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An erosion gully in Australia caused by rabbits, an unintended consequence of their introduction as game animals. In the social sciences, unintended consequences (sometimes unanticipated consequences or unforeseen consequences, more colloquially called knock-on effects) are outcomes of a purposeful action that are not intended or foreseen.
A black swan (Cygnus atratus) in AustraliaThe black swan theory or theory of black swan events is a metaphor that describes an event that comes as a surprise, has a major effect, and is often inappropriately rationalized after the fact with the benefit of hindsight.
Expectancy violations theory (EVT) is a theory of communication that analyzes how individuals respond to unanticipated violations of social norms and expectations. [1] The theory was proposed by Judee K. Burgoon in the late 1970s and continued through the 1980s and 1990s as "nonverbal expectancy violations theory", based on Burgoon's research studying proxemics.
Barring unforeseen operational commitments and engagements, military divers hoped to use this project as a training platform for several years and "recover the maximum number of tires possible from day one." [10] Summer 2007 saw US Navy, Army, and Coast Guard divers based out of a Coast Guard base in Dania Beach, Florida working to clean the reef.
The book asserts that a "Black Swan" event depends on the observer: for example, what may be a Black Swan surprise for a turkey is not a Black Swan surprise for its butcher. Hence the objective should be to "avoid being the turkey", by identifying areas of vulnerability in order to "turn the Black Swans white".
The problem of the criterion challenges the traditional definition of knowledge as justified true belief. It questions how one can determine if a justification is sound without relying on further justification, potentially leading to an infinite regress. This issue has been a subject of significant debate in epistemology.
Moravec's paradox: Logical thought is hard for humans and easy for computers, but picking a screw from a box of screws is an unsolved problem. Movement paradox: In transformational linguistics, there are pairs of sentences in which the sentence without movement is ungrammatical while the sentence with movement is not.
In expository writing, a topic sentence is a sentence that summarizes the main idea of a paragraph. [1] [2] It is usually the first sentence in a paragraph. Also known as a topic sentence should encapsulate or organize a entire paragraph. Although topic sentences may appear anywhere in a paragraph, in academic essays they often appear at the ...