Where do you come from,where do you go? Assessing skills gaps and labour market outcomes for young adults with different immigration backgrounds     

《International Journal of Educational Development》2021

Using PISA and PIAAC data from twelve OECD countries, we examine the gap in cognitive skills among immigrants and natives and evaluate how those differences have evolved over time. We also consider how demographics, family background and school quality explain the development of cognitive skills of young people with immigrant backgrounds. The results show, first, that some convergence in skills occurs between second-generation immigrants and natives over time. Second, demographics, family background and school quality variables all contribute to the achievement gaps across different groups.  相似文献   

图书馆情报学主要研究方法:了解、选择及使用     

储荷婷 《图书情报工作》2019,63(1):146-152

[目的/意义]研究方法在学术研究中发挥着至关重要的作用。确认图书馆情报学领域主要的研究方法，并对它们进行了解熟悉，以在开展研究时能合理选择、灵活使用，确保研究质量。[方法/过程]对近2 000篇图书馆情报学领域的研究文献以及相关研究方法论文进行内容分析，在此基础上对研究方法的类分命名、图书馆情报学界主要的研究方法的确定、特点和使用注意事项进行介绍和讨论。[结果/结论]研究方法应以数据收集法而不是数据分析法命名。图书馆情报学领域常用的研究方法包括实验法、问卷法、理论研讨法、内容分析法、访谈法和书目计量法，每种方法都有各自的特点。因而在选择使用时，既应根据具体研究课题及研究方法之特性，也要考虑使用注意事项，并尽量在同一研究中采用两种或更多的方法，以扬长避短，更有效地展开研究。  相似文献   

Quality flaw prediction in Spanish Wikipedia: A case of study with verifiability flaws     

Edgardo Ferretti  Leticia Cagnina  Viviana Paiz  Sebastián Delle Donne  Rodrigo Zacagnini  Marcelo Errecalde 《Information processing & management》2018,54(6):1169-1181

In this work, we present the first quality flaw prediction study for articles containing the two most frequent verifiability flaws in Spanish Wikipedia: articles which do not cite any references or sources at all (denominated Unreferenced) and articles that need additional citations for verification (so-called Refimprove). Based on the underlying characteristics of each flaw, different state-of-the-art approaches were evaluated. For articles not citing any references, a well-established rule-based approach was evaluated and interesting findings show that some of them suffer from Refimprove flaw instead. Likewise, for articles that need additional citations for verification, the well-known PU learning and one-class classification approaches were evaluated. Besides, new methods were compared and a new feature was also proposed to model this latter flaw. The results showed that new methods such as under-bagged decision trees with sum or majority voting rules, biased-SVM, and centroid-based balanced SVM, perform best in comparison with the ones previously published.  相似文献   

Professional knowledge or motivation? Investigating the role of teachers’ expertise on the quality of technology-enhanced lesson plans     

《Learning and Instruction》2020

In an expertise study with 94 mathematics teachers varying in their relative teacher expertise (i.e., student teachers, trainee teachers, in-service teachers), we examined effects of teachers' professional knowledge and motivational beliefs on their ability to integrate technology within a lesson plan scenario. Therefore, we assessed teachers' professional knowledge (i.e., content knowledge, pedagogical content knowledge, technological knowledge), and their motivational beliefs (i.e., self-efficacy, utility-value). Furthermore, teachers were asked to develop a lesson plan for introducing the Pythagorean theorem to secondary students. Lesson plans by advanced teachers (i.e., trainee teachers, in-service teachers) comprised higher levels of instructional quality and technology exploitation than the ones of novice teachers (i.e., pre-service teachers). The effect of expertise was mediated by teachers' perceived utility-value of educational technology, but not by their professional knowledge. These findings suggest that teachers’ motivational beliefs play a crucial role for effectively applying technology in mathematics instruction.  相似文献   

高校扩招后体育教学质量下降的原因分析及对策   总被引：1，自引：0，他引：1  

彭业仁  陈慧娜 《浙江体育科学》2003,25(4):35-36,48

运用综合研究方法，对扩大招生后广西10所高校体育教学情况进行了问卷调查，并对调查结果进行相关分析。发现影响体育教学质量的主要因素为运动场地、设施；师资力量；生源质量；教学管理水平。提出：加大体育经费投入，改善运动场地、设施；加强体育师资的建设与管理；因材施教，实施学分制；提高体育教学的管理水平。制定科学的教学质量评估体系，是稳定和提高体育教学质量的重要举措。  相似文献   

阿克洛夫模型与图书馆馆员素质建设   总被引：3，自引：0，他引：3  

贾晓彦 《大学图书情报学刊》2003,21(2):40-41

为适应信息社会的需要，馆员素质建设不容忽视。章以图书馆馆员素质之间的差异为前提，通过应用阿克洛夫模型对图书馆人员素质低下及人才流失的现象进行分析，提出加强馆员素质建设的方法。  相似文献   

普通高校体育课编班教学改革实验研究     

曹莉娟 《体育科技》2003,24(3):66-70

体育课教学是高等学校体育工作的核心。教学质量的好坏直接影响学生的体质。但是 ,现行的班级体育授课制仍然是沿袭以智力、高考分数为核心 ,方便文化课教学的编班制进行体育课教学 ,这无疑影响学生体质的发展和终身体育思想的形成 ,而且给体育课教学带来许多困难。因此 ,从发展学生体质和培养终身锻炼习惯的实际需要出发 ,打破单纯按智力、分数的分班制是当前高校体育教学工作中亟待解决的问题。  相似文献   

充分利用地方资源服务人文素质教育     

吴淑华 《大学图书情报学刊》2003,21(3):70-71,87

文章论述高校图书馆利用地方资源服务人文素质教育的可行性及重要意义，井探讨了服务原则和服务内容。  相似文献   

大学生体质健康状况发展变化规律的研究   总被引：8，自引：0，他引：8  

魏锦龙  马莉  李世荣 《西安体育学院学报》2003,20(5):42-43

采用文献研究法、调查研究法和数理统计法等,对延安大学98年入校的本科学生的身体形态、机能、身体素质进行了4年追踪研究,得出延安大学学生在校期间体质健康状况发展变化的特点、规律、趋势及存在的差异和原因,并针对存在的问题提出了改进措施与建议。  相似文献   

素质教育的实施与推进     

黄杰 《苏州市职业大学学报》2003,14(3):95-96

素质教育是着眼于提高人的内在素质和品质，强调知识“内化”和身心发展的教育现。全面实行与推进素质教育的重点是培养学生的创新精神与实践能力，它对于培养适应21世纪创新人才与我国社会主义经济发展第三步战略决定的实现，有着重大深远的意义。  相似文献