Apprentice or Student? The Structures of Construction Industry Vocational Education and Training in Denmark and Sweden and their Possible Consequences for Safety Learning     

Regine Grytnes  Martin Grill  Anders Pousette  Marianne Törner  Kent J. Nielsen 《Vocations and Learning》2018,11(1):65-87

There is a notable difference in occupational injury rates in the two Scandinavian countries, Sweden and Denmark, with the latter having a 40% higher rate of fatal occupational injuries in the construction industry. This study explored differences in the vocational education and training (VET) systems between Sweden and Denmark that may be important for students’ safety learning and practice during VET. In both countries, students participate in full-time education, and the curriculum includes school-based as well as company- based training. However, during company- based training Swedish students retain their student status, whereas Danish students are employed as apprentices. From a perspective of viewing safety as a social practice developed through interactions of different social and institutional bodies, the analysis points to this difference in employment status as important for their safety practices and also for the teachers’ position to influence safety learning and practices during company-based training. An analysis of interview and survey data focusing on how VET students enact safety ‘knowings’ across learning sites, suggest how different forms of connectivity models in VET promote various forms of safety learning among students.  相似文献   

Erratum to: Apprentice or Student? The Structures of Construction Industry Vocational Education and Training in Denmark and Sweden and their Possible Consequences for Safety Learning     

Regine Grytnes  Martin Grill  Anders Pousette  Marianne Törner  Kent J. Nielsen 《Vocations and Learning》2018,11(1):89-90

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Gender Fairness in Self-Efficacy? A Rasch-Based Validity Study of the General Academic Self-Efficacy Scale (GASE)     

T. Nielsen  J. Dammeyer  M. L. Vang  G. Makransky 《Scandinavian Journal of Educational Research》2018,62(5):664-681

Studies have reported gender differences in academic self-efficacy. However, how and if academic self-efficacy questionnaires are gender-biased has not been psychometrically investigated. The psychometric properties of a general version of The Physics Self-Efficacy Questionnaire – the General Academic Self-Efficacy Scale (GASE) – were analyzed using Rasch measurement models, with data from 1018 Danish university students (psychology and technical), focusing on gender invariance and the sufficiency of the score. The short 4-item GASE scale was found to be essentially objective and construct valid and satisfactorily reliable, though differential item functioning was found relative to gender and academic discipline, and can be used to assess students’ general academic self-efficacy. Research on gender and self-efficacy needs to take gender into account and equate scores appropriately for unbiased analysis within academic disciplines.  相似文献   

A Competence-Oriented Approach to Models and Modelling in Lower Secondary Science Education: Practices and Rationales Among Danish Teachers     

Nielsen  Sanne Schnell  Nielsen  Jan Alexis 《Research in Science Education》2019,51(2):565-593

A new science curriculum, with a significant emphasis on modelling, was recently adopted in Danish lower secondary education. The theoretical intentions behind the new curriculum include substantial changes to how teachers should address models and modelling in their practice. The purpose of this study is to analyse the alignment between the intentions and arguments for integrating models and modelling into science education, on the one hand, and teachers’ practices and rationales for integrating models and modelling into their teaching practice, on the other. First, this study outlines a theoretical competence-oriented modelling framework. This framework describes what kind of knowledge and practice of models and modelling needs to be integrated into teaching to accomplish a competence-oriented approach in this regard. Second, against the background of this framework, we conducted an empirical study of three teacher-teams’ talk about modelling and their practice of integrating models and modelling in their teaching. Our findings suggest that the participating teachers’ practices and rationales for integrating models and modelling into their teaching are characterised by a product-oriented approach that is not well aligned with competence-oriented teaching. Finally, we provide ideas for improving the alignment between theoretical intentions and teachers’ practice, targeted at science educators and curriculum designers.

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The making of scientific butter: injecting scientific reasoning into agriculture     

Nielsen AK 《Endeavour》2004,28(4):167-171

Both Danish and English agriculture underwent fundamental restructuring during the second half of the 19th century, and in both cases the dairy sector made great advances. However, the two agricultural industries differed in aims and strategies, and crucially in the extent to which new technologies and scientific methods were implemented. Economic historical analysis is insufficient to explain why the Danish and English dairy industries developed in different ways, and how Danish butter achieved success in the competitive English market. However, with a focus on the role of science and a scientific understanding of the development of these two dairy industries, all becomes clear.  相似文献   

On not being at sea about indoctrination—A response to thiessen     

Kai Nielsen 《Interchange》1984,15(4):68-73

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High intensity and reduced volume training attenuates stress and recovery levels in elite swimmers     

Anne-Marie Elbe  Camilla P. Rasmussen  Glen Nielsen  Nikolai B. Nordsborg 《European Journal of Sport Science》2016,16(3):344-349

This study investigated the effect of increased high-intensity interval training (HIT) at the expense of total training volume on the stress and recovery levels of elite swimmers. Forty-one elite swimmers participated in the study and were randomly assigned to either a HIT or a control group (CON). Eleven swimmers did not complete the questionnaires. For 12 weeks both groups trained ~12 h per week. The amount of HIT was ~5 h vs. 1 h, and total distance was ~17 km vs. ~35 km per week for HIT and CON, respectively. HIT was performed as 6–10 × 10–30 s maximal effort interspersed by 2–4 min of rest. The Recovery Stress Questionnaire – Sport was used to measure the swimmers’ stress and recovery levels. After the 12 week intervention, the general stress level was 16.6% (2.6–30.7%; mean and 95% CI) lower and the general recovery level was 6.5% (0.7–12.4%) higher in HIT compared to the CON, after adjusting for baseline values. No significant effects could be observed in sports-specific stress or sports-specific recovery. The results indicate that increasing training intensity and reducing training volume for 12 weeks can reduce general stress and increase general recovery levels in competitive swimmers.  相似文献   

Actovegin,a non-prohibited drug increases oxidative capacity in human skeletal muscle     

Stine D. Søndergård  Flemming Dela  Jørn W. Helge 《European Journal of Sport Science》2016,16(7):801-807

Actovegin, a deproteinized haemodialysate of calf blood, is suggested to have ergogenic properties, but this potential effect has never been investigated in human skeletal muscle. To investigate this purported ergogenic effect, we measured the mitochondrial respiratory capacity in permeabilized human skeletal muscle fibres acutely exposed to Actovegin in a low and in a high dose. We found that Actovegin, in the presence of complex I-linked substrates increased the oxidative phosphorylation (OXPHOS) capacity significantly in a concentration-dependent manner (19?±?3, 31?±?4 and 45?±?4?pmol/mg/s). Maximal OXPHOS capacity with complex I and II-linked substrate was increased when the fibres were exposed to the high dose of Actovegin (62?±?6 and 77?±?6?pmol/mg/s) (p?V_max and Km were also increased in a concentration-dependent manner after Actovegin exposure (70?±?6, 79?±?6 and 88?±?7?pmol/mg/s; 13?±?2, 25?±?3 and 37?±?4?pmol/mg/s; 0.08?±?0.02, 0.21?±?0.03 and 0.36?±?0.03?mM, respectively) (p?相似文献   

Stimulating faculty involvement in general education assessment     

Louis J. Rosso  Marilyn Stine Sarow 《Assessment Update》1994,6(2):4-4

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The Selfie Study: Archetypes and Motivations in Modern Self-Photography     

Steven Holiday  Matthew J. Lewis  Rachel Nielsen  Harper D Anderson  Maureen Elinzano 《Visual Communication Quarterly》2016,23(3):175-187

Photographic self-portraits have existed since the mid-19th century, but the emergence of digital photography and social media as tools that facilitate rapid visual communication have contributed to a surge of self-photographs, or selfies, and the practice has become a ubiquitous part of today's culture. This exploratory research employed a Q-method analysis to quantitatively and qualitatively identify what archetypal motivations exist among individuals who take and share selfies. The findings largely validated past scholarship on the uses and gratifications of photography, new media, and visual rhetoric individually, but also identified that the motivation to take and share selfies is a complex balance of preservation, communication, and entertainment for most individuals who engage in the practice.  相似文献