L 6.ppt
- 2. Lecture Outline: •What is Data ? •What are different sources of Data? •How to collect Data from different sources ?
- 3. Keywords 1. Phenomenon 2. Questionnaire 3. Interview 4. Economists
- 4. Data are numerical facts. They are figures collected in a systematic manner for a pre determined purpose. Those figures are aggregate of facts relating to one or more phenomenon of study. It is from the data collected that a researcher study about a phenomenon and draw conclusions. WHAT IS DATA
- 6. The sources of information are generally classified as primary or secondary. PRIMARY DATA When the researcher himself is trying to collect the data for his particular purpose from the sources available it becomes primary data.
- 7. Observation method Interview method Questionnaire method Schedule method
- 8. Observation method as the name itself indicates is based on observation. Observation is keen and scientific study of a problem. For example:- in a study of consumer behavior the investigator instead of asking the brand of wrist watch used by the respondent, may himself look a the watch.
- 9. Interview method is a direct method of collection of data, which is based on interview. It is the most important methods of collection of data. Through this method we can know the views and ideas of other persons. It s a method of social interaction. Interviews can be conducted through personal and telephone.
- 10. This is an important and very popular method of data collection. This is adopted by individuals, organization and government. In this method, a questionnaire is prepared and sent to respondent by post. It is a set of questions. The success of this method depends on the proper drafting of the questions.
- 11. It is a proforma containing a set of questions. This proforma is filled by enumerators who are specially identified for the purpose. The enumerators are persons acting under the direction of researchers. Requisite of a good schedule Accurate communication Schedules must be attractive Schedules must be attractive
- 12. Primary data are original in character because the researcher himself collects the data. Secondary data are not original. They collected by somebody else. The researcher only makes use of them.
- 13. Q1. Data are _____ facts. a) Historical b) Aesthetical c) Numerical d) None of the above
- 14. Q2. The published data can be of ______ types. 1. One 2. Two 3. Three 4. Five