گزینههای پاسخ: I could do this easily, I could do this with a bit of effort, I would struggle to do this on my own, I couldn't do this, Valid Skip, Not Reached, Not Applicable, Invalid, No Response
گزینههای پاسخ: Never or almost never, A few times a year, About once a month, Several times a month, Several times a week, Valid Skip, Not Applicable, Invalid, No Response
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
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
