[Is it possible to estimate the value of a scientific study?].
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"This article summarizes the intermarriage literature with special reference to books and articles in the social sciences. The literature is partitioned into theoretical approaches, conceptualization and operationalization, computational formulas used in the reporting of intermarriage, general findings on the extent and types of intermarriage, [and] correlates of and attitudes toward racial, religious and national origin intermarriage. The authors conclude that a variety of theories and methods have [been] and continue to be employed to investigate this phenomenon. Among the findings reported are that racial intermarriages are least prevalent and national origin intermarriages the most prevalent in the United States."
OBJECTIVE: To compare the effects of computerized and paper-based versions of guidelines on recently qualified physicians' consultation practices. METHODS: Two arm cluster randomized controlled trial. Physicians were randomized to receive computerized or textbook-based versions of the same guidelines for a 4-week study period. Physicians' compliance with guideline recommendations about laboratory, radiological, physical and other examinations, procedures, nonpharmacologic and pharmacologic treatments, physiotherapy, and referrals were measured by case note review. RESULTS: There were 139 recently qualified physicians working in 96 primary healthcare centers in Finland who participated in the study. Data on 4,633 patient encounters were abstracted, of which 3,484 were suitable for further analysis. Physicians' compliance with guidelines was high (over 80% for use of laboratory, radiology, physical examinations, and referrals). There were no significant differences in physicians' consultation practices in any of the measured outcomes between the computerized and textbook group. CONCLUSION: Guidelines are a useful source of information for recently qualified physicians working in primary care. However, the method of presentation of the guidelines (electronic or paper) does not have an effect on guideline use or their impact on decisions. Other factors should be considered when choosing the method of presentation of guidelines, such as information-seeking time, ease of use during the consultation, ability to update, production costs, and the physician's own preferences.
When confronted with the representation of human anatomy, natural language processing (NLP) system designers are facing an unsolved and frequent problem: the lack of a suitable global reference. The available sources in electronic format are numerous, but none fits adequately all the constraints and needs of language analysis. These sources are usually incomplete, difficult to use or tailored to specific needs. The anatomist's or ontologist's view does not necessarily match that of the linguist. The purpose of this paper is to review most recognized sources of knowledge in anatomy usable for linguistic analysis. Their potential and limits are emphasized according to this point of view. Focus is given on the role of the consensus work of the International Federation of Associations of Anatomists (IFAA) giving the Terminologia Anatomica.
Intermountain Health Care has integrated the electronic medical record (EMR) with online information resources in order to create easy access to a knowledge base which practicing physicians can use at the point of care. When a user is reviewing problems/diagnosis, medications, or clinical laboratory test results, they can conveniently access a "pertinent paragraph" of reference literature that pertains to the clinical data in the EMR. Using terminology first coined by Cimino1, we call this application the "infobutton." We describe the architectural issues involved in linking our electronic medical record with a structured laboratory knowledge base. The application has been well received as noted by anecdotal comments made by physicians and usage of the application.
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Mid-19th-century chemistry constituted a practically and theoretically important resource for experimental psychology as conceived by Wilhelm Wundt (1832-1920). In the early 1850s, Wundt began working in Gustav Herth's private chemical laboratory in Heidelberg. The experimental work Wundt conducted under Herth's direction provided the practical model for the psychological methods advocated in Wundt's pioneering publication on visual perception in 1862. With respect to theory, Wundt relied on John Stuart Mill's System of Logic, a book often referring to the chemical writings by Justus Liebig. Wundt not only read and quoted Mill's logic but also was personally acquainted with its German translator, the former Liebig student Jacob Schiel. Thus, in various ways, chemistry influenced Wundt's early theory and practice of experiment.
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We surveyed medical house officers at the Beth Israel Deaconess Medical Center during their ambulatory rotations about their utilization of reference materials, assessing such factors as frequency, the mode of reference, and specific choice of resources. The collected data were significantly illustrative of the shift from paper-based resources to digital references. These findings confirm that availability should be of utmost priority when designing references for physicians in training.
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