Interview 

The very term implies “Interviewing is an interactional process, it is a mutual view of each other.

Structured Interview: It has predetermined questions and standard techniques. The number of questions is also fixed. In this method of interview, number and nature of questions, order of asking them, wording of questions, recording system and everything in the interview process is standardized.

Merits of structured Interview: 

• It provides safe basis for the generalization 
• In this method, interview’s bias can be restricted 
• It is more methodical and easy to administer.

Demerits. 

• The rigid and mechanical process, sometimes defeat the purpose of interview. It lacks the flexible nature and personal touch in interview 
• In this method, there is a possibility that substances of interview obtain less importance than formal process and set up.

Unstructured (Oral) Interview: It is not rigid type of interview. In this method, there is flexibility in the entire process of interview. The interview has greater freedom to choose the form depending on situations. The flexibility nature of interview allows the interview to ask number, sequence, and method of questions according to requirements of situations.

Merits of Unstructured Interview 

• The informal nature of interview creates a congenial atmosphere for effective communication 
• In a highly society of India, the formal set up interview imposes serve limitations on interview. Unstructured interview is the only remedy for this problem Demerits of Unstructured Interview
• The informal nature of interview provides respondents to answer differently, this is difficult in analysis of data 
• To administer this type of interview, well trained and skilled persons are required
• The more number of personal bias and prejudices may be the part of this method.