گزینههای پاسخ: I rarely or never read books., I read books more often in paper format., I read books more often on digital devices (e.g. e-reader, tablet, smartphone, computer)., I read books equally often in paper format and on digital devices., Valid Skip, Not Applicable, Invalid, No Response
گزینههای پاسخ: Break-off, Legal skip, Interviewer error, Refuse to answer, Don't Know, Agree very strongly with statement 1, Agree with statement 1, Agree with statement 2, Agree very strongly with statement 2, Agree with neither
گزینههای پاسخ: Break-off, Legal skip, Not applicable, Interviewer error, Refuse to answer, Don't know, To the best of the government interests, To the best of the opposition interests, Without reflecting interests of either of those
