Literal question
<span class="em">11. What is your mother tongue</span><div class="i1">[] 1 Russian - Skip to question 13<br />[] 2 Not Russian, indicate language ________</div><span class="em">12. Are you fluent in Russian?</span><div class="i1">[] 1 Yes<br />[] 2 No</div>
Interviewer instructions
<span class="em">9. Language proficiency</span>
<br />Language proficiency means an ability to speak, read and write, or only to speak a given language.</p>
<p><span class="em">Question 9.1. Do you know the Russian language?</span>
<br />"Yes" should indicate those who know Russian.
<br />"No" should indicate those who do not know Russian.