Identifying Science Understanding for Functional Scientific Literacy     

Edgar W. Jenkins 《Studies in Science Education》2013,49(1):1-25

Students' questions play an important role in meaningful learning and scientific inquiry. They are a potential resource for both teaching and learning science. Despite the capacity of students' questions for enhancing learning, much of this potential still remains untapped. The purpose of this paper, therefore, is to examine and review the existing research on students' questions and to explore ways of advancing future work into this area. The paper begins by highlighting the importance and role of students' questions from the perspectives of both the learner and the teacher. It then reviews the empirical research on students' questions, with a focus on four areas: (1) the nature and types of these questions; (2) the effects of teaching students questioning skills; (3) the relationship between students' questions and selected variables; and (4) teachers' responses to, and students' perceptions of, students' questions. Following this, some issues and implications of students' questions for classroom instruction are discussed. The paper concludes by suggesting several areas for future research that have significant value for student learning.  相似文献   

Is a European vision for science education research a chimera?     

Edgar Jenkins 《Studies in Science Education》2013,49(2):265-272

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Reforming school science education: a commentary on selected reports and policy documents     

Edgar W. Jenkins 《Studies in Science Education》2013,49(1):65-92

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French Connections     

Edgar Jenkins 《Studies in Science Education》2013,49(1):130-134

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硕果和玫瑰     

埃德加·阿尔贝特·格斯特  高素菊 《海外英语》2009,(9):49-49

要想有个美丽花园, 面积大小姑且不管, 若要园中长满鲜花, 务必要把汗水挥洒。  相似文献   

Application of automated image analysis to the identification and extraction of recyclable plastic bottles     

Edgar Scavino  Dzuraidah Abdul Wahab  Aini Hussain  Hassan Basri  Mohd Marzuki Mustafa 《浙江大学学报(A卷英文版)》2009,10(6):794-799

An experimental machine vision apparatus was used to identify and extract recyclable plastic bottles out of a conveyor belt. Color images were taken with a commercially available Webcam, and the recognition was performed by our homemade software, based on the shape and dimensions of object images. The software was able to manage multiple bottles in a single image and was additionally extended to cases involving touching bottles. The identification was fulfilled by comparing the set of measured features with an existing database and meanwhile integrating various recognition techniques such as minimum distance in the feature space, self-organized maps, and neural networks. The recognition system was tested on a set of 50 different bottles and provided so far an accuracy of about 97% on bottle identification. The extraction of the bottles was performed by means of a pneumatic arm, which was activated according to the plastic type; polyethylene-terephthalate （PET） bottles were left on the conveyor belt, while non-PET bottles were extracted. The software was designed to provide the best compromise between reliability and speed for real-time applications in view of the commercialization of the system at existing recycling plants.  相似文献   

HPT and business process management     

Robert Edgar 《Performance Improvement》2004,43(2):14-17

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Creating a very large e‐learning library within a very short timeframe     

Robert Edgar 《Performance Improvement》2001,40(2):35-40

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Getting in the game and getting on the move: family,the intergenerational contract and internal migration into football academies in Ghana     

Nienke van der Meij 《Sport in Society》2017,20(11):1580-1595

This article examines how young Ghanaian football players and their families actively engage with the processes and decision-making that lead them to migrate internally to academies. In particular, it explores whether moving to an academy is understood within the family setting as a precursor to international migration and as such, might feature as part of a broader household livelihood strategy. Drawing on empirical data collected during nine months of ethnographic fieldwork in Ghana, the article sheds light on the experiences of players who encounter the recruitment processes employed by academies and how these are shaped and informed by Ghanaian family arrangements and in particular the social norm of intergenerational reciprocity. By uncovering these wider dynamics, this study challenges the popular assumption that African youth and their family members unambiguously view academies as vehicles for international migration and future prosperity.  相似文献   

A tabulation of the aluminum silicate minerals     

Edgar T. Wherry 《Journal of The Franklin Institute》1926,201(4):507-508

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