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model validity

См. также в других словарях:

  • Model theory — This article is about the mathematical discipline. For the informal notion in other parts of mathematics and science, see Mathematical model. In mathematics, model theory is the study of (classes of) mathematical structures (e.g. groups, fields,… …   Wikipedia

  • model theory — The use of a model to test for the consistency of an axiomatized system is older than modern logic. Descartes s algebraic interpretation of Euclidean geometry provides a way of showing that if the theory of real numbers is consistent, so is the… …   Philosophy dictionary

  • validity — In its primary meaning it is arguments that are valid or invalid, according to whether the conclusion follows from the premises. Premises and conclusions themselves are not valid or invalid, but true or false. In model theory a formula is called… …   Philosophy dictionary

  • Economic model — A diagram of the IS/LM model In economics, a model is a theoretical construct that represents economic processes by a set of variables and a set of logical and/or quantitative relationships between them. The economic model is a simplified… …   Wikipedia

  • Face validity — is a property of a test intended to measure something. The test is said to have face validity if it looks like it is going to measure what it is supposed to measure. [http://www.chssc.salford.ac.uk/healthSci/resmeth2000/resmeth/validity.htm] For… …   Wikipedia

  • Technology acceptance model — The Technology Acceptance Model (TAM) is an information systems theory that models how users come to accept and use a technology. The model suggests that when users are presented with a new technology, a number of factors influence their decision …   Wikipedia

  • Non-standard model — See also Interpretation (logic) In model theory, a discipline within mathematical logic, a non standard model is a model of a theory that is not isomorphic to the intended model (or standard model). If the intended model is infinite and the… …   Wikipedia

  • Mathematical model — Not to be confused with the same term that is used in model theory, a branch of mathematical logic. An artifact that is used to illustrate a mathematical idea may also be called a mathematical model, the usage of which is the reverse of the sense …   Wikipedia

  • Bohr model — In atomic physics, the Bohr model created by Niels Bohr depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus mdash;similar in structure to the solar system, but with… …   Wikipedia

  • Gravity model of trade — The gravity model of trade in international economics, similar to other gravity models in social science, predicts bilateral trade flows based on the economic sizes of (often using GDP measurements) and distance between two units. The model was… …   Wikipedia

  • Entity-relationship model — A sample Entity relationship diagram using Chen s notation In software engineering, an entity relationship model (ERM) is an abstract and conceptual representation of data. Entity relationship modeling is a database modeling method, used to… …   Wikipedia

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