Whether questions and answers are transmitted between interviewer and respondent by visual or aural communication can affect the responses given. We hypothesise that communication channel can affect either the respondent's understanding of the question or the tendency to satisfice. These effects...

With proactive dependent interviewing respondents are reminded of the answer they gave in the previous interview, before being asked about their current status. We examine the risk that respondents falsely confirm the answers from the previous interview as still applying, using data from a panel...

It is common practice to adapt the format of a question to the mode of data collection. Multi-coded questions in self-completion and face-to-face modes tend to be transformed for telephone into a series of 'yes/no' questions. Questions with response scales are often branched in telephone...