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Data quality. Data quality refers to the state of qualitative or quantitative pieces of information. There are many definitions of data quality, but data is generally considered high quality if it is "fit for [its] intended uses in operations, decision making and planning ". [1][2][3] Moreover, data is deemed of high quality if it correctly ...
The hypothesis to be tested is if D is within the acceptable range of accuracy. Let L = the lower limit for accuracy and U = upper limit for accuracy. Then H 0 L ≤ D ≤ U. versus H 1 D < L or D > U. is to be tested. The operating characteristic (OC) curve is the probability that the null hypothesis is accepted when it is true.
However, some sources provide stronger or weaker support for a given statement. Editors must use their judgment to draw the line between usable and inappropriate sources for each statement. Articles should be based on reliable, independent, published sources with a reputation for fact-checking and accuracy. This means that we publish only the ...
In qualitative research, a member check, also known as informant feedback or respondent validation, is a technique used by researchers to help improve the accuracy, credibility, validity, and transferability (also known as applicability, internal validity, [1] or fittingness) of a study. [2] There are many subcategories of members checks ...
Validity is the main extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world. [1][2] The word "valid" is derived from the Latin validus, meaning strong. The validity of a measurement tool (for example, a test in education) is the degree to which the tool measures what it claims ...
Journalism. Journalistic ethics and standards comprise principles of ethics and good practice applicable to journalists. This subset of media ethics is known as journalism's professional " code of ethics" and the "canons of journalism". [1] The basic codes and canons commonly appear in statements by professional journalism associations and ...
In order to increase credibility, and therefore increase readers of their articles, journalists should be objective, accurate, trustworthy, and reliable. Three aspects of credibility: clarity (how easily the article can be understood), accuracy (how well documented the information is), and trustworthiness (how believable the information is). [9]
Base articles on reliable, independent, published sources with a reputation for fact-checking and accuracy. Source material must be published, on Wikipedia meaning made available to the public in some form. [f] Unpublished material is not considered reliable. Use sources that directly support the material presented in an article and are ...