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Soares, Ricardo; de Mello, Márcia Cristina Santiago; da Silva, Cleyton M.; Machado, Wilson; Arbilla, Graciela – Journal of Chemical Education, 2020
Thirty-six days after the beginning of the 2020 school year in Brazil, the Rio de Janeiro state education system began an unprecedented disruptive period due to the COVID-19 crisis, which abruptly affected general educational activities, particularly chemistry teaching. An adaptation to a new paradigm of remote teaching and massive use of online…
Descriptors: Foreign Countries, Science Instruction, Chemistry, COVID-19
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Suárez, H. J. Herrera; Machado-Higuera, M.; Muñoz, J. H. – Physics Education, 2020
In this paper, the dynamic case of a system made up of two blocks connected by a string over a smooth pulley is revisited. One mass lies on a horizontal surface without friction, and the other mass has a vertical displacement. The motion equation is obtained and its solution is determined using the "Mathematica" package. Also an…
Descriptors: Science Instruction, Mechanics (Physics), Scientific Concepts, Educational Technology
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de Oliveira, Manoela Ziebell; de Andrade, Alexsandro Luiz; Beria, Francielle Machado; Gomes, William Barbosa – International Journal for Educational and Vocational Guidance, 2019
Studies indicate that the costs resulting from voluntary turnover range from 93 to 200% of the annual salary for a single position, besides intangible losses for teams and individuals. The present study tested an explanatory model of turnover intention and a predictive model of voluntary turnover behavior among Brazilian employees. Participants…
Descriptors: Foreign Countries, Employee Attitudes, Labor Turnover, Intention
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de Klerk, E. D.; Palmer, J. M. – Perspectives in Education, 2021
Worldwide, COVID-19 has affected the most deprived communities the hardest and exposed many systemic inequalities, leaving nations vulnerable and destitute. The need for quality education, while heeding to international mandates, including enacting the sustainable development goals (SDG), has become more apparent in promoting equitable and…
Descriptors: Educational Change, COVID-19, Pandemics, Equal Education
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Ribeiro, Williams J. M.; de Sousa, J. Ricardo – Physics Teacher, 2021
During elementary physics courses, many examples in mechanics are studied without considering air resistance effects. We can mention, for example, projectile motion and free fall, among many others. Only brief studies of such systems in classical mechanics courses consider linear air resistance (F[subscript drag] [is proportional to] v), which is…
Descriptors: Mechanics (Physics), Motion, Scientific Concepts, Introductory Courses
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Silva, V.; Campos, C.; Sá, A.; Cavadas, M.; Pinto, J.; Simões, P.; Machado, S.; Murillo-Rodríguez, E.; Barbosa-Rocha, N. – Journal of Intellectual Disability Research, 2017
Background: People with Down syndrome (DS) usually display reduced physical fitness (aerobic capacity, muscle strength and abnormal body composition), motor proficiency impairments (balance and postural control) and physical functional limitations. Exergames can be an appealing alternative to enhance exercise engagement and compliance, whilst…
Descriptors: Down Syndrome, Intellectual Disability, Physical Fitness, Muscular Strength
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Pols, C. F. J.; Dekkers, P. J. J. M.; de Vries, M. J. – International Journal of Science Education, 2021
This paper explores students' ability to analyse and interpret empirical data as inadequate data analysis skills and understandings may contribute to the renowned disappointing outcomes of practical work in secondary school physics. Selected competences, derived from a collection of leading curricula, are explored through interviews and practical…
Descriptors: Science Instruction, Secondary School Science, Inquiry, Science Process Skills
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Machado-Rodrigues, Aristides M.; Coelho e Silva, Manuel J.; Ribeiro, Luís P.; Fernandes, Romulo; Mota, Jorge; Malina, Robert M. – Journal of School Health, 2016
Background: Research on relationships between lifestyle behaviors and adiposity in school youth is potentially important for identifying subgroups at risk. This study evaluates the associations between waist circumference (WC) and objective measures of sedentary behavior (SB) in a sample of rural school adolescents. Methods: The sample included…
Descriptors: Adolescents, Rural Schools, Body Composition, Physical Activity Level
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Klafke, Renata; De Oliveira, M. C. V.; Ferreira, J. M. – Journal of Education, 2020
In Brazil, like in most Latin America countries, the educational system is basically composed of private and public education institutions. Public universities depend almost exclusively on tuition fees paid by the students. Public professors are insolvent, and very rarely provided with the resources they desperately need, whereas private…
Descriptors: Public Colleges, Private Colleges, College Faculty, Student Attitudes
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de Mooij, Susanne M. M.; Raijmakers, Maartje E. J.; Dumontheil, Iroise; Kirkham, Natasha Z.; van de Maas, Han L. J. – Journal of Computer Assisted Learning, 2021
While response time and accuracy indicate overall performance, their value in uncovering cognitive processes, underlying learning, is limited. A promising online measure, designed to track decision-making, is computer mouse tracking, where mouse attraction towards different locations may reflect the consideration of alternative response options.…
Descriptors: Error Patterns, Identification, Computer Peripherals, Computer Uses in Education
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Looijenga, Annemarie; Klapwijk, Remke M.; de Vries, Marc J. – Design and Technology Education, 2020
During a Design and Technology class, engagement is both required to start creative hands-on work and a sign of pupil's creative thinking. To find ways to achieve engagement, we can look to the Montessori tradition. Due to the fact that learning is regarded as feeding insight through experimenting, tasks have to offer pupils the opportunity to…
Descriptors: Learner Engagement, Elementary School Students, Preadolescents, Technology Education
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de Boer, Eveline; Janssen, Fred J. J. M.; van Driel, Jan H.; Dam, Michiel – Research in Science Education, 2021
In biological research, generic questions that are derived from perspectives (ways of looking at and thinking about life processes) help in generating specific questions. In this study, we used perspective-based generic questions as scaffolds to support student teachers in increasing the quality and quantity of their questions about biological…
Descriptors: Biology, Science Teachers, Science Instruction, Teaching Methods
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Arranz, N.; Arroyabe, M. F.; Fdez. de Arroyabe, J. C. – Studies in Higher Education, 2019
This paper studies entrepreneurial intentions in undergraduate students and the obstacles perceived by the students in the process of starting their own business. Using a sample of 1053 undergraduate students from Andalusia universities, this study explores attitudes, capacities and social environment to determine the profile of university's…
Descriptors: Entrepreneurship, Undergraduate Students, Barriers, Student Attitudes
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Deprez, T.; Gijsen, S. E.; Deprez, J.; De Cock, M. – Physical Review Physics Education Research, 2019
We investigated the influence of context on students' understanding of cross products of vectors using three isomorphic multiple-choice tests asking for the direction of a cross product in different geometrical settings. One version of the test involved the Lorentz force, the second version involved the torque on an electric dipole, and the third…
Descriptors: Foreign Countries, Premedical Students, Student Evaluation, Science Tests
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Kuijpers, J. M.; Houtveen, A. A. M.; van de Grift, W. J. C. M. – Educational Studies, 2019
At a time when much attention is being paid to teachers' effectiveness, there is little regard for the effectiveness of their professional support. Although professional development facilitators are frequently involved in school improvement projects, little is known about the interventions they should carry out and the effectiveness of these…
Descriptors: Professional Development, Educational Improvement, Teacher Improvement, Teacher Effectiveness
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