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91.
A growing body of research has examined the experiential grounding of scientific thought and the role of experiential intuitive knowledge in science learning. Meanwhile, research in cognitive linguistics has identified many conceptual metaphors (CMs), metaphorical mappings between abstract concepts and experiential source domains, implicit in everyday and scientific language. However, the contributions of CMs to scientific understanding and reasoning are still not clear. This study explores the roles that CMs play in scientific problem-solving through a detailed analysis of two physical chemistry PhD students solving problems on entropy. We report evidence in support of three claims: a range of CMs are used in problem-solving enabling flexible, experiential construals of abstract scientific concepts; CMs are coordinated with one another and other resources supporting the alignment of qualitative and quantitative reasoning; use of CMs grounds abstract reasoning in a “narrative” discourse incorporating conceptions of paths, agents, and movement. We conclude that CMs should be added to the set of intuitive resources others have suggested contribute to expertise in science. This proposal is consistent with two assumptions: that cognition is embodied and that internal cognitive structures and processes interact with semiotic systems. The implications of the findings for learning and instruction are discussed. 相似文献
92.
Robert Jensen 《传播与批判/文化研究》2013,10(1):80-88
This essay critiques the main responses to 9/11 by US intellectuals and analyzes how these reactions reinforced a determined ignorance of the consequences of US economic, foreign, and military policy and a further depoliticization of the culture in general. As a class, faculty have the resources—material and intellectual—to make a serious contribution to progressive political and social change in the world. They need to start putting those resources to work. 相似文献
93.
Andy J. King Jakob D. Jensen Nick Carcioppolo Melinda M. Krakow Ye Sun 《Mass Communication and Society》2013,16(6):753-775
Determining what factors predict media learning is an important avenue of research for the field of mass communication. The present study provides a comparative investigation of two models of media learning: the cognitive mediation model and the information utility model. Participants (N = 1,076) read a news article related to scientific discoveries relevant to cancer prevention and responded to all constructs of the two models. Recognition and comprehension were used to measure knowledge acquisition. Results generally support previous predictions of each model, though predicted variance remains small. In addition to testing the existing models, a modified cognitive mediation model using a key construct related to information utility—perceived relevance—was tested. The refined cognitive mediation model offered a more nuanced understanding of certain causal mechanisms but did not result in a meaningful change in predictive power of the model. Implications of the theoretical comparison and integration are discussed. 相似文献
94.
The Mormons for ERA is analyzed in this essay as an innovational movement. In this way, Sonia Johnson's appeals to mainstream Mormons before her excommunication can he understood as reformist discourse which became radicalized only in a second stage. 相似文献
95.
Niels Holmqvist Niels H. Secher Kåre Sander‐Jensen Ulrich Knigge J⊘rgen Warberg Thue W. Schwartz 《Journal of sports sciences》2013,31(2):123-128
Exhaustive exercise is associated with a persistent sensation of weakness and sometimes nausea suggesting abdominal vagal activity. We measured plasma indices of sympathoadrenal (adrenaline, noradrenaline, dopamine) and vagal (pancreatic polypeptide) activity before, during and after submaximal and maximal exercise in healthy young subjects. Plasma adrenaline, noradrenaline and dopamine increased to 8.5 (range 7.4–40.5), 48.0 (32.3–100.5) and 1.8 (1.2–6.6) nmol l–1 respectively (n = 5), during maximal exercise and decreased towards control values within 15 min of rest. Pancreatic polypeptide (n = 10) increased only during maximal exercise and reached its highest value, 48 (21–145) pmol l–1, after exertion. The results conform to an increase in sympathetic activity during exercise and a persistent vagal activity after intense exercise which could contribute to the sensation of weakness. 相似文献
96.
Bogi Bech Jensen Stig Högberg Frida av Fløtum Jensen Nenad Mijatovic 《European Journal of Engineering Education》2012,37(4):375-382
This paper describes a teaching method used in an electrical machines course, where the students learn about electrical machines by designing them. The aim of the course is not to teach design, albeit this is a side product, but rather to teach the fundamentals and the function of electrical machines through design. The teaching method is evaluated by a student questionnaire, designed to measure the quality and effectiveness of the teaching method. The results of the questionnaire conclusively show that this method labelled ‘learning through design’ is a very effective way of teaching a components-based course. This teaching method can easily be generalised and used in other courses. 相似文献
97.
98.
Peter Jensen 《Scandinavian Journal of Educational Research》2013,57(6):935-950
This study reviews the European evidence on the impact of professional development (PD) of pre-school educators on child outcomes. A meta-analysis investigates how PD of pre-school educators in formal pre-school centers in Europe affects child outcomes. The European studies are quite recent and limited in numbers, and our results show a significant positive effect of PD on child outcomes with an overall effect size of 0.35 (with a 95% confidence interval from 0.20 to 0.51). The magnitude is slightly smaller than corresponding results based on US studies, but indicates a general positive effect of PD on child outcomes. 相似文献
99.
This paper argues for the significance of Axel Honneth's theory of recognition for understanding recognition of prior learning (RPL). Case studies of the experiences of RPL by paraprofessional workers in health and social care in the UK and Sweden are used to explicate this significance. The results maintain that there are varying conditions of recognition. These conditions are often fluid, negotiable and ambivalent. However, RPL appears to support self-realisation and self-awareness, when it co-occurs with individual's identification with associated practices. Workplace salary, affordances for practice and collegial values may shape the esteem and thus the potential for self-realisation. RPL can thus help facilitate the development of a more positive relationship to individuals engaged in RPL processes, enhancing their learning and development. 相似文献
100.
Gale E. Jensen 《The Educational forum》2013,77(4):475-477