AlI of these have their relative merits and drawbacks. Researchers opting for the fonnal survey ílPproach (see Chapter 2日， will tend to adopt the fìrst of the above options. Those working with less fonnal techniques will favour the method which least intrudes into the interview by inhibiting the interviewee. Tape recording is the preferred method adopted here. Some attention should be given to the issue of recording the interviews well in advance of carrying them out.