Unstructured Interview: In an unstructured interview, detailed questionnaire is not used for reference The interviewer believes that the respondent has adequate useful information and it is his duty to collect that information through conversation This interview is useful only when the interviewer is properly trained with full knowledge of the nature and purpose of survey work and has adequate knowledge of human psychology Here, the interviewer and the respondents are given adequate freedom The interviewer can ask additional questions or can change the order of questions given for reference
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