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131.
Anna Mavroudi Thanasis Hadzilacos Dimitris Kalles Andreas Gregoriades 《Interactive Learning Environments》2016,24(8):1996-2010
This paper discusses a requirements engineering process that exemplifies teacher-led design in the case of an envisioned system for adaptive learning. Such a design poses various challenges and still remains an open research issue in the field of adaptive learning. Starting from a scenario-based elicitation method, the whole process was highly participatory, with requirements validation in iterative cycles. The contribution of the paper is twofold: (a) it exposes the design of an environment which addresses the related challenges mentioned by the participants and the literature and (b) it suggests a methodology of framing key requirements into a set of critical success factors for meeting the end-users’ expectations. The latter could be crucial in cases where the available resources are limited, but the quality of the product must not be sacrificed. 相似文献
132.
Andreas Ryve 《Educational Studies in Mathematics》2004,56(2-3):157-177
Four groups (three engineering students in each group)were videotaped while constructing concept maps in Linear Algebra. There are two aims of this study. The first is to characterize the discourse in the groups by addressing the following research questions: Do the students communicate in an effective way?Do the students' communications contain the elements typical for amathematically productive discourse? The analysis indicates that the communication among the students is effective and contains the elements that are characteristic for a mathematically productive interaction. The two types of methods used to analyze the data were focal and preoccupational analysis. The mathematical content and the coherence of the conversations were examined through focal analysis. The participants' engagement in the discourse was examined by preoccupational analysis, carried out by means of interactive flow chart. The second aim of this study is to evaluate the newly developed methodological framework used to characterize the discourses. The study shows that several aspects of the methodological framework need to be developed. 相似文献
133.
Dynamic adaptation of multimedia content is seen as an important feature of next generation networks and pervasive systems enabling terminals and applications to adapt to changes in e.g. context, access network, and available Quality-of-Service (QoS) due to mobility of users, devices or sessions. We present the architecture of a multimedia stream adaptation service which enables communication between terminals having heterogeneous hardware and software capabilities and served by heterogeneous networks. The service runs on special content adaptation nodes which can be placed at any location within the network. The flexible structure of our architecture allows using a variety of different adaptation engines. A generic transcoding engine is used to change the codec of streams. An MPEG-21 Digital Item Adaptation (DIA) based transformation engine allows adjusting the data rate of scalable media streams. An intelligent decision-taking engine implements adaptive flow control which takes into account current network QoS parameters and congestion information. Measurements demonstrate the quality gains achieved through adaptive congestion control mechanisms under conditions typical for a heterogeneous network. 相似文献
134.
Knowledge Management Research & Practice - Decision makers process and combine manifold types of data, information and knowledge, available in various forms in the organisation. The aim of... 相似文献
135.
Attention control abilities are relevant for learning success. Little is known about the development of audio-visual attention in early childhood. Four groups of children between the ages of 4 and 10 years and adults performed an audio-visual distraction paradigm (N = 106). Multilevel analyses revealed increased reaction times in a visual categorization task when task-irrelevant novel sounds were presented, demonstrating involuntary distraction of attention. This distraction effect decreased with age and significantly differed between age groups. In addition, the two youngest age groups responded with a delay in trials following a distractor trial, indicating delayed reallocation of attention to the task at hand. Results indicate a significant maturation of audio-visual attention control within a few years during early childhood that continues throughout middle childhood. 相似文献
136.
Fejes Andreas 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》2019,65(2):233-250
International Review of Education - The role of adult education in the shaping and fostering of democratic citizens is prevalent in current transnational and national policy discussions; a... 相似文献
137.
Paul Andrews Andreas Ryve Kirsti Hemmi Judy Sayers 《Educational Studies in Mathematics》2014,87(1):7-26
Finnish students’ success on all three content domains of each of the four cycles of the OECD’s Programme for International Student Assessment (PISA) has created much international interest. It has also prompted Finnish academics to offer systemic explanations typically linked to the structural qualities of Finnish schooling and teacher education. Less well-known has been the modest mathematics performance of Finnish grade 8 students on the two Trends in International Mathematics and Science Study (TIMSS) in which Finland has participated, which, when compared with its PISA successes, has created something of an enigma. In this paper, we attempt to shed light on this enigma through analyses of Finnish mathematics classroom practice that draw on two extant data sets—interviews with Finnish teacher educators and video-recordings of sequences of lessons taught on standard topics. Due to the international interest in Finnish PISA success, the analyses focus primarily on the resonance between classroom practice and the mathematical literacy component of the PISA assessment framework. The analyses indicate that Finnish mathematics didactics are more likely to explain the modest TIMSS achievements than PISA successes and allude to several factors thought to be unique to the Finns, which, unrelated to mathematics teaching practices, may be contributory to the repeated Finnish PISA successes. Some implications for policy-borrowing are discussed. 相似文献
138.
Andreas Otto Brunold 《Higher Education in Europe》2005,30(3-4):295-306
Globalization is a fundamental factor affecting higher education in this century. More than ever before, the processes of globalization are being integrated into a set of social, technological, economic, cultural and ecological factors, so that we are now beginning to accept that we are facing a completely irreversible world‐wide phenomenon. The concept of sustainable development integrates these factors and leads, beside environmental education, to a demand for global learning and education for sustainable development. To get a better understanding of the subject, the decision‐game ‘Prisoner's Dilemma’ focuses on the aspect of the public good. 相似文献
139.
140.