Secondary data
Secondary Data
Secondary data (/sɛkənˈdɛri deɪtə/) refers to data that is collected by someone other than the user. Common sources of secondary data for social science include censuses, surveys, organizational records and data collected through qualitative methodologies or qualitative research. Primary data, by contrast, are collected by the investigator conducting the research.
Etymology
The term "secondary data" originates from the concept that this type of data is "second-hand", as it is data that has been collected by someone other than the user. The term is used in contrast to primary data, which is data collected directly by the user or investigator conducting the research.
Related Terms
- Primary data: Data that is collected directly by the user or investigator conducting the research.
- Quantitative research: A research method that involves the collection and analysis of numerical data.
- Qualitative research: A research method that involves the collection and analysis of non-numerical data, such as words, images, or objects.
- Census: An official count or survey of a population, typically recording various details of individuals.
- Survey: A method of gathering information from a sample of people, traditionally with the intention of generalizing the results to a larger population.
See Also
External links
- Medical encyclopedia article on Secondary data
- Wikipedia's article - Secondary data
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