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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.
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".
Journal of Medical Biochemistry: Biochemistry: Walter de Gruyter: English: 1982–present Journal of Medical Biography: Medical Personnel: SAGE Publishing: English: 1993–present Journal of Medical Case Reports: Medicine: BioMed Central: English: 2007–present Journal of Medical Economics: Medicine: Taylor and Francis Group: English: 1998 ...
European Journal of Operational Research (EJOR): Founded in 1975 and is presently [when?] by far the largest operational research journal in the world, with its around 9,000 pages of published papers per year. In 2004, its total number of citations was the second largest amongst Operational Research and Management Science journals;
MEDLINE (Medical Literature Analysis and Retrieval System Online, or MEDLARS Online) is a bibliographic database of life sciences and biomedical information. It includes bibliographic information for articles from academic journals covering medicine, nursing, pharmacy, dentistry, veterinary medicine, and health care.
PLOS (for Public Library of Science; PLoS until 2012 [1]) is a nonprofit publisher of open-access journals in science, technology, and medicine and other scientific literature, under an open-content license. It was founded in 2000 and launched its first journal, PLOS Biology, in October 2003.
Richard Smith, the former editor of the medical journal the BMJ, has been critical of many of the aspects of modern-day medical journal publishing. [5] [12] Critics of medical publishing have argued that problems related to gaming of citation and authorship are prevalent in the field, as many authors did not actually contribute to the articles that their names are on, many contributors to the ...
An operational taxonomic unit (OTU) is an operational definition used to classify groups of closely related individuals.The term was originally introduced in 1963 by Robert R. Sokal and Peter H. A. Sneath in the context of numerical taxonomy, where an "operational taxonomic unit" is simply the group of organisms currently being studied. [1]