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A rich literature exists reinforcing the notion that both perceived and received social support has stress ameliorating and protective benefits both psychologically and physiologically. However, recent literature suggests that excessive dyadic negative problem talk about an issue, a phenomenon labeled co-rumination, may reverse much of the beneficial effects of social support. Healthy young adults participated in a laboratory research study exploring the associations between co-rumination and immune system inflammatory response. Partial correlations indicated a positive association between co-rumination and C-reactive protein and a negative association between co-rumination and interleukin-6 after controlling for stress, anxiety, and temperature. Discussion focuses on the means by which co-rumination may lead to negative health outcomes. 相似文献
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A Campus-Wide Investigation of Clicker Implementation: The Status of Peer Discussion in STEM Classes
Justin D. Lewin Erin L. Vinson MacKenzie R. Stetzer Michelle K. Smith 《CBE life sciences education》2016,15(1)
At the University of Maine, middle and high school teachers observed more than 250 university science, technology, engineering, and mathematics classes and collected information on the nature of instruction, including how clickers were being used. Comparisons of classes taught with (n = 80) and without (n = 184) clickers show that, while instructional behaviors differ, the use of clickers alone does not significantly impact the time instructors spend lecturing. One possible explanation stems from the observation of three distinct modes of clicker use: peer discussion, in which students had the opportunity to talk with one another during clicker questions; individual thinking, in which no peer discussion was observed; and alternative collaboration, in which students had time for discussion, but it was not paired with clicker questions. Investigation of these modes revealed differences in the range of behaviors, the amount of time instructors lecture, and how challenging the clicker questions were to answer. Because instructors can vary their instructional style from one clicker question to the next, we also explored differences in how individual instructors incorporated peer discussion during clicker questions. These findings provide new insights into the range of clicker implementation at a campus-wide level and how such findings can be used to inform targeted professional development for faculty. 相似文献
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Justin A. Walden 《广播与电子媒介杂志》2016,60(2):347-363
Research indicates that people are increasingly spending time with social media and other information communication technology. However, scholars have not fully examined how employees as holistic media consumers utilize social media in multiple contexts. Through in-depth interviews (N = 29), this study demonstrates that even as social media are embedded in organizational media use routines, employees question this technology for 2 reasons: It distracts from tasks and threatens personal privacy. These concerns often, but not exclusively, relate to employee age and the amount of time they have worked for the company. The study concludes by arguing that social media’s arrival in the workplace may exacerbate tensions and problems that are associated with presence-creep and the distortion of the work-life balance. 相似文献
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Betsy Appleton Justin Clarke Laurie Kaplan Dani Roach Rebecca Kemp Goldfinger 《期刊图书馆员》2016,70(1-4):198-203
This session highlighted trends in continuing resource collections and collection management throughout the 30-year period from 1985 through 2015. Electronic resources became available in the 1990s and grew in prevalence from the 2000s through the present, changing the make-up of library collections and also how libraries measure collections and collection usage. Two librarians and two vendors shared their perspectives on these changes in collection development, describing how library collections now contain a combination of older formats and older ways of collecting data, and new, electronic content and automated ways of collecting and disseminating data about collections. 相似文献
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Carmel McNaught Dianne Raubenheimer Margaret Keogh Rob O'Donoghue Jim Taylor 《Research in Science Education》1992,22(1):291-298
This paper describes an ongoing process of participatory curriculum development. It outlines some of the tensions which need
to be explored in science curriculum development: debates about the nature of science, of society, of school science content
and of learning theories. The process whereby action can arise from this debate is also explored. An example will be outlined
of a network of science curriculum action which has developed from the work of a range of science education projects in Natal,
South Africa.
Specializations: science curriculum development from primary to tertiary level.
Specializations: inservice primary science teacher development.
Specializations: inservice teacher development, biology education.
Specializations: environmental education, teacher development.
Specializations: environmental education, teacher development. 相似文献
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Headship transitions in U.S. independent schools represent critical organizational events that affect multiple school constituencies, including faculty, staff, and students. With recent projections forecasting a high level of impending headship transitions in independent schools, this paper seeks to capture how second-year U.S. independent school heads (n = 16) describe their transition experiences in order to provide insights into how boards, heads, and school communities can provide meaningful supports for their incoming school leaders. Further recommendations for practice and research are also provided. 相似文献
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Leonard A. Annetta Justin C. Matus 《International Journal of Science and Mathematics Education》2004,1(3):311-331
The Science Co-op is a local systemic change project that connects eight regional clusters of elementary schools in rural Missouri and Iowa in the USA. These clusters are comprised of 38 school districts distributed over 40,000 square miles and include more than 1,400 teachers and 20,000 elementary school students. The project stresses inquiry science in the classroom and involves investigating science ideas using a constructivist approach and cross-curricular connections. Within the frameworks of the Science Co-op project a technology known as Interactive Television (ITV) allows for almost real-time interaction (a 3–5 second delay) within the state boundaries of Missouri and Iowa, respectively. The primary goals of the ITV sessions are to enhance the science content and science pedagogical knowledge among the population of elementary school teachers that they may have lacked in their prior education, and to reinforce and extend instructional strategies emphasized in this local systemic change project. In this study the participants' self-reported learning and reactions to live ITV sessions and videotaped, delayed broadcast of ITV sessions were compared. Regression analysis results show teaching experience's influence on overall satisfaction with ITV (p<0.05) while mode attended, perceived technical difficulty, preferred mode, and perceived new skills or content learned in the session entered the regression equation at p=.000. Further t-tests suggested p>0.05 for perceived new skills and content learned on the different modes of communication. 相似文献