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11.
Vision plays a privileged role in social interaction and the construction of intersubjective reality. Given that one of sociology's tasks is to problematize the taken for granted, research that examines rarely foregrounded non‐visual modes of sensory perception is a powerful resource. This article draws on twenty‐seven interviews that explore blind people's perceptions of male and female bodies. I highlight several distinctive features of non‐visual sex attribution (salience, speed, and diachronicity), and argue that conceptions of sex as “self‐evident” primarily reflect visual perception. These findings suggest the need to explore the sociology of perception as a new approach to the sociology of the body, and more broadly highlight the role of sensory perception in the social construction of reality.  相似文献   
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This article discusses a technique the authors have designated Family Photo Reconnaisance. They describe the rationale for and process of utilizatizing family photographs and movies in family therapy sessions to evoke past events and memories and to uncover feelings about these occurrences and the people involved in them. Through their utilization, how one has changed over time is vividly seen. Who is missing from the constellation and when they "dropped out of the family orbit becomes obvious as do distorted memories. Family members reexperiencing the past together around their photographs come to better appreciate one another's current feelings and behavior and often are enabled to gain mastery over unresolved conflicts.  相似文献   
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Moshe Friedman 《Omega》1975,3(6):751-755
The objective of this article is to give a concise report on a project to achieve an optimal operation of a public transportation network by the application of modern mathematical programming methods and computing techniques. The paper delineates the formulation of a mathematical model of a general public transportation network, and sketches a procedure to determine the buses' departure times so as to optimize a desired performance index; specifically, the average waiting time of passengers.  相似文献   
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Circumstantial evidence places the p66 isoform of the adapter protein Shc in a position to mediate the accelerated aging phenotype displayed by mice expressing shortened forms of the tumor suppressor protein p53. We present a model in which p66(shc) may be responsible for integrating signals from the p53 pathway with signals from the insulin-like growth factor-1/Daf pathway in mammals. A full understanding of how interactions between p53 and p66(shc) affect longevity will require the production of animals with mutations in the genes encoding both proteins.  相似文献   
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Group testing has its origin in the identification of syphilis in the U.S. army during World War II. Much of the theoretical framework of group testing was developed starting in the late 1950s, with continued work into the 1990s. Recently, with the advent of new laboratory and genetic technologies, there has been an increasing interest in group testing designs for cost saving purposes. In this article, we compare different nested designs, including Dorfman, Sterrett and an optimal nested procedure obtained through dynamic programming. To elucidate these comparisons, we develop closed-form expressions for the optimal Sterrett procedure and provide a concise review of the prior literature for other commonly used procedures. We consider designs where the prevalence of disease is known as well as investigate the robustness of these procedures, when it is incorrectly assumed. This article provides a technical presentation that will be of interest to researchers as well as from a pedagogical perspective. Supplementary material for this article is available online.  相似文献   
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Early maternal resolution with preterm birth was assessed at one month corrected age (CA), and potential maternal and infant characteristics that may be associated with early resolution were examined. Fifty‐five mothers of preterm infants (≤34 weeks) participated. Data regarding pregnancy, prenatal risk, delivery, infant's medical risk, maternal well‐being status, and infant's early developmental status were collected. Resolution was examined using the Reaction to Diagnosis Interview (RDI). A total of 38.2% of the mothers were classified as resolved. Only completion of antenatal corticosteroids (ACS) treatment and high prenatal risk significantly predicted maternal resolution. Early maternal resolution of preterm birth is associated with early knowledge regarding the preterm birth.  相似文献   
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There has been much debate in the managementliterature between neo-Darwinists (who believe in thenatural selection of populations of organizations) andadaptationists (who contend that changes in organization structure and behavior occur in response to theenvironment). The general thesis of neo-Darwinism isthat species are blindly selected for survival by theenvironment. The latest empirical support for the dominant neo-Darwinism perspective adopted bymost biologists is based primarily on the experimentsconducted by Salvador Luria who claims to haveconclusively demonstrated that genes mutate randomly.Recently, however, biologists have re-examined Luria sresearch methods and, after replications of hisexperiments, now question some aspects of the validityof his results. Moreover, there is now new researchwhich provides support for the earlier adaptationistposition, namely, the existence of evolutionary driversand directors existing within self-organizing systems.Of particular importance to the present study is the experimental indication thatself-organizing systems play a conscious role in theirown evolution. We propose that similar mechanisms orprocesses operate in organizational adaptation, thuspointing toward a theoretical modification ofneo-Darwinism that embraces both adaptation and naturalselection in a general, unified theory.  相似文献   
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