natural+experiment

См. также в других словарях:

• Natural experiment — A natural experiment is an observational study in which the assignment of treatments to subjects has been haphazard: That is, the assignment of treatments has been made by nature , but not by experimenters. Thus, a natural experiment is not a… …   Wikipedia

• natural experiment — An experiment in which the independent variable is not artificially manipulated, but rather changes naturally in terms of its level or presence, so that these alterations can be used to monitor its effect and attempt to determine its impact upon… …   Dictionary of sociology

• experiment — experiment, experimental design, experimental method See control (experimental) ; control group ; experimenter effects ; field experiment ; natural experiment …   Dictionary of sociology

• Experiment — Experimental redirects here. For the musical classification, see Experimental music. For other uses, see Experiment (disambiguation). Even very young children perform rudimentary experiments in order to learn about the world. An experiment is a… …   Wikipedia

• Natural history in the Spanish New World — The exploration of the New World by Spanish explorers resulted in the discovery of numerous plants and animals previously unknown to European natural history. The Spanish crown created institutions to facilitate the distribution of new knowledge …   Wikipedia

• Natural Justice — is a charity that does research on the causes of criminal behavior, and especially on the related effects of nutrition. Natural Justice carried out an experiment in the Aylesbury Prison for young offenders. In this study, published in 2002,… …   Wikipedia

• Natural language processing — (NLP) is a field of computer science and linguistics concerned with the interactions between computers and human (natural) languages; it began as a branch of artificial intelligence.[1] In theory, natural language processing is a very attractive… …   Wikipedia

• Natural England — Agency overview Formed 1 October 2006 Jurisdiction England Headquarters Sheffield, England Employees …   Wikipedia

• Natural language generation — (NLG) is the natural language processing task of generating natural language from a machine representation system such as a knowledge base or a logical form. Psycholinguists prefer the term language production when such formal representations are …   Wikipedia

• natural history — ► NOUN ▪ the scientific study of animals or plants, especially as concerned with observation rather than experiment …   English terms dictionary

• Natural history — For other uses, see Natural history (disambiguation). Naturalist redirects here. For other uses, see Naturalist (disambiguation). Tables of natural history, from the 1728 Cyclopaedia Natural history is the scientific research of p …   Wikipedia