Contexts of teaching and professional learning     

Maria Assunção Flores 《Teachers and Teaching》2016,22(2):127-130

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Is accreditation ‘on the right track’? The views of Portuguese academics     

Rosa  Maria João  Cardoso  Sónia  Videira  Pedro 《Tertiary Education and Management》2020,26(2):185-197

In many countries, quality assurance systems rely on study programme accreditation. As with all quality assurance mechanisms, accreditation should also be continuously improved in order to maintain its relevance as a promoter of study programme quality. A way to move accreditation forward is by taking into account academics’ views, interests and needs about the process, since their support for it is paramount for its success and effectiveness. This paper analyses Portuguese academics’ knowledge and views on accreditation with the aim of understanding if the process is being supported and is on the right route for being effective. It is based on the analysis of 1484 academics’ answers to a questionnaire distributed in 16 higher education institutions. This analysis reveals a moderately positive attitude of academics towards accreditation, reflected in an only moderate knowledge of the process as well as in a mild agreement with its characteristics and implementation features. This suggests that there is room for improvement to bring this quality assurance mechanism closer to academics’ expectations and needs and therefore to improve accreditation’s effectiveness.

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Interaction between cells in dielectrophoresis and electrorotation experiments     

Miguel Sancho  Genoveva Martínez  Sagrario Mu?oz  José L. Sebastián  Ronald Pethig 《Biomicrofluidics》2010,4(2)

Progress in microelectrode-based technologies has facilitated the development of sophisticated methods for manipulating and separating cells, bacteria, and other bioparticles. For many of these various applications, the theoretical modeling of the electrical response of compartmentalized particles to an external field is important. In this paper we address the analysis of the interaction between cells immersed in rf fields. We use an integral formulation of the problem derived from a consideration of the charge densities induced at the interfaces of the particle compartments. The numerical solution by a boundary element technique allows characterization of their dielectric properties. Experimental validation of this theoretical model is obtained by investigating two effects: (1) The influence that dipolar “pearl chaining” has on the dielectrophoretic behavior of human T lymphocytes and (2) the frequency variation of the spin and orbital torques of approaching insulinoma β-cells in a rotating field.  相似文献   

Gaia Theory in Brazilian High School Biology Textbooks     

Ricardo Santos Do Carmo  Nei Freitas Nunes-Neto  Charbel Niño El-Hani 《Science & Education》2009,18(3-4):469-501

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Hierarchical Models of Social Competence in Preschool Children: A Multisite,Multinational Study     

Brian E. Vaughn  Nana Shin  Mina Kim  Gabrielle Coppola  Lisa Krzysik  António J. Santos  Inês Peceguina  João R. Daniel  Manuela Veríssimo  Anthon DeVries  Eric Elphick  Xiomara Ballentina  Kelly K. Bost  Wanda Y. Newell  Ellaine B. Miller  J. Blake Snider  Byran Korth 《Child development》2009,80(6):1775-1796

The generality of a multilevel factorial model of social competence (SC) for preschool children was tested in a 5‐group, multinational sample (N = 1,540) using confirmatory factor analysis. The model fits the observed data well, and tests constraining paths for measured variables to their respective first‐order factors across samples also fit well. Equivalence of measurement models was found at sample and sex within‐sample levels but not for age within sample. In 2 groups, teachers’ ratings were examined as correlates of SC indicators. Composites of SC indicators were significantly associated with both positive and negative child attributes from the teachers’ ratings. The findings contribute to understanding of both methodological and substantive issues concerning SC in young children.  相似文献   

An investigation of mathematics anxiety among sixth through eighth grade students in Turkey     

Osman Birgin  Mustafa Baloğlu  Hakan Çatlıoğlu  Ramazan Gürbüz 《Learning and individual differences》2010,20(6):654-658

The purpose of the present study is to investigate mathematics anxiety among 220 sixth through eighth grade Turkish students in terms of mathematics achievement levels, perceived enjoyment of the mathematics teaching method, perceived enjoyment of mathematics, and perceived help with mathematics from parents. The Mathematics Anxiety Scale for Primary School Students (Bindak, 2005) was used to assess the levels of mathematics anxiety. A 3 × 2 factorial analysis of variance results showed that there was not a significant interaction effect or main effect of gender; however, there was a significant main effect of grade level. Standard multiple regression analyses show that independent variables accounted for 63% to 70% of variability in the dependent variable. The results also indicate that not only the perceived enjoyment of mathematics, but also the enjoyment of the mathematics teaching method and help with mathematics from parents had a significant effect on mathematics anxiety.  相似文献   

Integrating Free Computer Software in Chemistry and Biochemistry Instruction: An International Collaboration     

David L. Cede?o  Marjorie A. Jones  Jon A. Friesen  Mark W. Wirtz  Luz Amalia Ríos  Gonzalo Taborda Ocampo 《Journal of Science Education and Technology》2010,19(5):434-437

At the Universidad de Caldas, Manizales, Colombia, we used their new computer facilities to introduce chemistry graduate students to biochemical database mining and quantum chemistry calculations using freeware. These hands-on workshops allowed the students a strong introduction to easily accessible software and how to use this software to begin to explore computer modeling. Each workshop was scheduled for 2 h and each included a tutorial exercise to familiarize the students with the main menus and features of the software. In addition, accompanying lectures and practical laboratory sections were provided. Both courses were taught in Spanish although the written instructions were in English. This was not a problem since these students have a comfort level with reading English. Student feedback following these workshops was highly enthusiastic and positive. This international collaborative will impact both the teaching and research goals for this cohort of graduate students.  相似文献   

Educational pluralism and freedom of religion: recent decisions of the European Court of Human Rights     

Eugenia Relaño 《British Journal of Religious Education》2010,32(1):19-29

This paper addresses the sensitive issue of the teaching of religions and beliefs in schools by analysing two recent decisions of the European Court of Human Rights. In these cases, the Court asserts that students should be exempted from compulsory courses on religion or from courses that are not conveyed in an objective, critical and pluralist manner in order to protect the rights of parents to raise their children in accordance with their beliefs and to protect the child’s religious freedom. What emerges from both decisions are sound principles about how to implement and teach these kind of courses without violating the freedom of religion and belief or undermining the state competences on education.  相似文献   

Acute kinematics changes in marathon runners using different footwear     

Tania Socorro Amorim Soares  Federico Pizzuto  Rui Manuel Garganta  João Paulo Vila-Boas  Mario Casimiro da Anunciação Paiva 《Journal of sports sciences》2018,36(7):766-770

The effects of running with or without shoes on injury prevention have been extensively studied, and several investigations have assessed biomechanical differences between them. However, findings are not consensual and further insights on biomechanical load associated with differently shod or barefoot conditions may be needed. This study aimed to observe if habitually shod marathon runners show acute alterations when running barefoot or with minimalist shoes, and to determine whether the running kinematical adaptations of wearing minimalist shoes were similar to barefoot running. Twelve male marathon runners ran on the treadmill at their average marathon pace in different footwear conditions: habitual running shoes, minimalist shoes, and barefoot. High-resolution infrared cameras and visual 3D software were used to assess kinematic data. The following parameters were studied: foot strike angle, cycle time, stance time, normalized stride length, hip, knee, and ankle angular position at initial contact, and their respective range-of-motion (ROM) during stance phase. Contrary to the expectations, it was found that highly trained habitually shod elite marathon runners changed their lower limb kinematic pattern both when running barefoot or wearing minimalist shoes. Minimalist shoes showed a trend towards intermediate biomechanical effects between running with and without shoes.  相似文献   

Ethics of social networks for special needs users     

Caroline Rizza  Ângela Guimarães Pereira 《Ethics and Information Technology》2013,15(4):249-251

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