منابع مشابه
Does Buying High Mean Buying Often
Many durable goods, particularly in the high technology sector of the economy, experience rapid quality improvement. As a result, replacement is typically due to obsolescence rather than breakdown, and replacement cycles are generally short. When these goods are vertically differentiated, consumers must make two important, inter-related choices upon making a purchase: what quality level to buy,...
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"science of woman," the doctrine of the nature and diseases of woman as distinct from man, became embodied in gynecology. Moreover, this new specialty of physicians constructed a theory of femininity which prescribed social roles without raising opposition, because they had the validation of science. Women became identified as a special group of patients, based upon their reproductive capacitie...
متن کاملRoutine laboratory testing before endoscopic procedures.
This is a clinical update discussing the use of periendoscopic laboratory testing in common clinical situations. The Standards of Practice Committee of the American Society for Gastrointestinal Endoscopy (ASGE) prepared this document by using MEDLINE and PubMed databases to search for publications between January 1990 and December 2013 pertaining to this topic. The keywords “endoscopy” and “lab...
متن کاملRoutine laboratory testing before endoscopic procedures
This is a clinical update discussing the use of periendoscopic laboratory testing in common clinical situations. The Standards of Practice Committee of the American Society for Gastrointestinal Endoscopy (ASGE) prepared this document by using MEDLINE and PubMed databases to search for publications between January 1990 and December 2013 pertaining to this topic. The keywords “endoscopy” and “lab...
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This paper challenges the historiographical discontinuity established between earlier "anthropometric testing" and the arrival of "psychological testing" with Binet and Simon's intelligence test in 1905. After some conceptual clarifications, it deals with "word association": a kind of psychological experimentation and testing which became popular over the last two decades of the 19th century. F...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1911
ISSN: 0036-8733
DOI: 10.1038/scientificamerican09161911-246