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E.g. a scale that is 5 pounds off is reliable but not valid. A test cannot be valid unless it is reliable. Validity is also dependent on the measurement measuring what it was designed to measure, and not something else instead. [6] Validity (similar to reliability) is a relative concept; validity is not an all-or-nothing idea.
Reliability does not imply validity. That is, a reliable measure that is measuring something consistently is not necessarily measuring what is supposed to be measured. For example, while there are many reliable tests of specific abilities, not all of them would be valid for predicting, say, job performance.
For example, widespread citation without comment for facts is evidence of a source's reputation and reliability for similar facts, whereas widespread doubts about reliability weigh against it. If outside citation is the main indicator of reliability, particular care should be taken to adhere to other guidelines and policies, and to not unduly ...
This page provides examples of what editors on Wikipedia have assessed to be a reliable source.The advice is not, and cannot be, comprehensive, and should be used primarily to inform discussion in an article talk page with respect to sources.
For example, a confirmed information from a reliable source has rating A1, an unknown-validity information from a new source without reputation is rated F6, an inconsistent illogical information from a known liar is E5, a confirmed information from a moderately doubtful source is C1.
Is the author, or this work, cited in other reliable sources? In academic works? This is a rough indicator of post-publication peer review and acceptance. (Pro tips: if there is a DOI link, this will often show "where cited" for scientific publications. If it's a book, searching at Google Books (enclose the book title in quotes) can bring up ...
A reliable source is one that presents a well-reasoned theory or argument supported by strong evidence. Reliable sources include scholarly, peer-reviewed articles or books written by researchers for students and researchers, which can be found in academic databases and search engines like JSTOR and Google Scholar .
This page in a nutshell: Cite reviews, don't write them. Appropriate sources for discussing the natural sciences include comprehensive reviews in independent, reliable published sources, such as recent peer reviewed articles in reputable scientific journals, statements and reports from reputable expert bodies, widely recognized standard textbooks written by experts in a field, or standard ...