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Positive values for fairness in competition are supposed to undergird the behavior of athletes engaged in sport. Whether athletes' values actually develop over 4 years in a college that emphasizes character development is the focus of this study. Athletes' (N = 631) use of deontological ethics (Hahm, Beller & Stoll, 1989) in 21 sports value dilemmas were evaluated. At entrance, as well as near graduation, intercollegiate athletes' value scores were lower than intramural athletes' scores. Both groups' scores declined while they were in college. Individual-sport athletes had higher scores than team-sport athletes but manifested a greater decline over 4 years. The findings are consistent with other studies that show decreases in "sportsmanship orientation" and an increase in "professional" attitudes associated with participation in sport.  相似文献   
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Human anatomy in physical therapy programs is a basic science course serving as a foundation for subsequent clinical courses. Integration of anatomy with a clinical emphasis throughout a curriculum provides opportunities for reinforcement of previously learned material. Considering the human cadaver laboratory as a fixed cost to our program, we sought opportunities to add value to the resource via vertical integration into a clinical skills course taught later in the curriculum. We designed an opportunity for second-year physical therapy students to revisit the human anatomy laboratory to study select clinical musculoskeletal tests and the associated anatomy in a clinically relevant context. Students performed select orthopedic ligament test on human cadavers, then incised specific structures and repeated the tests. Students were able to feel and visualize the function of pertinent anatomy associated with the clinical tests. Ninety-five percent of respondents reported that the ligament stress testing experience enhanced their understanding of orthopedic clinical tests with 91% reporting an enhanced understanding of anatomy related to specific clinical tests. Likewise, the experience was perceived as enjoyable and valuable with 86% of respondents reporting the experience as enjoyable and 100% responding the experience should continue as part of the curriculum.  相似文献   
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This article attempts to outline the neuronal foundations of movement automatization. In particular, it is shown that an increase in automaticity corresponds to processes of synaptic plasticity in the corticostriatal and corticocortical system. This mechanism is supposed to induce changes in the neuronal representations of the respective skill. Furthermore, the role of phasic dopamine release will be discussed with respect to its modulating effect on processes of plasticity.  相似文献   
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This paper proposes a new scheme for ensuring data consistency in unstructured p2p networks where peers can subscribe to multiple content types (identified by labels) and are rapidly informed of content updates. The idea is based on using a static tree structure, the Cluster-K+ tree, that maintains most of the structural information about peers and labels. A label denotes a set of replicated or co-related data in the network. The Cluster-K+ tree provides efficient retrieval, addition, deletion and consistent updates of labels. Our proposed structure guarantees a short response search time of O(H + K), where H denotes the height of the tree and K the degree of an internal tree node. We present theoretical analytic bounds for the worst-case performance. To verify the bounds, we also present experimental results obtained from a network simulation. The results demonstrate that the actual performance of our system is significantly better than the theoretical bounds.  相似文献   
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How can school mathematics prepare citizens for a democratic society? Answers to this question are not static; they change as society and its problems change. The SARS-CoV-2 pandemic with its corresponding disease COVID-19 presents such a problem: what is needed to navigate this complex situation that involves, among other things, mathematics? Using the essay genre, we use three narratives from three countries—Italy, the USA (California), and Germany—to reflect on the goals of teaching mathematics during this crisis and examine aspects of each country’s standards for mathematics education. These three stories are framed by the authors’ backgrounds, experiences, interests, their country’s situation, and response to the pandemic. We first present the three narratives and then examine common issues across them that might provide insights beyond this current crisis, for preparing students to become active citizens. In particular, we focus on three issues: (1) developing a positive mindset toward mathematics to engage with and reflect on real-world problems, (2) improving interdisciplinary connections to the sciences to better understand how science professional practices and insights are similar or different from everyday practices, and (3) considering interpersonal and collective matters beyond the individual.

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ABSTRACT

Teacher education programs have been tasked with the responsibility to develop educators who can successfully infuse technology into their teaching. Despite standards-based expectations, a plethora of technology infusion opportunities, and the importance of faculty roles as models and teachers, physical education teacher education (PETE) programs have yet to demonstrate current expectations for teaching with and about educational technology. In this article, the authors provide a glimpse into the educational technology requirements, challenges, and strategies for teacher education/PETE programs. The authors suggest a call to action among PETE programs to address the issues that prevent PETE graduates from entering their teaching careers less than equipped to effectively use technology to enhance teaching and learning.  相似文献   
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Radio     
RADIO: A REFERENCE GUIDE by Thomas Allen Greenfield (Westport, CT: Greenwood Press, 1989—$39.95, ISBN 0-313-22276-2)

THE RADIO STATION by Michael Keith and Joseph Krause (Stoneham, MA: Focal Press, 1989—$24.95, paper, ISBN 0-240-80028-1)

PROGRAMMING RADIO TO WTN IN THE NEW AMERICA by John Parikhal and David Oakes (1989—$40.00 but $20 to NAB/BEA members, paper, ISBN 0-89324-062-1)

PROFITING FROM RADIO RATINGS: A MANUAL FOR RADIO MANAGERS, SALES MANAGERS AND PROGRAMMERS by James E. Fletcher (1989—$40.00 but $20 to NAB/BEA members, paper, ISBN 0-89324-065-6)

DEVELOPING AN EFFECTIVE MARKETING PLAN: A WORKING GUIDE FOR RADIO BROADCASTERS by John Geason and John Sutherland (1989—$20.00, paper, ISBN 0-89324-066-4)

AMERICAN RADIO SPRING 1989 by James H. Duncan, Jr. (Duncan's American Radio, Box 90284, Indianapolis, IN 46290—$79.00, paper)  相似文献   
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