Interview Methods:Interviewing is one is the prominent method of data collection. It may be defined as a two way systematic conversation between an investigator and an informant initiated for obtaining information relevant to a specific study. It involves not only conversation but also leaning from the respondents gestures facial expressions and pauses and his environment.Interviewing requires face to face contact or contact over telephone and calls for interviewing skills. It is done by suing a structured schedule o ran unstructured guide.The interview method of collecting data involves presentation of oral verbal stimuli and reply in terms of oral verbal responses. This methods can be used through personal interviews and if possible through telephone interviews.