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Post hoc (sometimes written as post-hoc) is a Latin phrase, meaning "after this" or "after the event". Post hoc may refer to: Post hoc analysis or post hoc test, statistical analyses that were not specified before the data were seen; Post hoc theorizing, generating hypotheses based on data already observed
In a scientific study, post hoc analysis (from Latin post hoc, "after this") consists of statistical analyses that were specified after the data were seen. [1] [2] They are usually used to uncover specific differences between three or more group means when an analysis of variance (ANOVA) test is significant. [3]
Post hoc ergo propter hoc (Latin: 'after this, therefore because of this') is an informal fallacy that states "Since event Y followed event X, event Y must have been caused by event X." It is a fallacy in which an event is presumed to have been caused by a closely preceding event merely on the grounds of temporal succession.
post festum: after the feast: Too late, or after the fact post hoc ergo propter hoc: after this, therefore because of this: A logical fallacy where one assumes that one thing happening after another thing means that the first thing caused the second. post meridiem (p.m.) after midday: The period from noon to midnight (cf. ante meridiem) post ...
Definition and use English pron a fortiori: from stronger An a fortiori argument is an "argument from a stronger reason", meaning that, because one fact is true, a second (related and included) fact must also be true. / ˌ eɪ f ɔːr t i ˈ oʊ r aɪ, ˌ eɪ f ɔːr ʃ i ˈ oʊ r aɪ / a mensa et thoro: from table and bed
It asserts that X causes Y when in reality, both X and Y are caused by Z. It is a variation on the post hoc ergo propter hoc fallacy and a member of the questionable cause group of fallacies. All of those examples deal with a lurking variable, which is simply a hidden third variable that affects both of the variables observed to be correlated.
Propter hoc may refer to: Cum hoc ergo propter hoc (Latin: "with this, therefore because of this"), an informal fallacy suggesting that when two events happen together, one must cause the other Post hoc ergo propter hoc (Latin: "after this, therefore because of this"), an informal fallacy suggesting that when an event follows another event, the ...
External post hoc fact-checking by independent organizations began in the United States in the early 2000s. [1] In the 2010s, particularly following the 2016 election of Donald Trump as US President, fact-checking gained a rise in popularity and spread to multiple countries mostly in Europe and Latin America. However, the US remains the largest ...