A cookie, also known as an HTTP cookie, web cookie, or browser cookie, is a small piece of data sent from a website and stored in a user's web browser while the user is browsing that website.

We use cookies to help identify your computer so we can tailor your user experience and remember where you are in relation to your survey response. You can disable any cookies already stored on your computer, but these may stop our website from functioning properly and allowing us to store and cross reference your survey response. We additionally use analytic cookies to track user activity in an anonymised way.

Cookies used by this site

Cookie Name Purpose More Information
Cookie Policy Acceptance cookie.policy This cookie indicates that a user has accepted the cookies policy of this site You can remove this cookie and thereby your consent by removing the cookie 'rack.policy' using the instructions at
Survey Session Data _survey_system_session This cookie stores an identification number that allows us to track your progress through the survey.

This cookie is empty when a user completes a survey and logs out.

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Google Analytics



We use Google analytics to track how users interact with our site so that we can improve the user experience. Data collected in this way is anonymous.

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To opt out of being tracked by Google Analytics across all websites visit

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