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Previous research has demonstrated significant decreases in pain perception in healthy individuals following both aerobic and upper body resistance exercise, but research on circuit training has been limited. The purpose of the study was to determine the effects of a strenuous bout of dynamic circuit resistance exercise on pain threshold and pain tolerance in conjunction with changes in blood lactate levels, heart rate (HR), and perceived exertion. A sample of 24 college-age students participated in 2 sessions: (1) a maximal strength testing session and (2) a circuit training bout of exercise that consisted of 3 sets of 12 repetitions with a 1:1 work to rest ratio at 60% one-repetition maximum (1-RM) predicted from a three-repetition maximum (3-RM) for 9 exercises. Participants exhibited increases in pain tolerance, blood lactate levels, HR and perceived exertion following resistance exercise. Preference for exercise intensity was positively correlated with lactate post exercise and tolerance for exercise intensity was positively correlated with pain tolerance and lactate post exercise. In conclusion, this is the first study to demonstrate increases in pain tolerance following a dynamic circuit resistance exercise protocol and disposition for exercise intensity may influence lactate and pain responses to circuit resistance exercise.  相似文献   
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The aim of this study was to examine the relation between teacher attributions of student school failure and teacher behavior toward the failing student. A structural equation model was proposed and its ability to fit the data was tested. It was found that teachers tend to behave in ways that indicate more pity and less anger when they attribute a student's low achievement to her or his low abilities, whereas they express more anger when attributing low achievement to the student's low effort. In contrast to previous research that argues in favor of anger as a high ability cue, this study has found that the presence of anger was associated with a teacher tendency to give‐up efforts to help the student improve. This giving‐up behavior was negatively related to the tendency of the teachers to accept some responsibility for the student failure. © 2002 Wiley Periodicals, Inc.  相似文献   
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The article addresses the issue of the need for postgraduate training in the fields of architecture, planning, and urban design with a view to enabling third world professionals to improve life in the rural and urban areas of their own countries. It further describes various postgraduate programmes in the field of urban design at Oxford Polytechnic and explains the methods currently applied for the training of relevant professionals. Further analysis of a number of practical and research projects follows.  相似文献   
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This article tells the story of the University of Colorado Law Library's successful effort to develop its first digital archive. The sudden death of the law school's dean was the catalyst for this project, with a goal to unveil the archive at a memorial symposium scheduled nine months in the future. The University of Colorado Law Library staff had never tackled a project of this type or scale before. This article discusses the technological, cataloging, and management issues that were encountered during the project. It also provides advice and tips on how librarians in their own institutions can accomplish such a project.  相似文献   
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Perceptions of effort provide a sense of momentary exertion during exercise, but may have value when considered prior to and after exercise. The purpose of the present study was to determine the relationship between perceived exertion assessed before, during, and after trials of aerobic exercise fixed for total work but varied on intensity patterns. Twenty participants completed five trials of treadmill exercise that included planned intensity variations every 10 minutes to result in the same total work. Perceived exertion was taken before, during, and after exercise. Analyses confirmed each trial was similar in terms of average speed and heart rate (P > 0.05). Predicted and session exertion results indicated that the steady exercise bout was perceived as easier than many trials of varied speed (P < 0.05). Trials including an intense segment in the middle or end of the session were perceived as more difficult than sessions that varied intensity otherwise or remained constant. Similarly, trials that remained constant during the 30-minute period were perceived as less aversive than most other trials. These findings suggest that exercise sessions involving a steady intensity throughout are viewed as less taxing than sessions with variable intensity, especially when compared to sessions that conclude with a higher intensity finish.  相似文献   
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The study aimed to field‐test a Greek version of the Wechsler Quicktest and to examine its psychometric properties. The Quicktest was individually administered to 208 students, aged 5–14 years, along with a reading test. Based on the Rasch analysis, data for the Quicktest subtests showed acceptable fit to the model. Also, correlations were found between the Quicktest subtests. Moreover, the Quicktest was significantly correlated to school grades, teachers’ predictions, scores on the Learning Disability Evaluation Scale (LDES) and Trigka’s Reading Test. A Spearman analysis indicated significant correlations between scores on the Quicktest subtests and the grade level of students. Also, a regression analysis indicated that scores on the Quicktest can predict the scores on the other measures. Results supported the Quicktest’s criterion‐related validity and construct validity and, also, its utility as part of a systematic diagnostic procedure for learning disabilities.  相似文献   
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