Question list submitted to a certain number of people whose answers are then used to compile quantitative or qualitative statistical information. Questionnaires are a means of obtaining primary data and are useful in market research, for example.
White, blue, and red became known as the pan-Slavic colours, influencing many other Eastern European flags. White, blue, and red are also the colours of the arms of the Duchy of Moscow. Effective date: 11 December 1993.