Rediscovering radiology: new technologies and remedial action at the worksite     

Rystedt H  Ivarsson J  Asplund S  Johnsson AA  Båth M 《Social studies of science》2011,41(6):867-891

This study contributes to social studies of imaging and visualization practices within scientific and medical settings. The focus is on practices in radiology, which are bound up with visual records known as radiographs. The study addresses work following the introduction of a new imaging technology, tomosynthesis. Since it was a novel technology, there was limited knowledge of how to correctly analyse tomosynthesis images. To address this problem, a collective review session was arranged. The purpose of the present study was to uncover the practical work that took place during that session and to show how, and on what basis, new methods, interpretations and understandings were being generated. The analysis displays how the diagnostic work on patients' bodies was grounded in two sets of technologically produced renderings. This shows how expertise is not simply a matter of providing correct explanations, but also involves discovery work in which visual renderings are made transparent. Furthermore, the results point to how the disciplinary knowledge is intertwined with timely actions, which in turn, partly rely on established practices of manipulating and comparing images. The embodied and situated reasoning that enabled radiologists to discern objects in the images thus display expertise as inherently practical and domain-specific.  相似文献   

Boundary objects and curriculum change: the case of integrated versus subject-based teaching     

Magnus Hultén 《课程研究杂志》2013,45(6):790-813

The article examines the stability and success of ideas within pedagogical discourses. Why do certain ideas attract actors and how does change come about? These general questions are dealt with through considering the example of the swift spread of an interdisciplinary idea, arbetsområde (translated to ‘spheres of work’) in the process of a Swedish national curriculum reform 1966–1967. How did it manage to become such a central concept in the curriculum? The article uses the concept of the boundary object in order to understand the popularity of the ‘spheres of work’ concept. Boundary objects have normally been used to explain the rigidity of science, and how the heterogeneity of different actors normally involved in the production of scientific knowledge can be coordinated and result in generalizable findings. However, lately, they have been applied to the field of curriculum studies. In this study, a boundary object pinpoints the fact that curricular solutions can be about coordinating different types of actors with different stakes in the making of a curriculum.  相似文献   

Introduction to the special section: Heterogeneity and university-industry relations     

Magnus Gulbrandsen 《Research Policy》2011,40(1):1-5

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Longitudinal relationships between perceived stress,exercise self-regulation and exercise involvement among physically active adolescents     

Markus Gerber  Magnus Lindwall  Serge Brand  Christin Lang  Catherine Elliot  Uwe Pühse 《Journal of sports sciences》2015,33(4):369-380

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Education,political socialization and extremism     

Magnus Haavelsrud 《British Journal of Sociology of Education》2009,30(1):113-120

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A teachable-agent-based game affording collaboration and competition: evaluating math comprehension and motivation     

Lena Pareto  Magnus Haake  Paulina Lindstr?m  Bj?rn Sj?dén  Agneta Gulz 《Educational technology research and development : ETR & D》2012,60(5):723-751

This paper presents an educational game in mathematics based on an apprenticeship model using a teachable agent, as well as an evaluative study of how the game affects (1) conceptual understanding and (2) attitudes towards mathematics. In addition, we discuss how collaborative and competitive affordances of the game may affect understanding and motivation. 19 students played the game in pairs once a week during math lessons for 7?weeks (the game-playing group) while another 19 students followed the regular curriculum (the control group). Math comprehension scores increased significantly for the game-playing group but not the control group (p?<?0.05). However, there was no significant difference in attitude change between the two groups. Post hoc analyses indicated that game-playing primarily affected students?? confidence in explaining math to a peer, but not their enjoyment of doing so. Collaborative and competitive activities seem to carry a strong motivational influence for students to play the game.  相似文献   

Engaging students in higher education through mobile learning: lessons learnt in a Chinese entrepreneurship course     

Thomas Menkhoff  Magnus Lars Bengtsson 《Educational Research for Policy and Practice》2012,11(3):225-242

This evaluative?Cexploratory case study reports pedagogical experiences with using mobiles phones, wikis, and other mobile learning approaches such as podcasts and walking tours as educational tools in the context of an undergraduate course on Chinese Entrepreneurship and Asian Business Networks taught at a university in Singapore. Conceptualized as mobile learning, the paper argues that information and communication technologies (ICT) devices used by Gen Y students as part of their everyday life such as hand phones in combination with social media platforms such as course wikis and other proven pedagogical methods such as mini lectures, field visits, and walking tours can greatly enrich learners?? experience and produce valuable learning outcomes on the basis of blended learning provided their usage is easy and effectively integrated into the respective instructional strategy.  相似文献   

Functional centrality and innovation intensity: Employee-level analysis of the Telenor group     

Fulvio Castellacci  Magnus Gulbrandsen  Jarle Hildrum  Ieva Martinkenaite  Erlend Simensen 《Research Policy》2018,47(9):1674-1687

Recent research on employee-level innovation focuses on scientists’ ability to source advanced knowledge and use it to create new ideas and innovation within a firm. The present paper introduces a new dimension to this literature: functional departments. We argue that functional centrality, namely the extent to which a functional department is central in the intra-organizational network, affects employees’ innovation intensity. We make use of a rich novel dataset at the employee-level for the Telenor Group, based on a large-scale survey among nearly 16,000 employees in all business units and functions of the company. The empirical results point out that employees’ innovation intensity is higher in departments that are centrally positioned in the company’s internal network. Task characteristics such as quality orientation, entrepreneurial attitude and result pressure moderate the relationship between centrality and innovation.  相似文献   

Cautious realism and middle range ontology     

P. D. Magnus 《Metascience》2018,27(3):365-370

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Temporal pattern analysis and its applicability in sport: an explanation and exemplar data   总被引：1，自引：1，他引：0  

Borrie A  Jonsson GK  Magnusson MS 《Journal of sports sciences》2002,20(10):845-852

Quantitative analysis of sports performance has been shown to produce information that coaches can use within the coaching process to enhance performance. Traditional methods for quantifying sport performances are limited in their capacity to describe the complex interactions of events that occur within a performance over time. In this paper, we outline a new approach to the analysis of time-based event records and real-time behaviour records on sport performance known as T-pattern detection. The relevant elements of the T-pattern detection process are explained and exemplar data from the analysis of 13 soccer matches are presented to highlight the potential of this form of analysis. The results from soccer suggest that it is possible to identify new profiles for both individuals and teams based on the analysis of temporal behavioural patterns detected within the performances.  相似文献