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Among genealogists, a primary source comes from a direct witness, a secondary source comes from second-hand information or hearsay told to others by witnesses, and tertiary sources can represent either a further link in the chain or an analysis, summary, or distillation of primary and/or secondary sources. In this system, an elderly woman's ...
This wall painting found in the Roman city of Pompeii is an example of a primary source about people in Pompeii in Roman times (portrait of Terentius Neo).. In the study of history as an academic discipline, a primary source (also called an original source) is an artifact, document, diary, manuscript, autobiography, recording, or any other source of information that was created at the time ...
Examples of common primary source formats can include...contemporary newspaper articles…. Newspaper articles, although often written after an event has occurred, are traditionally considered a primary source…. ""Examples of primary information: A current news report that is reporting the facts (not analysis or evaluation) of an event."
For example, the summary for policy makers from the IPCC is a secondary source for the article Global warming but it would be a primary source if used for the article Intergovernmental Panel on Climate Change. Similarly, a book review in a newspaper is a secondary source on the book and its author but a primary source on the newspaper and the ...
Many sources contain a combination of primary/secondary or secondary/tertiary material, sometimes all three. A source that is secondary in one context may be primary in another (e.g. a history book is a secondary source for the facts it reports, but a primary source for what the author wrote about an event).
This includes published accounts, published works, or published research. For example, a history book drawing upon diary and newspaper records. Tertiary sources are compilations based upon primary and secondary sources. [1] [8] [3] These are sources which, on average, do not fall into the above two levels. They consist of generalized research ...
Primary sources usually have some immediate connection or contact with the source of the new idea, thought, or data. For example, the primary source of some experimental data might be written by the scientist who performed the experiments. The primary source of a quotation might be written by someone who was present when the thing was said.
Unless the source exercises editorial control, e-prints and conference abstracts should be considered to be self-published. The above questions can be used to consider the reliability of self-published scientific material. See the policy on self-published sources at WP:SPS. Many of them are also primary sources, which should be treated with ...