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A total of 366 UK children in four different schools, one in Wales, one in Northern Ireland, and two in England, were asked to respond to 20 potentially stressful life experiences. Each event was rated on a scale ranging from 7 (the most upsetting) to 1 (the least), and the scale value and interquartile range were calculated. In addition, whether or not a given event was actually experienced was noted. Across the groups, there was a very high degree of agreement on all three measures, the median correlations being 0.95 for scale values, 0.70 for interquartile ranges, and 0.92 for incidence. Furthermore, the pooled UK results were found to correlate equally closely with the figures previously obtained in the USA and five other countries. The possibility of a prevalent ‘culture of childhood’, cutting across geo‐political boundaries and ethnic groupings, appears to receive further support.  相似文献   
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In this paper, we review research on parental expectations and their effects on student achievement within and across diverse racial and ethnic groups. Our review suggests that the level of parental expectations varies by racial/ethnic group, and that students' previous academic performance is a less influential determinant of parental expectations among racial/ethnic minority parents than among European American parents. To explain this pattern, we identify three processes associated with race/ethnicity that moderate the relation between students' previous performance and parental expectations. Our review also indicates that the relation of parental expectations to concurrent or future student achievement outcomes is weaker for racial/ethnic minority families than for European American families. We describe four mediating processes by which high parental expectations may influence children's academic trajectories and show how these processes are associated with racial/ethnic status. The article concludes with a discussion of educational implications as well as suggestions for future research.  相似文献   
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In contentious natural resource debates, the credibility of scientists is at risk. In this case study, citizens in contending communities and scientists in a forest management controversy constructed the scientists' credibility differently. Shared values and views of the nature of science and objectivity were primary factors for constructing scientists' credibility. Citizens who expected value-free, objective scientists to authenticate their knowledge were concerned about how the values of scientists on the opposite side affected research framing. Citizens who emphasized limited objectivity were less skeptical of scientists. Scientists acknowledged their values but defended their credibility in terms of professional standards, balance and resource constraints. In short, scientists' credibility is relative because each individual has unique values and views of the nature of science and objectivity. Through a collaborative policymaking process, citizens and scientists should develop shared values and visions to reconstruct a temporary, intersubjective sense of credibility.  相似文献   
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We examined the effect of a combination of astaxanthin (AX) supplementation, repeated heat stress, and intermittent reloading (IR) on satellite cells in unloaded rat soleus muscles. Forty-nine male Wistar rats (8-week-old) were divided into control, hind-limb unweighting (HU), IR during HU, IR with AX supplementation, IR with repeated heat stress (41.0–41.5 °C for 30 min), and IR with AX supplementation and repeated heat stress groups. After the experimental period, the antigravitational soleus muscle was analyzed using an immunohistochemical technique. Our results revealed that the combination of dietary AX supplementation and heat stress resulted in protection against disuse muscle atrophy in the soleus muscle. This protective effect may be partially due to a higher satellite cell number in the atrophied soleus muscle in the IR/AX/heat stress group compared with the numbers found in the other groups. We concluded that the combination treatment with dietary AX supplementation and repeated heat stress attenuates soleus muscle atrophy, in part by increasing the number of satellite cells.  相似文献   
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Hirose  Hitoshi 《Reading and writing》1998,10(3-5):375-394
From the perspective of the strategy-based judgment, the present paper researched the process by which the reading of a Chinese character (kanji) is identified as On (reading borrowed from Chinese) or Kun (native Japanese reading). In these experiments, questionnaires containing a list of Chinese characters and their associated readings were printed, and subjects were asked to judge whether the reading given was On or Kun. Subjects were also asked to state the degree of confidence they felt in making this judgment. In Experiment 1, the survey consisted of characters which have only an On-reading. The correct rate and degree-of-confidence judgments from this test suggest that in deciding whether a reading is On or Kun, the strategy employed is If the reading for a character which occurs independently has concrete meaning, it is a Kun-reading; if the reading does not have concrete meaning, it is an On-reading. In Experiment 2, the questionnaire was made up of characters with multiple readings, both On and Kun. From the results of this latter experiment, it would appear that the strategy employed when a character has multiple readings is to reserve judgment regarding the On- or Kun-reading until after the various possible readings have been compared with one another. In addition, the results of these experiments suggest that the strategy employed differs depending on the number of readings that can be assigned to each character. When only one reading is possible, subjects make a judgment directly, but when multiple readings exist for a given character the subjects first compare the possible readings and make inferences; only when this process is complete do they apply a strategy to identify a reading as On or Kun.  相似文献   
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