Dear friends, Sir or Madam,

We are studying the perception of colours in connection with colour names in different languages.

We invite you to participate in this survey by filling in the fields below and on the next page. Completing the survey takes approximately five minutes.

Participation is open only to persons aged 18 years or older.

Your participation in this survey is entirely voluntary. By clicking the “Submit” button, you confirm that you have chosen to participate voluntarily and that you understand you may stop participating at any time without any consequences.

No personal data is collected or stored as part of this survey. Your responses will be treated anonymously and used solely for research and analytical purposes.

By clicking the “Submit” button, you confirm that:
-you are 18 years of age or older;
-you have read and understood the information above;
-you voluntarily agree to participate in the study; and
-you consent to the anonymous use of your responses for research purposes.

Thank you for your participation.

Marko Kreft, Samo Kreft,
authors