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It has been argued that the Internet and social media increase the number of available viewpoints, perspectives, ideas and opinions available, leading to a very diverse pool of information. However, critics have argued that algorithms used by search engines, social networking platforms and other large online intermediaries actually decrease information diversity by forming so-called “filter bubbles”. This may form a serious threat to our democracies. In response to this threat others have developed algorithms and digital tools to combat filter bubbles. This paper first provides examples of different software designs that try to break filter bubbles. Secondly, we show how norms required by two democracy models dominate the tools that are developed to fight the filter bubbles, while norms of other models are completely missing in the tools. The paper in conclusion argues that democracy itself is a contested concept and points to a variety of norms. Designers of diversity enhancing tools must thus be exposed to diverse conceptions of democracy. 相似文献
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Cennet Engin Demir 《Educational Research and Evaluation》2013,19(2):89-107
This study analyzes the perceptions of Turkish and American middle school students of school and schooling by examining the metaphors they produce. A total of 18 American and 24 Turkish students were interviewed as part of this study. The results show differences in the participants' perceptions of schooling by culture. Turkish participants perceived the school environment as family-like, care-giving, psychologically nurturing, educationally exemplary, and physically appealing. School was also seen as a fundamental prerequisite in the preparation for life and the possibility of employment, promising upward social mobility as an adult. Overall, while some American participants perceived school as a wild, crowded, chaotic, boring, painful, regulated environment in which students must learn to survive, others see it as a place of joy, caring, involvement, and learning. The study also indicates that metaphors are useful tools in understanding how students as real actors of school make sense of schooling and their experiences in school. 相似文献
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In Experiment I, rats received one food rewarded trial per day in a runway. One group received all its trials under hunger (Group H); the second group received a random half of its trials under hunger and the other half of its trials under hunger plus thirst (Group H-HT). Group H-HT ultimately ran slower on HT trials than on H trials. In Experiment II, the effects of shifting from H to HT and vice versa were examined in a five-phase design. In general, rats run under H ran faster than rats run under HT, and shifts from H to HT produced rapid decreases in speed, while shifts from HT to H produced extremely slow increases in speed. The results of both experiments were interpreted as indicating that the reward value of food is greater under H than under HT and that the manipulation H vs. HT may be viewed as theoretically similar to manipulation of reward magnitude. 相似文献
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Meral Aksu Cennet Engin Demir Aysegul Daloglu Soner Yildirim Ercan Kiraz 《International Journal of Educational Development》2010,30(1):91-101
This exploratory study examines the background characteristics, socio-cultural values and pedagogical beliefs that entering student teachers bring with them into the faculties of education and explores their possible implications for teacher education in the Turkish context. The study comprised 18,226 first-year student teachers from 51 faculties of education who participated in the study by responding to a three-section questionnaire developed by the research team. Their responses indicate that students entering education faculties typically come from families of lower-middle socio-economic status living in urban areas, tend to possess more traditional than secular-rational values and have not yet formed clear pedagogical beliefs. 相似文献
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This paper is a theoretical effort to support but complicate critiques of disaster capitalism and neoliberal strategies to profit from public education. We put into conversation a discursive analysis following Michel Foucault and a spatial analysis following Henri Lefebvre that focus on monumentalized disasters. We argue that neoliberalism carries out its agenda of privatization through public spaces that are never fully dismantled. We draw on empirical research into spaces that exemplify the usefulness of our reading of neoliberal privatization, including aspects of post-Katrina New Orleans and a more thorough case study of a pre- and post-earthquake Haiti and its highly privatized education system. 相似文献
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Marion Engin 《师资教育杂志》2015,41(3):254-266
Written artefacts often form a significant part of teacher education activities and play a crucial role in the dialogue between tutor and student teacher in a post-observation feedback session. However, although the dialogue of feedback sessions has been extensively researched, the role of the artefact has been less explored. This research examines how the written artefact of a running commentary guides or constrains the pedagogical conversation between tutor and student teachers, as well as how it represents the power and authority of the tutor and the teacher education establishment. The article concludes with implications for pre-service teacher education practice. 相似文献
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Research in socioscientific issue (SSI)-based interventions is relatively new (Sadler in Journal of Research in Science Teaching 41:513–536, 2004; Zeidler et al. in Journal of Research in Science Teaching 46:74–101, 2009), and there is a need for understanding more about the effects of SSI-based learning environments (Sadler in Journal of Research in Science Teaching 41:513–536, 2004). Lee and Witz (International Journal of Science Education 31:931–960, 2009) highlighted the need for detailed case studies that would focus on how students respond to teachers’ practices of teaching SSI. This study presents case studies that investigated the development of secondary school students’ science understanding and their socioscientific reasoning within SSI-based learning environments. A multiple case study with embedded units of analysis was implemented for this research because of the contextual differences for each case. The findings of the study revealed that students’ understanding of science, including scientific method, social and cultural influences on science, and scientific bias, was strongly influenced by their experiences in SSI-based learning environments. Furthermore, multidimensional SSI-based science classes resulted in students having multiple reasoning modes, such as ethical and economic reasoning, compared to data-driven SSI-based science classes. In addition to portraying how participants presented complexity, perspectives, inquiry, and skepticism as aspects of socioscientific reasoning (Sadler et al. in Research in Science Education 37:371–391, 2007), this study proposes the inclusion of three additional aspects for the socioscientific reasoning theoretical construct: (1) identification of social domains affecting the SSI, (2) using cost and benefit analysis for evaluation of claims, and (3) understanding that SSIs and scientific studies around them are context-bound. 相似文献
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Burcu Erdemir Cennet Engin Demir Jülide Yıldırım Öcal Yaşar Kondakçı 《The Educational forum》2020,84(2):126-139
AbstractConstant pressures emanating from internal and external environments of the academy have resulted in many changes, one of which is the workplace mobbing, an old issue for the broader field of organization science but a relatively new phenomenon in the academic context. This study investigated the relationship between workplace mobbing and academic leadership and the results indicated that the more positive leadership there is in an institution, the less mobbing behaviors are observed. 相似文献
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Marion Engin 《欧洲师范教育杂志》2013,36(1):39-54
The purpose of this research was to explore trainer questioning strategies which aimed to scaffold development and learning in teacher training feedback sessions. Research was conducted with a group of Turkish pre-service English teacher trainees at an English-medium university in Turkey. Findings include a categorisation of different question types which seemed to prompt reflection and construction of knowledge. The data also suggest that trainees need varying levels of support through different question types to better scaffold their understanding of teaching. This study concludes with a data-driven framework of questioning strategies which can be a potential guide for trainers working with pre-service English teacher trainees. 相似文献