effective action

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• Effective action — In quantum field theory, the effective action is a modified expression for the action, which takes into account quantum mechanical corrections, in the following sense: In classical mechanics, the equations of motion can be derived from the action …   Wikipedia

• effective — effectively, adv. effectiveness, effectivity, n. /i fek tiv/, adj. 1. adequate to accomplish a purpose; producing the intended or expected result: effective teaching methods; effective steps toward peace. 2. actually in operation or in force;… …   Universalium

• effective — effective, effectual, efficient, efficacious all mean producing or capable of producing a result or results, but they are not freely interchangeable in idiomatic use. Effective emphasizes the actual production of an effect or the power to produce …   New Dictionary of Synonyms

• Action démocratique du Québec — Leader Gérard Deltell President …   Wikipedia

• Action Cadienne — (literally Cajun Action ), founded in April 1996, is a non profit organization in the United States whose purpose is to preserve, promote and defend the French language, francophonie and the Acadian or Cadien(Cajun) culture within the state of… …   Wikipedia

• effective — ef·fec·tive adj 1: producing a desired effect an effective revocation of the contract 2: capable of bringing about an effect effective assistance of counsel see also ineffective assistance o …   Law dictionary

• Action research — is a reflective process of progressive problem solving led by individuals working with others in teams or as part of a community of practice to improve the way they address issues and solve problems. Action research can also be undertaken by… …   Wikipedia

• Action — Ac tion, n. [OF. action, L. actio, fr. agere to do. See {Act}.] 1. A process or condition of acting or moving, as opposed to rest; the doing of something; exertion of power or force, as when one body acts on another; the effect of power exerted… …   The Collaborative International Dictionary of English

• Action on Smoking and Health — (ASH) is a pressure group which seeks to publicise the health risks associated with tobacco smoking and campaigns for greater restrictions thereon. [ [http://www.patient.co.uk/showdoc/26738692/ ASH Action on Smoking and Health ] ] [… …   Wikipedia

• ACTION-RESEARCH — Sous l’influence conjointe de la psychanalyse et de la critique expérimentale poursuivie par Heisenberg dans le domaine de la microphysique, Kurt Lewin, entre 1942 et 1946, a caractérisé par l’expression action research l’intime solidarité de la… …   Encyclopédie Universelle

• Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …   Wikipedia