Explore topic-wise InterviewSolutions in .

1. It is economical and covers large number of people spread over a large area. 

2. It is time saving because a large extent of respondents can be reached through mailed questionnaire.

1. There is a danger of losing objectivity because of emotional attachments and over involvement or ego satisfaction. 

2. Some phenomena cannot be observed through participation for instant, an observer cannot become a criminal.

The major sources of primary data are Observation, Interview, Questionnaire, Social Survey.

The importance of Observation method in data collection are:

(i) It is possible to observe the natural behavior of the group because the observer is not stranger. 

(ii) It is possible to gather quantitatively more and quantitatively better information. 

(iii) It is possible to get better insights into the phenomena because the observer is an insider. It is possible to observe secrete behavior. 

(iv) It is possible to retain a high level of objectivity. 

(v) A non-participant observer is able to collect considerable information because of his open role as an observer and his eagerness to learn 

(vi) It is possible to record behavior as it occurs, without any distortions. This gives highly qualitative data.

(vii) Observation is a flexible method of data collection 

(viii) It is independent of people’s willingness to report.

Research is a “Systematized investigation to gain a new knowledge about social phenomena and problems we call it social research”.

Modern society is dominated by Information and Communication Technology. Recent computers perform multi-dimensional functions. Various soft ware packages provide data on different topics. Use of internet provided world wide data on different subjects. Internet provides more up to data information, very large extent of data which is limitless because traditional print media has limited space in library. Internet access is available for 24 hours a day. research successfully save time, energy and resources due to use of internet.

Computer Assisted Personal Interviewing and Computer Assisted Telephone Interviewing techniques are common in America. It helps the researcher to collect data systematic way and computer easily store, classify and analyses the responses immediately completion of interview.