A focus group interview is an unstructured method of inquiry where a trained moderator leads a conversation according to a predetermined outline of the topic of interest.
Explanation:
Unstructured interviews are more like conversation. This type of interview does not contain any set of predetermined question. The interviewer just involve in conversation with their own topic of interest.
Unstructured interview can help in better understanding of the candidate. This type of interview is open-ended. The interview can be conducted in a flexible way. Most of all, the communication gap that arises during the interview between the interviewer and candidate can be avoided.