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An operational definition is designed to model or represent a concept or theoretical definition, also known as a construct.Scientists should describe the operations (procedures, actions, or processes) that define the concept with enough specificity such that other investigators can replicate their research.
An extensional definition gives meaning to a term by specifying its extension, that is, every object that falls under the definition of the term in question.. For example, an extensional definition of the term "nation of the world" might be given by listing all of the nations of the world, or by giving some other means of recognizing the members of the corresponding class.
Operationalization is the scientific practice of operational definition, where even the most basic concepts are defined through the operations by which we measure them. The practice originated in the field of physics with the philosophy of science book The Logic of Modern Physics (1927), by Percy Williams Bridgman, whose methodological position is called "operationalism".
A work of art, artwork, [1] art piece, piece of art or art object is an artistic creation of aesthetic value. Except for "work of art", which may be used of any work regarded as art in its widest sense, including works from literature and music, these terms apply principally to tangible, physical forms of visual art:
The motivation behind seeking a theory, rather than a definition, is that our best minds have not been able to find definitions without counterexamples. The term "definition" assumes there are concepts, in something along Platonic lines, and a definition is an attempt to reach in and pluck out the essence of the concept and also assumes that at ...
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The term key art was defined by The Hollywood Reporter (who awarded the annual Key Art Awards, founded in 1972) as “the singular, iconographic image that is the foundation upon which a movie’s marketing campaign is built.” [4] Nicole Purcell, the president of Clio (who incorporated the Key Art Awards into their own awards in 2011), explained that key art was historically understood to be ...
A contemporary definition of calligraphic practice is "the art of giving form to signs in an expressive, harmonious and skillful manner". [14] Modern calligraphy ranges from functional hand-lettered inscriptions and designs to fine-art pieces where the abstract expression of the handwritten mark may or may not compromise the legibility of the ...