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排序方式: 共有134条查询结果,搜索用时 15 毫秒
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Tracy L. Spinrad Nancy Eisenberg Sonya Xinyue Xiao Jingyi Xu Rebecca H. Berger Sarah L. Pierotti Deborah J. Laible Gustavo Carlo Diana E. Gal-Szabo Jayley Janssen Ashley Fraser Xiaoye Xu Wen Wang Jamie Lopez 《Child development》2023,94(1):93-109
Relations among White (non-Latinx) children's empathy-related responding, prosocial behaviors, and racial attitudes toward White and Black peers were examined. In 2017, 190 (54% boys) White 5- to 9-year-old children (M = 7.09 years, SD = 0.94) watched a series of videos that depicted social rejection of either a White or Black child. Empathy-related responses, prosocial behaviors, and racial attitudes were measured using multiple methods. Results showed that younger children showed less facial concern toward Black than White peers and greater increases with age in concern and prosocial behaviors (sharing a desirable prize) for Black, compared to White, targets. Children's facial anger increased with age for White but not Black targets. The findings can extend our understanding children's anti-racism development. 相似文献
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We examined the reliability and validity of the assistant referee intermittent endurance test (ARIET), a modified Yo-Yo IE2 test including shuttles of sideways running. The ARIET was carried out on 198 Italian (Serie A-B, Lega-Pro and National Level) and 47 Danish elite soccer assistant referees. Reproducibility was tested for 41 assistant referees on four occasions each separated by one week. The ARIET intraclass correlation coefficients and typical error of measurement ranged from 0.96 to 0.99 and 3.1 to 5.7%, respectively. ARIET performance for Serie A and B was 23 and 25% greater than in Lega-Pro (P < 0.001). The lowest cut-off value derived from receiving operator characteristic discriminating Serie A-B from Lega-Pro was 1300 m. The ARIET performance was significantly correlated with VO(2max) (r = 0.78, P < 0.001), %HR(max) after 4 min of ARIET (r = - 0.81, P < 0.001) and Yo-Yo IR1 performance (r = 0.95, P < 0.001), but not sprint performance (r = -0.15; P = 0.58). The results showed that ARIET is a reproducible and valid test that is able to discriminate between assistant referees of different competitive levels. The lack of correlation with sprinting ability and close correlations with aerobic power, intermittent shuttle running and sub-maximal ARIET heart rate loading provide evidence that ARIET is a relevant test for assessment of intermittent endurance capacity of soccer assistant referees. 相似文献
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Carlo Raffo 《Journal of educational administration and history》2011,43(4):325-343
As Barker notes, the link between disadvantage and poor educational attainments is an enduring one. Educational policy over the last 40 years or so has tended to respond to educational inequality in predominately one of two ways – attempts to raise standards across the system as a whole and attempts to redistribute resources to families, schools and neighbourhoods in mainly poor urban contexts to help improve educational outcomes. Over time these later compensatory educational policies and interventions have become known as area-based initiatives (ABIs). This article categorises and documents these important initiatives and provides evidence of impact. The key finding is that although there have been improvements in attainments linked to these interventions, there continues to be an enduring link between disadvantage and educational outcomes. In an attempt to conceptualise why this is the case, this article utilises Barker's ecological macro, meso and micro perspective on educational disadvantage and Fraser's social justice ideas of redistribution and recognition. 相似文献
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Jaideep S. Dudani Daniel R. Gossett Henry T. K. Tse Robert J. Lamm Rajan P. Kulkarni Dino Di Carlo 《Biomicrofluidics》2015,9(1)
Exosomes, nanosized membrane-bound vesicles released by cells, play roles in cell signaling, immunology, virology, and oncology. Their study, however, has been hampered by difficulty in isolation and quantification due to their size and the complexity of biological samples. Conventional approaches to improved isolation require specialized equipment and extensive sample preparation time. Therefore, isolation and detection methods of exosomes will benefit biological and clinical studies. Here, we report a microfluidic platform for inline exosome isolation and fluorescent detection using inertial manipulation of antibody-coated exosome capture beads from biological fluids. 相似文献
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Capranica L Minganti C Billat V Hanghoj S Piacentini MF Cumps E Meeusen R 《Research quarterly for exercise and sport》2005,76(2):212-223
In general, women are well represented among sport participants and sport audiences but not in the media. Data show that women's sport is greatly underreported and trivialized in newspapers. Therefore, the purpose of this study was to measure press coverage during the 2000 Summer Olympic Games in the largest circulating Belgian, Danish, French, and Italian daily newspapers by: (a) number of articles, (b) size, (c) page placement, (d) accompanyingphotographs, and (e) photograph size. For each sport covered, the athletes' nationality and the gender were recorded. Compared to the 1996 Atlanta Games, there was an increase of 326 female athletes (+4 %), and women competed in 25 sports and 132 events (44 %) of the total 300 events. Although only 29.3 % of the articles and 38 % of photos were on women 's sports, the newspaper coverage was similar to the distribution of participating athletes and events. No significant gender differences were found with respect to article size, page placement, accompanying photographs, or photograph size. The most covered sport was track and field, independent of national achievement. Other sports received different coverage in relation to national expectations, achievement, and participation. In conclusion, there was a trend to overcome gender inequities in media coverage during the Olympic Games, which may be due to the International Olympic Committee's actions to promote increased participation of women in sport activities and to publicize their achievements. Moreover, during the Olympic Games, a nationalistic fervor might affect the equality of gender coverage. 相似文献
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This article presents an overview of the methods, findings, and the general implications of the 2007 Public Libraries and the Internet study. This annual study has chronicled public libraries' provision of Internet access to patrons and a range of related issues since the early 1990s. The 2007 study focused on the provision and maintenance of Internet access and services, infrastructure issues, community impacts of the technology, training, library technology funding, and e-government roles of public libraries. This article details these findings, exploring how the 2007 data compare to previous studies. It also considers the implications of these comparisons in terms of the levels of service that libraries are able to provide, the challenges that libraries face in providing these services, and the ways in which communities and governments rely on public libraries to guarantee public Internet access. 相似文献
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