iscuss the main characteristics of interview.
(i) only fewer persons are interviewed than survey.
(ii) The interviewees may not be more than 5,20, or 40 in number.
(iii) A pattern of questions is predetermined or is alternatively a set of topics are proposed in notings while interview is taken in conversational form or unstructured way.
(iv) An interview can be taken continuously for two or three hours in one sitting or through weekly visits for some minutes.
(v) It is flexible because topics to be asked are not composed to questionnaire and interviewer, therefore; may ask more questions he deems helpful in his proposed project. If an interviewee is seen able to provide some more details than proposed in set of questions, interviewer can ask him more questions without any reservations.