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71.
Amy Diehl Jeffrey T. Grabill William Hart-Davidson Vishal Iyer 《Technical Communication Quarterly》2013,22(4):413-434
This article introduces a simple mapping tool called Grassroots, a software product from a longitudinal study examining the use of information communication technologies and knowledge work in communities. Grassroots is an asset-based mapping tool made possible by the Web 2.0 movement, a movement which allows for the creation of more adaptable interfaces by making data and underlying database structures more openly available via syndication and open source software. This article forwards three arguments. First is an argument about the nature of the knowledge work of everyday life, or an argument about the complex technological and rhetorical tasks necessary to solve commonplace problems through writing. Second is an argument about specific technologies and genres of community-based knowledge work, about why making maps is such an essential genre, and about why making asset maps is potentially transformative. Third is an argument about the making of Grassroots itself; a statement about how we should best express, test, and verify our theories about writing and knowledge work. 相似文献
72.
Stephan Rapp 《School Leadership & Management》2013,33(5):471-490
The purpose of this article is to increase our knowledge about the role that directors of education play as leaders of educational activities. For its analytical framework, the study uses the qualitative research approach known as phenomenography and examines the study's findings against the rationalist perspective, against systems theory and against tight and loosely-coupled systems. On the issue of accountability, the study shows that while the directors were perceived to be accountable for mismanagement of finances, being accountable for student results was not something that worried the directors participating in this study. 相似文献
73.
In the literature addressing the determinants of TV audiences in sports, both the absolute and relative playing strength of the opponents play a prominent role. Regarding national team competitions, however, this study conjectures that patriotism matters as well. Analyzing the Swiss TV audience at 2 World Cups and 2 European Football Championships, this study finds strong evidence that TV ratings are highly affected by the sizes of the groups of foreign residents affiliated with the teams playing on the field. 相似文献
74.
AbstractSocial media and news use arguably contribute to the prevalence of contentious politics because individuals may express dissent through their social networks as they consume news. This study seeks to test whether individuals might be more open to political persuasion in this context, especially if they are exposed to political disagreement or discuss politics in a civil manner. Relying on survey data from the UK, results based on a moderated moderation model show that (a) social media news use predicts political persuasion on social media (direct effects) and, (b) discussion disagreement and civil reasoning moderate this relationship in two-way and three-way interactions. 相似文献
75.
David Wood Carey Watt Andrew Grainger Stephan Wassong Wray Vamplew Zinon Papakonstantinou 《国际体育史杂志》2013,30(15):2284-2310
76.
Prof. Dr. phil. habil. Kuno Hottenrott Sebastian Ludyga Stephan Schulze 《Sportwissenschaft》2013,43(3):157-165
The aim of the study was to examine the effects of three different training models on aerobic power and body composition in recreationally active runners. According to their preferences 54 subjects (female=?27, male?=?27) were assigned to the following groups: (a) weekend group (WE), who performed two sessions of continuous endurance training weekly, (b) after-work group (FE) who carried out four sessions of high intensity training as well as an additional endurance run and (c) STAR group (STAR), who took part in a training with exercise telemetry monitors based on the heart rate variability. Over the 12-week study period the mean training volume was approximately 2 h 15 min per week. Of the participants 47 successfully completed the training study and all 3 groups showed significantly improved aerobic power (p?<0.001); however, the FE group (d?=?1.15) showed increased VO2max superior to WE (d?=?0.48) and STAR (d?=?0.66) groups. Significant improvements in body mass (p?<?0.001), body fat (p?<?0.001) and visceral fat (p?<?0.001) were found in the WE, FE and STAR group. All groups completed the half marathon with no significant differences in performance. Based on a similar training volume, short, intensive endurance training sessions of about 30 min were found to elicit the greatest improvements of VO2max in recreationally active runners. 相似文献
77.
Frank Rosenkränzer Christian Hörsch Stephan Schuler Werner Riess 《International Journal of Science Education》2013,35(14):1932-1951
ABSTRACTSystems’ thinking has become increasingly relevant not only in education for sustainable development but also in everyday life. Even if teachers know the dynamics and complexity of living systems in biology and geography, they might not be able to effectively explain it to students. Teachers need an understanding of systems and their behaviour (content knowledge), and they also need to know how systems thinking can be fostered in students (pedagogical content knowledge (PCK)). But the effective development of teachers’ professional knowledge in teaching systems thinking is empirically uncertain. From a larger study (SysThema) that investigated teaching systems thinking, this article reports the effects of the three different interventions (technical course, didactic course and mixed course) in student teachers’ PCK for teaching systems thinking. The results show that student teachers’ PCK for teaching systems thinking can be promoted in teacher education. The conclusion to be drawn from our findings is that a technically orientated course without didactical aspects seems to be less effective in fostering student teachers’ PCK for teaching systems thinking. The results inform educators in enhancing curricula of future academic track and non-academic track teacher education. 相似文献
78.
Kristin Knipfer Eva Mayr Carmen Zahn Stephan Schwan Friedrich W. Hesse 《Educational Research Review》2009,4(3):196-209
In this article, the potentials of advanced technologies for learning in science exhibitions are outlined. For this purpose, we conceptualize science exhibitions as dynamic information space for knowledge building which includes three pathways of knowledge communication. This article centers on the second pathway, that is, knowledge communication among visitors. We argue that advanced technologies have specific potentials to support all forms of visitor-to-visitor knowledge communication and, furthermore, allow for new forms of knowledge communication among unacquainted visitors and beyond the actual museum visit. We discuss mechanisms of collaborative learning with regard to their relevance for visitor-to-visitor knowledge communication and present prototypical advanced media applications in science exhibitions that address these mechanisms. This article both contributes to our understanding of collaborative learning in science exhibitions and the support advanced technologies can provide for visitor-to-visitor knowledge communication in science exhibitions. 相似文献
79.
Skedsmo Guri Huber Stephan Gerhard 《Educational Assessment, Evaluation and Accountability》2020,32(4):427-429
Educational Assessment, Evaluation and Accountability - 相似文献
80.