The benefits of using interviews as an assessment tool include:
Inexpensive to conduct
Not much material is required other than the observers time
and the interview plan
Variety of perspectives can be elicited
Probing for understanding is possible during an interview
Can be very useful way to build rapport with audience/participants
Be open to what they have to say
Can generate broad and deep data about system
Probing further when an interesting point is made allows you
to vary your approach and explore ideas you had not considered
Interviewer can clarify questions
Watch the participants body language to determine if they understood
what you were asking
Interviewer can clarify answers from the interviewee
If there is an answer that is not quite clear, it can be clarified
on the spot to produce better data
Interviewer can receive additional information in the form
of nonverbal clues
Watch the interviewee’s body language for understanding,
interest, restlessness, etc. Tailor your interview appropriately
to gain the most information possible while maintaining rapport