X Is the questionnaire relevant to the lives, attitudes and beliefs of the respondents? X Can the respondents read if they are to be given a selfadministered questionnaire? X Are there any language issues? Do you need to translate the questionnaire into another language? X Are your intended respondents likely to co-operate? For example, illegal immigrants may be less likely to fill in a questionnaire than legal immigrants. X Is the questionnaire well constructed and well laid out? X Is it clear, concise and uncluttered? X Are the instructions straightforward and realistic about how long it will take to complete? X Has the respondent been told who the research is for and what will happen to the results? X Has the respondent been reassured that you understand and will comply with the Data Protection Act? X Has the questionnaire been piloted to iron out any problems? X Can your respondents see some personal benefit to be