Effects of childhood setting and interaction with nature on academic performance in introductory college-level courses in the environmental sciences     

Melanie A. Spero  Nick J. Balster  Alex W. Bajcz 《Environmental Education Research》2019,25(3):422-442

This study explored the relationships between student background and academic performance in college introductory environmental science (ES) courses at a large U.S. research university with the premise that this analysis may inform teaching practices, curricula, and efforts to increase retention. We surveyed over 700 students across eleven introductory ES courses and used multiple linear mixed-effects regressions to model the data. We found that students who grew up in rural settings or who had frequent childhood interactions with natural environments earned higher grades, on average, than students from urban settings or with fewer childhood interactions with natural environments. Our results indicate that students reporting frequent childhood interactions with forests, for example, were projected to earn grades up to 1.5 letter grades higher in these courses than students with no such interactions. In addition, students with frequent childhood interactions with nature were likelier to report that such interactions helped them in their ES course, suggesting that these students may recognize the value of these experiences. Greater interest in the subject matter also correlated with higher ES course grades, whereas amount of prior ES coursework did not. We discuss the possible implications of these correlations for ES academic performance and educational practice.  相似文献   

Empowering student learning through Tablet PCs: A case study     

Sandy C. Li  Jacky W. C. Pow  Emily M. L. Wong  Alex C. W. Fung 《Education and Information Technologies》2010,15(3):171-180

Empowering students to learn through ICT is seen as a way to address the growing awareness and demand for preparing students to effectively participate in the emerging global knowledge economy. It is believed that, in order to maintain competitiveness in a global economy, traditional classroom practices must be re-conceptualized in a way that enables students to engage themselves in knowledge building, to become more self-directed, and to assume greater autonomy and social responsibility over their own learning. In this article, we report a case study on the use of Tablet PCs to support teaching and learning in a primary school in Hong Kong, and provide insights into how schools can harness and capitalize on the opportunities offered by such emerging technologies.  相似文献   

Evaluation of Quality of DNA Extracted from Buccal Swabs for Microarray Based Genotyping     

Alex Livy  Sayhean Lye  Chahil K. Jagdish  Nurul Hanis  Velapasamy Sharmila  Lian Wee Ler  Bagali Pramod 《Indian journal of clinical biochemistry : IJCB》2012,27(1):28-33

Buccal cell usage has been shown by many to be a cost effective and safe method to isolate DNA for various biological experiments especially large epidemiological studies (Garcia-Closas et al. Cancer Epidemiol Biomarkers Prev 10:687–696, 2001). Non-invasive DNA collection methods are preferred over phlebotomy in order to increase study participation and compliance in research centers and for sick patients in hospital settings. There have been conflicting reports about the methodology and results obtained from using buccal DNA. It is not very clear if phlebotomy can be confidently replaced by buccal cell DNA. It is often left for the user to take an intelligent decision. To address this issue, we compared the performance of buccal and blood DNA from same subjects in a genotyping experiment and this paper reports the results. Cotton swab derived buccal cells were scraped from the inner side of cheeks from 16 subjects, and blood was also drawn from the same 16 subjects participating in a genotypic association study of a lipid disease. The DNA quality was assessed by resolving on agarose gels, checking purity (A260/A280) and finally by microarray hybridization. This study showed that DNA degradation affects the total yield and performance of the buccal DNA when compared to the blood DNA in microarray based genotyping. Genotyping results can be seriously compromised if care is not taken to check the quality and yields of such specimens.  相似文献   

Classroom teachers and physical activity integration     

Donetta J. Cothran  Pamela Hodges Kulinna  Alex C. Garn 《Teaching and Teacher Education》2010

This project examined 23 teachers’ involvement in a curricular project to integrate physical activity into the school day. The teachers represented all grade levels and worked in schools that served Native American students in the United States. Interviews occurred twice during the year-long project. Data were analyzed via constant comparison. Teachers’ willingness to engage was influenced positively by caring about students and their own personal wellness history. Their engagement was impeded by institutional factors of scheduling and assessment pressures. The results provide insights into how teachers might be persuaded to and prepared for the implementation of similar programs in new locations.  相似文献   

V. A. Ginsburgh and P.-M. Menger (eds.), Economics of the Arts: Selected Essays     

Alex Tabarrok 《Journal of Cultural Economics》1998,22(4):285-287

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Really‐how do chinese team?     

Ruhe Hao  Alex Fong 《Performance Improvement》2000,39(10):39-44

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Understanding sports violence: revisiting foundational explorations     

Christopher R. Matthews  Alex Channon 《Sport in Society》2017,20(7):751-767

Within this paper, we discuss the importance of attending to definitions of ‘violence’. Through a return to a selection of important foundational works, we attempt to unpack the fundamental meanings of violence in a general sense, and sport violence in particular. With a specific focus on the need for definitional clarity, and particular attention to the ‘ritual’ dimensions of sport violence, we argue that engaging with these concepts is essential when conducting research on ‘violent’ contexts. Based on a critical reading of a small selection of relatively recent scholarship in sports settings, we ultimately argue that without careful consideration of what can constitute ‘violence’, scholars risk misrepresenting the social worlds they investigate. In conclusion, we call for researchers to enter into a dialogue with foundational explorations of violence, and also to attend more closely to the definitions favoured by practitioners who engage with apparent ‘violence’ on a regular basis.  相似文献   

Home Computers and School Performance     

Paul Attewell  Juan Battle 《The Information Society》1999,15(1):1-10

This article assesses the effects of home computers on school performance, and examines inequalities in educational payoff among those children who have home computers. We find that having a home computer is associated with higher test scores in mathematics and reading, even after controlling for family income and for cultural and social capital. However, children from high socioeconomic status (SES) homes achieve larger educational gains from home computers than do lower SES children. Boys' performance advantage is larger than girls'. Ethnic minorities gain far less of a performance boost than whites. Home computing may generate another 'Sesame Street effect' whereby an innovation that held great promise for poorer children to catch up educationally with more affluent children is in practice increasing the educational gap between affluent and poor, between boys and girls, and between ethnic minorities and whites, even among those with access to the technology.  相似文献   

Soccer penalty takers' uniform colour and pre-penalty kick gaze affect the impressions formed of them by opposing goalkeepers   总被引：3，自引：0，他引：3  

Greenlees I  Leyland A  Thelwell R  Filby W 《Journal of sports sciences》2008,26(6):569-576

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Effects of dietary macronutrients and body composition on glucose homeostasis in mice     

Sumei Hu  Jacques Togo  Lu Wang  Yingga Wu  Dengbao Yang  Yanchao Xu  Li Li  Baoguo Li  Min Li  Jianbo Li  Guanlin Wang  Xueying Zhang  Chaoqun Niu  Mohsen Mazidi  Alex Douglas  John R Speakman 《国家科学评论(英文版)》2021,8(1):14-24

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