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Secondary research involves the summary, collation and/or synthesis of existing research. Secondary research is contrasted with primary research in that primary research involves the generation of data, whereas secondary research uses primary research sources as a source of data for analysis. [1] A notable marker of primary research is the ...
Secondary data refers to data that is collected by someone other than the primary user. [1] 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. [2]
The line between primary and secondary sources is not always clear. In general, primary sources include descriptions of an individual experiment or a series of experiments by the same research group; secondary sources include independent review articles summarizing a line of research or rectifying apparently discordant results.
Secondary sources may draw on primary sources and other secondary sources to create a general overview; or to make analytic or synthetic claims. [3] [4] Tertiary sources are publications such as encyclopedias or other compendia that sum up secondary and primary sources. For example, Wikipedia itself is a tertiary source.
The research room at the New York Public Library, an example of secondary research in progress Maurice Hilleman, a 20th century vaccinologist credited with saving more lives than any other scientist of his era [37] The goal of the research process is to produce new knowledge or deepen understanding of a topic or issue.
In general, secondary sources in a scientific context may be referred to as "secondary literature", [16] and can be self-described as review articles or meta-analysis. Primary source materials are typically defined as "original research papers written by the scientists who actually conducted the study."
"Most research studies find that red dye 40 is safe and doesn't cause reactions for most people. At high concentrations, that aren't typically eaten in a standard American diet, we may start to ...
A review article is an article that summarizes the current state of understanding on a topic within a certain discipline. [1] [2] A review article is generally considered a secondary source since it may analyze and discuss the method and conclusions in previously published studies.