Questions may be misunderstood. More open ended, less directive interview style. Often used as part of ethnographic field studies but not necessarily. Advantages Detailed information with subtle nuances. Open to interviewee's relevant but unanticipated concerns which may lead on to further lines of enquiry.
Interviewee can pursue more specific answers.
Disadvantages Some potential respondents are not comfortable with probing interviews. Requires very experienced and sensitive interviewer. Difficult to sustain at length. Transcription from tape to written record very time consuming. Possibility of data overload.