Briefly describe the three data gathering techniques: interview, questionnaire, and direct observation. Include advantages and disadvantages of each technique
Interviews involve interviewees who are asked a set of either structured or unstructured questions by an interviewer (Rogers et al., 2007). They are often, but not always, conducted with the interviewee and interviewer coming face-to-face and are usually synchronous. There are four main types of interviews, namely unstructured or open-ended; structured; semi-structured; and focused groups.
Unstructured interviews are exploratory, with no expectation on the content or format of the answers. It is useful for exploring the range of opinions of the ...