List of running surveys

Surveys marked with the symbol are protected. These surveys can only be filled in if you have the proper permissions.

Selecting certain surveys may require an access keyword. The keyword was given to pre-qualified respondents and cannot be used for identification purposes. The heading information in each survey often describes the privacy principles in effect, but for further clarification, please see our privacy statement.

Surveys require the use of cookies . Please see our privacy statement for the reason why. Because of the interactive nature of the surveys, we prefer that you use the Internet Explorer 5 or newer browser. Netscape 6 or newer should also work for most surveys. Please click on the symbol below if you need to download and install Microsoft's free browser.