克服中学生四种心理障碍提高政治课的讨论质量

讨论,是实施政治课教学的一个重要环节,是促进教学目的实现的有效手段,也是学生自我教育的一种好形式.讨论要求教师在教学中要引导学生克服从众心理、随意心理、逆反心理、回避心理四种心理障碍,这样讨论的质量才能得到提高.     

Beyond Access: Psychosocial Barriers to Computer Literacy

Research consistently indicates that Latinos and African-Americans are less likely to own and use computers than either Caucasians or Asians. While conventional wisdom holds that high computer costs and lack of access are the primary reasons for this discrepancy, my ethnographic research with 100 low-income adults reveals three non-cost-related psychosocial obstacles that significantly undermine motivation for acquiring computer skills: “relevance,” “fear,” and “self-concept.” My research thus suggests that a more complex relationship exists between ethnicity, identity, and attitudes associated with computers than previously examined; this relationship may better explain why some people are choosing not to use computers at this time. My research also indicates that while community technology centers (CTCs) play an important role in helping adults overcome their resistances and achieve computer literacy, they are presently an underutilized resource—less than 5% of San Diegans use them to meet their computing needs. Hence, my research also questions why more residents do not avail themselves of these community resources. I conclude that efforts to increase computer literacy in underserved communities must go beyond physical access and connectivity and consider the role of cultural factors.     

One size fits all?: Towards a differentiated regional innovation policy approach

Innovation has moved to the foreground in regional policy in the last decade. Concrete policies were shaped by “best practice models” derived from high-tech areas and well performing regions. These are often applied in a similar way across many types of regions. Here an attempt is made to show that there is no “ideal model” for innovation policy as innovation activities differ strongly between central, peripheral and old industrial areas. In this paper we analyse different types of regions with respect to their preconditions for innovation, networking and innovation barriers. Based on this classification different policy options and strategies are developed.     

贸易技术壁垒的博弈分析

本文明确提出最小质量标准(MQS)可以作为贸易技术壁垒(TBT)来考虑，因为贸易技术壁垒的实质就是设定一个高于进口产品质量的标准，以阻碍进入。在此前提下，本文首先考虑了在一个开放的经济体中．企业的利润及社会福利随MQS的变化情况。其次，对开放和封闭经济体中的MQS作了比较。结果表明，输入国政府设定最小质量标准，会使得生产低质量产品的进入企业利润增加，生产高质量产品的在位企业利润减少．但输入国消费者剩余提高，且消费者剩余的增加幅度要大于本国企业利润的减少，因此社会福利增加，输入国政府有动机设定最小质量标准。     

浅谈如何消除英语学习中的情感障碍

研究了情感障碍的主要表现方面.并探讨了消除英语学习中的情感障碍的方法.尊重学生,公平地对待每一名学生并创造轻松的英语学习环境.     

Explanations of attitudes to change: Colombian mathematics teachers’ conceptions of the crucial determinants of their teaching practices of beginning algebra

This article arises from a study whose overall purpose was to investigate the relationship between Colombian mathematics teachers’ conceptions of beginning algebra and their conceptions of their own teaching practices. The teachers’ understandings of their teaching practices were explored with a view to unravelling their conceptions of change in their teaching. Focusing on the perspectives of teachers afforded opportunities that exposed the powerful role that the teachers’ conceptions of social/institutional factors of teaching played in their conceptions of their practices. The degree to which the teachers attributed these (external) factors as crucial reasons for what they do in their teaching was the basis of a categorisation of their conceptions of the crucial determinants of their teaching practices into three types. The findings are particularly relevant to our understanding of the stability of mathematics teaching approaches in the Colombian context but have likely implications for a range of international education contexts. Specific implications for the development of the research into teachers’ conceptions of mathematics and its teaching, and for teacher education programmes are presented.

试论环保执法的现实障碍及其法律对策

我国环保执法的现实障碍主要表现在以下几个方面:思想观念的滞后性;环保立法不能完全适应环保执法的现实要求;环保部门的执法权限尚嫌不足,执法手段不够充分;环保执法的民主性和透明度不够;监督机制不强。对此,提出了加强环保法制建设和提高环保执法能力的对策。     

美国高校教师入职门槛及启示

教师的优劣被认为直接影响到孩子的学业成功与否。美国十分重视教师的聘用与选拔。文章拟从美国高校教师的入职要求,教育专业博士课程的设置,以及高校教师的入职培训等来看美国高校教师的入职门槛,以期为我国高校教师的选拔与培养提供借鉴。     

Demystifying blockchain: A critical analysis of challenges,applications and opportunities

The blockchain is considered to be the potential driver of the digital economy. The Blockchain technology outweighs the challenges associated with the traditional transaction business governed and regulated by the third trusted party. There is a growth in the interest among the researchers, the industry, and the academia to study and leverage the potential of Blockchain. Blockchain provides a decentralized and distributed public ledger for all the participating parties. Though it seems that blockchain is a viable choice and solution for all the centralized governed and regulated transactions (in digital online space), it has potential challenges that need to be resolved; opportunities to be explored, and applications to be studied. This paper utilizes a systematic literature review to study several research endeavors made in the domain of blockchain. To further research on blockchain adoption, the paper theoretically constructs an integrated framework of the blockchain innovation adoption process in an organization considering organizational and user acceptance perspectives. This would facilitate its widespread adoption, thereby achieving sustained leadership solutions. The paper offers 23 propositions to information systems (IS)/information management (IM) scholars with respect to innovation characteristics, organizational characteristics, environmental characteristics, and user acceptance characteristics. Further, the paper explores several areas of future research and directions that can provide deep insights for overcoming challenges and for the adoption of blockchain technology.