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51.
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Pedro Silva Jorge Mota Dale Esliger Gregory Welk 《Measurement in physical education and exercise science》2013,17(2):79-91
The purpose of this study was to determine the reliability of the Actigraph GT1M (Pensacola, FL, USA) accelerometer activity count and step functions. Fifty GT1M accelerometers were initialized to collect simultaneous acceleration counts and steps data using 15-sec epochs. All reliability testing was completed using a mechanical shaker plate to perform six different test conditions in Experiment 1 and 18 test conditions in Experiment 2. The overall intra- and inter-instrument reliability of the GT1M was CVintra = 2.9% and CVinter = 3.5% for counts and CVintra = 1.1% and CVinter = 1.2% for steps. No batch effects were evident in the 50 GT1Ms. The Actigraph GT1M accelerometer demonstrated good reliability for measuring both counts and steps. However, the ability of the GT1M to consistently detect acceleration at a given acceleration and frequency condition varied widely. Future studies clarifying the filtering limitations and the threshold necessary to detect the occurrence of movement are warranted. 相似文献
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Patrícia Silva Betina Lopes Marco Costa Dina Seabra Ana I. Melo Elisabeth Brito Gonçalo Paiva Dias 《Higher Education》2016,72(6):703-721
This article aims to shed light on the current debate regarding the role of internships in higher education in graduates’ employability. In specific, it analyses empirical data on a large-scale study of Portuguese first-cycle study programmes, in order to explore indicators of the professional value of internships in the employability of higher education graduates. Results demonstrate that study programmes that include internships tend to significantly enhance graduates’ employability, particularly within the universe of polytechnic and public higher education institutions. Besides the instrumental value of internships, the impact of the nature and structure of the internship on the percentage of unemployed graduates are also discussed. Mandatory internships and the inclusion of multiple, shorter internships throughout the degree are negatively associated with unemployment levels. Results indicate work-based learning can be used as a successful strategy to bridge theoretical knowledge and practice and enhance graduate employability. These findings provide important insights for the evaluation and/or the design of internship programmes in higher education. 相似文献
55.
Elaine Silva Mangiante 《Research in Science Education》2018,48(1):207-232
The intent of national efforts to frame science education standards is to promote students’ development of scientific practices and conceptual understanding for their future role as scientifically literate citizens (NRC 2012). A guiding principle of science education reform is that all students receive equitable opportunities to engage in rigorous science learning. Yet, implementation of science education reform depends on teachers’ instructional decisions. In urban schools serving students primarily from poor, diverse communities, teachers typically face obstacles in providing reform-based science due to limited resources and accountability pressures, as well as a culture of teacher-directed pedagogy, and deficit views of students. The purpose of this qualitative research was to study two white, fourth grade teachers from high-poverty urban schools, who were identified as transforming their science teaching and to investigate how their beliefs, knowledge bases, and resources shaped their planning for reform-based science. Using the Shavelson and Stern’s decision model for teacher planning to analyze evidence gathered from interviews, documents, planning meetings, and lesson observations, the findings indicated their planning for scientific practices was influenced by the type and extent of professional development each received, each teacher’s beliefs about their students and their background, and the mission and learning environment each teacher envisioned for the reform to serve their students. The results provided specific insights into factors that impacted their planning in high-poverty urban schools and indicated considerations for those in similar contexts to promote teachers’ planning for equitable science learning opportunities by all students. 相似文献
56.
Vanessa Carvalho dos Santos Leyla Mariane Joaquim Charbel Ni?o El-Hani 《Science & Education》2012,21(4):543-578
A major source of difficulties in promoting students’ understanding of genetics lies in the presentation of gene concepts
and models in an inconsistent and largely ahistorical manner, merely amalgamated in hybrid views, as if they constituted linear
developments, instead of being built for different purposes and employed in specific contexts. In this paper, we report the
results of a study about how textbooks can provide the grounds for the students’ construction of such hybrid views about genes.
These views are a key problem in genetics teaching, because they make it more difficult that students properly understand
this central biological concept and strengthen genetic deterministic ideas, which characterize a widespread discourse about
genes in the public opinion. We analyzed 18 textbooks using categorical content analysis, employing categories derived from
the literature addressing the historical development of gene models and concepts. Our findings indicate that the analyzed
textbooks do convey hybrid views about genes, with no correspondence to scientific models related to this biological concept.
These views reinforce genetic deterministic discourses and may lead students to serious misunderstandings about the nature
of genes and their role in living systems, with consequences to future learning about genetics. 相似文献
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José Gonçalves Gondra Carlos Eduardo Vieira Regina Helena Silva Simões Claudia Engler Cury 《Paedagogica Historica: International Journal of the History of Education》2014,50(6):822-829
This article analyses the general characteristics of the construction of the field of history of education in Brazil. To do so, it highlights the existing historiography and aims to describe the process of institutionalisation of this knowledge field, which, in general terms, has been focused on the area of teacher training. Since the nineteenth century, however, it has also been possible to identify systematic historiographical efforts in Brazil that are not directly related to the school system, but rather to the teaching of and research into the history of education within Brazilian universities. The article addresses the organisation of the field, the ways in which it has been structured and the strategies of academic legitimisation employed to achieve this. These include the regular production of dissertations and doctoral theses, the publication of books and journals, academic events and the creation of research groups and scientific associations, through which research findings have found national and international circulation. This set of indicators creates conditions for an understanding of the expansion and reconfiguration of the field of history of education that began in the 1980s, as well as of the challenges this phenomenon presents to current historiography and teacher training in Brazil. 相似文献
59.
Jessica Crowe Ryan Ceresola Tony Silva 《Assessment & Evaluation in Higher Education》2014,39(6):759-775
By using a quasi-experimental design, in this study, we test the effect of undergraduate teaching assistants on student learning. Data were collected from 170 students enrolled in four sections of a quantitative research methods course, two sections without undergraduate teaching assistants and two sections with undergraduate teaching assistants, over two semesters. Results indicate that having undergraduate teaching assistants in the classroom can result in higher student performance. Students in the sections with undergraduate teaching assistants earned higher grades, were more likely to pass the course with a C or higher and performed better on half of the student learning outcomes than students in the sections without an undergraduate teaching assistant. Based on the overwhelmingly positive results on student learning, we would recommend the active use of undergraduate teaching assistants in the classroom, but especially for courses that students find challenging. 相似文献
60.
This paper presents the views of students, from a range of schools and disciplines, on the effectiveness of current assessment feedback practices at Flinders University. We also report on a workshop on feedback with teachers. Overall, individual written comments were found to be the most useful form of feedback. However, there was significant variation with the level of satisfaction with feedback and the relative usefulness of different forms of feedback across the different schools and disciplines. This research suggests both the need to improve the effectiveness of such feedback and to tailor the forms of feedback offered to students according to the distinctive teaching and learning environments in different schools and disciplines. To that end, innovation and further research on feedback are justified, and some suggestions are offered. 相似文献