in the ICPSR codebook for additional information about response rate.

Please refer to the "Technical Note" in the ICPSR codebook for further information about weighting.

Datasets: DS1: Transatlantic Trends Survey, 2009