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101.
Reviewer assignment is an important task in many research-related activities, such as conference organization and grant-proposal adjudication. The goal is to assign each submitted artifact to a set of reviewers who can thoroughly evaluate all aspects of the artifact’s content, while, at the same time, balancing the workload of the reviewers. In this paper, we focus on textual artifacts such as conference papers, where both (aspects of) the submitted papers and (expertise areas of) the reviewers can be described with terms and/or topics extracted from the text. We propose a method for automatically assigning a team of reviewers to each submitted paper, based on the clusters of the reviewers’ publications as latent research areas. Our method extends the definition of the relevance score between reviewers and papers using the latent research areas information to find a team of reviewers for each paper, such that each individual reviewer and the team as a whole cover as many paper aspects as possible. To solve the constrained problem where each reviewer has a limited reviewing capacity, we utilize a greedy algorithm that starts with a group of reviewers for each paper and iteratively evolves it to improve the coverage of the papers’ topics by the reviewers’ expertise. We experimentally demonstrate that our method outperforms state-of-the-art approaches w.r.t several standard quality measures. 相似文献
102.
Rizos D Karababa P Sarandakou A Panagiotakis O Haliassos A Makris K Psarra K Bairaktari E Spyropoulou P Nikolou C Galiatsatos N Trakas N Ferderigou A Seferiadis K;Greek National Clinical Chemistry Registration Commission 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2011,21(1):30-37
In Greece, there is no officially organized training in clinical chemistry for scientists. The Greek Society of Clinical Chemistry-Clinical Biochemistry decided to organize an intensive educational program of 18 seminars on clinical chemistry content as it is described in the EC4 Syllabus. The duration of each seminar was about 6 hours and consisted of 6 to 9 lectures. At the end of each seminar there was a voluntary written examination, comprised of 24 multiple choice questions. Successful completion of the Educational program was leading to a Certificate of Competence. Two cycles of the 18 seminars were performed: 1st cycle from October 2003 to December 2005 and 2nd cycle from March 2005 to October 2007. One hundred eighty nine colleagues was the mean attendance per seminar for the seminars of the 1st cycle and 38 colleagues for the seminars of the 2nd cycle. The mean participation to the examination for each seminar was almost 80% for the 1st cycle and 68% for the 2nd cycle. More than 80% of the participants performed Good or Very good in the examination in both cycles. It is estimated that more than 40% of the scientists who practice Clinical Chemistry in Greece, participated to this educational activity. This program is now provided as an e-learning application, and it is open for all scientists who want to follow the discipline of clinical chemistry. 相似文献
103.
This paper examines the experiences of minority students from two different cultural groups, immigrant children of Pontian background and indigenous minority children of Roma descent, in the Greek-Cypriot educational system. Through a joint re-examination of results from two different qualitative studies, this paper delineates similarities and differences of how life at school is experienced through the eyes of children who are not part of the mainstream, in an effort to gain insight into the nuances of being a minority child in the specific educational system. Comparisons across the two groups of children suggest that although both groups shared a minority status, they nonetheless experienced marginalisation across different dimensions that were linked to their dual multilayered position as both insiders and outsiders. Attention to such complexities enables us to gain deeper understandings of children’s lives, as too often the category of ‘minority child’ seems to be treated as a monolithic and homogeneous one. 相似文献
104.
Disaffection and behaviour problems continue to be a cause of concern in many schools. Although many schemes and initiatives have attempted to address these issues, few have proved completely successful. It is suggested that in the light of the current phase of educational reforms, with its emphasis on raising standards and target setting, the role of increased assessment in the generation of these problems may have been overlooked. The experiences of a number of schools in exploring a different approach to pupil assessment emphasising the development of a number of generic ‘life skills’ are explored and the effects on these two issues discussed. 相似文献
105.
Sofoklis Sotiriou Katherina Riviou Stephanos Cherouvis Eleni Chelioti Franz X. Bogner 《Journal of Science Education and Technology》2016,25(4):541-549
Education reform initiatives tend to promise higher effectiveness in classrooms especially when emphasis is given to e-learning and digital resources. Practical changes in classroom realities or school organization, however, are lacking. A major European initiative entitled Open Discovery Space (ODS) examined the challenge of modernizing school education via a large-scale implementation of an open-scale methodology in using technology-supported innovation. The present paper describes this innovation scheme which involved schools and teachers all over Europe, embedded technology-enhanced learning into wider school environments and provided training to teachers. Our implementation scheme consisted of three phases: (1) stimulating interest, (2) incorporating the innovation into school settings and (3) accelerating the implementation of the innovation. The scheme’s impact was monitored for a school year using five indicators: leadership and vision building, ICT in the curriculum, development of ICT culture, professional development support, and school resources and infrastructure. Based on about 400 schools, our study produced four results: (1) The growth in digital maturity was substantial, even for previously high scoring schools. This was even more important for indicators such as vision and leadership” and “professional development.” (2) The evolution of networking is presented graphically, showing the gradual growth of connections achieved. (3) These communities became core nodes, involving numerous teachers in sharing educational content and experiences: One out of three registered users (36 %) has shared his/her educational resources in at least one community. (4) Satisfaction scores ranged from 76 % (offer of useful support through teacher academies) to 87 % (good environment to exchange best practices). Initiatives such as ODS add substantial value to schools on a large scale. 相似文献
106.
Eleni Deliyianni Athanasios Gagatsis Iliada Elia Areti Panaoura 《International Journal of Science and Mathematics Education》2016,14(2):397-417
The aim of this study was to propose and validate a structural model in fraction and decimal number addition, which is founded primarily on a synthesis of major theoretical approaches in the field of representations in Mathematics and also on previous research on the learning of fractions and decimals. The study was conducted among 1701 primary and secondary school students. Eight components, which all involve representational transformations, were encompassed under the construct of representational flexibility in fraction and decimal number addition. This structure reveals that, for both concepts, the representational transformation competences of recognition and conversion, and therefore representational flexibility as well, were affected by the complexity of the concepts involved and the direction of the conversion, respectively. Results also showed that two first-order factors were needed to explain the problem-solving ability in fraction and decimal number addition, indicating the differential effect of the modes of representation that is diagrammatic and verbal form on problem-solving ability irrespective of the concepts involved, as in the case of the conversions. Representational flexibility and problem-solving ability were found to be major components of students’ representational thinking of fraction and decimal number addition. The proposed framework was invariant across the primary and secondary school students. Theoretical and practical implications are discussed. 相似文献
107.
This article presents the results of a research project that investigated the extent to which the use of the historical episode
of the Millikan-Ehrenhaft dispute over the existence of the elementary electric charge can improve students’ conceptions of
specific aspects of the Nature of Science (NOS). A teaching programme containing seven hourly teaching units was designed
and implemented. The teaching intervention was designed on the basis of an explicit form of teaching that was integrated into
the scientific content and through the use of short stories. Students’ conceptions of specific aspects of NOS were documented
in a questionnaire distributed before and after the class. The results showed that there was a significant statistical improvement
in students’ conceptions of the aspects of NOS that had been selected for teaching. 相似文献
108.
Professional development (PD) has been identified as a critical mechanism that helps teachers increase students' achievement. However, the content and form of this mechanism varies widely. This study examines an ongoing PD for school teachers, which has been explicitly founded on a set of guiding principles associated with quality professional development. The effects of participation in this program on three domains of teacher effectiveness, measured through classroom observations, are tested in a sample of 153 teachers. The domains of teacher effectiveness are planning and preparation, classroom environment, and instruction. Regression results indicate that participation in this program is significantly related to teachers' scores on instruction only. The implications of this finding indicate that high-quality professional development does not always address all domains of teaching. Other implications derived from the findings point to the need for professional development opportunities to be ongoing and highly focused on improving inquiry-based instruction. 相似文献
109.
Research Findings: Most infant teachers have been prepared to be early childhood educators with minimal theoretical or practical exposure to infancy. This study highlights the outcomes of a professional development program (PDP) designed to support a group of infant teachers who lacked specific infancy preparation to re-envision their roles. Data sources included videotapes, focus groups, conversational interviews, reflective journaling, and artifacts. A PDP, tailored to the needs of the teachers, was developed in process in response to the outcomes of each step of the study. Findings highlight how teachers’ existing beliefs inform current practice, teachers gain insight through new PDP strategies, and teachers’ reflections on routines contribute to effective practice. Practice or Policy: Our PDP provided opportunities for reflection and pedagogical challenges as a means of creating space for educators to build a more grounded infant teacher identity. Implications of these findings are discussed in relation to infant teacher preparation and in-service training. 相似文献
110.
Eleni Dimitrellou Philip Macmillan Brahm Norwich 《Journal of Research in Special Educational Needs》2023,23(1):12-23
School closures due to the COVID-19 pandemic uncovered the overriding need to create engaging online learning environments to facilitate students' learning. This paper focuses on the online evaluation of Own-Voice Intensive Phonics (OVIP) approach, a computer-assisted instruction programme used during the COVID restrictions to help 15 pupils aged 7–12 with reading difficulties improve their reading. Analysis of Single Word Reading pre-and-post-test revealed a 3.2-year mean word reading age gain over a 19- to 22-week period. Questionnaire data from pupils and parents and the end of OVIP session and parent-reported data at a one-year follow-up demonstrated an overall increase in pupil reading skills and self-confidence that transferred into wider confidence and engagement for some pupils. Findings indicate that OVIP might be an effective teacher-mediated programme in supporting pupils with reading difficulties to enhance their reading skills through online tutoring. Further research is necessary to compare teacher-mediated own voice approaches to unmediated programmes, using a larger sample. 相似文献