Understanding Data: Primary and Secondary Collection Methods
Data encompasses qualitative and quantitative attributes of variables. Primary data is directly observed or collected through firsthand experiences via methods like interviews, observations, and questionnaires, including mail and telephonic options. In contrast, secondary data refers to published information gathered by others or previously collected data from various organizations such as the UNO, IMF, and commercial entities. Understanding these types of data and their collection methods is essential for effective analysis and research in various fields.
Understanding Data: Primary and Secondary Collection Methods
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Presentation Transcript
Data • The term data refers to qualitative or quantitative attributes of a variable or set of variables.
Primary & Secondary data Data observed or collected directly from first-hand experience is called primary data. Published data and the data collected in the past or other parties is called secondary data
Method of collecting primary data • Interview or personal investigation method • Observation or indirect • Investigation through appointment of investigator • Investigation through questionnaires • Mailed questionnaires • Telephonic interview • E-mail method
Method of collecting secondary data • International organization. Ex: UNO, IMF, WB, ILO, FAO • Government and semi-government organization. Ex: PSC, LGRD, EC, UGC • Commercial organization. Ex: DSE, CSE, FBCCI • Newspaper periodicals. Ex: Times, News Week, The Economist
