RESEARCH METHODOLOGY

Detailed explanation-1: -The personal interview tends to have a higher response rate than the mail questionnaire. Illiterate persons can still answer questions in an interview, and others unwilling to spend their time and energy to reply to an impersonal mail questionnaire may be glad to talk.

Detailed explanation-2: -Non-response occurs due to operational difficulties, time and cost restraints, a lack of co-operation from respondents, the inability or unwillingness of interviewers to track down missing respondents, or for some other reason.

Detailed explanation-3: -Advantages of using a personal interview survey Provides a greater opportunity to observe the behaviour and attitude of the respondent. Allows a respondent to adapt to questions if they do not understand something. Ensures in-depth answers to questions.

Detailed explanation-4: -A personal interview survey, also called as a face-to-face survey, is a survey method that is utilized when a specific target population is involved. The purpose of conducting a personal interview survey is to explore the responses of the people to gather more and deeper information.