Final answer:
A major part of the structured interview is based on structured questions, but some time is set aside for unstructured interviewing to allow the interviewer to probe into ambiguous or missing information.
Step-by-step explanation:
A major part of the structured interview is based on structured questions, but some time is set aside for unstructured interviewing to allow the interviewer to probe into ambiguous or missing information uncovered during the structured portion of the interview.