Some of these include –īooks, Magazines, and Newspapers – Newspapers, and magazines also carry out surveys and interviews of their own on various aspects like socio-economic conditions, crimes in the country, etc. There are various secondary sources of data collection. Statistics are maintained by different departments and agencies of the central and the state government, undertakings, corporations, etc. The records that are maintained by private and business enterprises The research works conducted by teachers, professors, and professionals Some of the major unpublished sources from which secondary data can be gathered are as follows: Statistical data can be obtained from several unpublished references. Reports presented by research scholars, bureaus, economists, etc. Publications of government organizations like the Central Statistical Organization (CSO), National Sample Survey Organization (NSSO) Publications and reports of chambers of commerce, financial institutions, trade associations, etc. Official statements and publications of the foreign governments Statistical synopses, census records, and other reports issued by the different departments of the government Published articles of local bodies, and central and state governments A few major sources of published information are as follows: Secondary data is usually gathered from published (printed) sources. Secondary data can be obtained from different sources: However, secondary data analysis can be less useful in marketing research, as data may be outdated or inaccurate. In addition, analysts of social and economic change consider secondary data essential, since it is impossible to conduct a new survey that can adequately capture past change and/or developments. Secondary data analysis can save time that would otherwise be spent collecting data and, particularly in the case of quantitative data, can provide larger and higher-quality databases that would be unfeasible for any individual researcher to collect on their own. Primary data, by contrast, are collected by the investigator conducting the research. Common sources of secondary data for social science include censuses, information collected by government departments, organizational records, and data that was originally collected for other research purposes. Secondary data refers to data that is collected by someone other than the primary user. These are usually used at the time for the inquiry is compact and the exactness of the inquiry can be settled to an extent. So, these are comparatively less reliable than the primary data. To put it in other words, the secondary data are those that are already collected. These are not gathered from the source as the primary data. Secondary data are second-hand pieces of information. Let’s take a look at some of the most common sources of such information. Secondary data can be collected from various resources. For instance, if the department of health publishes a report regarding the number of child fatality cases in India due to malnutrition, then the department of child welfare can use the statistics in the report to ascertain how many children in India do not have access to a proper meal. On the other hand, when a researcher uses data that has been collected and analyzed by some other sources, it is referred to as secondary data. Some instances of primary data sources include surveys, interviews, questionnaires, case studies, and the like. Primary data refers to information that is gathered, scrutinized, and used by the same person or source. Statistical data can be categorized into two types – primary and secondary data.
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