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71.
近年来,高校教育信息化建设的进一步深入,促使社会各界特别是高校越来越关注在信息化环境中教师的教学能力和教学有效性。本文集中探讨了信息化环境中有效教学的内涵、根本标准以及实现高校有效教学的相关策略,以期促进高校教学质量的提高。 相似文献
72.
Ewout A. Timmerman Geert J. P. Savelsbergh Damian Farrow 《Research quarterly for exercise and sport》2019,90(2):180-189
Purpose: The purpose of this study was to determine the influence of eight different small-sided games (SSG) on physical, technical, and decision-making demands of training environments in U14 field hockey. Methods: A total of 13 participants played eight different training games consisting of two 7.5-minute halves, where number of players (three per side or six per side) and/or field characteristics (normal game, cage hockey game, possession game, and two-goals game) was manipulated. Match performance was determined by using notational analysis, and physical demands were determined by using GPS analyses. Results: Findings revealed that lowering the number of players increased the number of technical actions performed per player and the physical demands of the SSG. Findings of the field characteristics manipulation revealed that the possession game forced players to control the ball more as a team, which resulted in more passes (+4.82 passes) and fewer dribbles (?1.48 dribbles) and tackles (?0.69 tackles) compared to the normal game. The two-goals game led to players scoring more goals (+0.61 goals) compared to the normal game, while the cage hockey game increased passing (+1.46 passes) and physical demands (+7.32 meters per minute) compared to the normal game. Conclusion: It can be concluded from these findings that coaches and trainers are able to promote a change in playing behavior, and in turn the development of skills, by manipulating specific constraints of the training environment. 相似文献
73.
《Sport Management Review》2020,23(3):387-400
Charity sport events provide participants with a meaningful event experience, and the opportunity to support a charitable cause is a critical component of this experience. This opportunity often involves fundraising, either as a requirement of event participation or as an option to supplement registration. However, fundraising as part of charity sport event participation is a difficult task. In the current research, the authors examine the challenges faced by charity sport event participants in soliciting donations, and the effort made to overcome these challenges. Constraint negotiation served as a theoretical framework to guide this examination. Semi-structured interviews (N = 27) were conducted with Triathlon Pink participants to discuss their fundraising process and their attitudes towards fundraising. Four constraints were revealed: lack of receptivity among potential donors, perceived lack of money from potential donors, discomfort in asking, and lack of time. These constraints were negotiated through three strategies: narrative, prizes and incentives, and emphasising that any bit helps. Based upon the themes uncovered, charity sport event managers can implement increased education of fundraisers and point of sale donations within the registration process. 相似文献
74.
国内外档案界对凭证价值和情报价值有不同看法。科技档案的凭证价值和情报价值的关系是,后者以前者为基础,两者价值的实现,能更好地发挥经济效益。科技档案的凭证价值、情报价值和其他价值形态有着密切的关系。 相似文献
75.
快速、合理、优化的自动排课系统设计是高校教务管理的难点。对高校自动排课系统进行了分析,提出了排课问题的约束条件,给出了系统功能设计和数据库设计。自动排课系统实现智能化、人性化的排课过程,科学地编制课程表,合理进行课程搭配,充分利用教学资源,对学校教务管理工作的完善有重要作用。 相似文献
76.
77.
研究遗传算法在动态路由的技术上的应用。针对一类多约束目标的优化算法中的各方面进行详细的讨论与深入分析,并给出一种基于遗传算法的动态路由策略解决方案。 相似文献
78.
《International Journal of Information Management》2017,37(3):202-213
Due to the proliferation of Web 2.0 technology, e-commerce has evolved into social commerce. In this social commerce era, consumers are increasingly dependent on each other and look for social support (informational and emotional) online even before making purchases. This study examines the content of consumer reviews, a fundamental construct of social commerce. Topics expressed in consumer reviews (collected from Amazon.com) are explored using a machine learning technique (i.e. latent semantic analysis). This study documents the thematic differences between positive and negative reviews and finds that negative reviews report service-related failures while positive reviews relate more to the product, among other things. Next, the informational support aspect of social commerce is explored by identifying the topics expressed in reviews that are helpful in purchase decisions. The findings demonstrate that potential customers (i.e. those who would like to purchase a product in the near future and currently are reading reviews with the intention to decide whether or not to buy that product) find the negative reviews containing service failure information and the positive reviews containing information on core functionalities, technical aspects, and aesthetics to be more helpful. Theoretical and managerial implications are discussed. 相似文献
79.
This study explored the relationship among informational reception apprehension (IRA) factors, student motivation, and student achievement. Based on Wheeless, Preiss, and Gayle's (1997) recently developed construct, the authors hypothesized that IRA scores for listening and inflexibility would predict educational motivation scores and measures of achievement. Furthermore, this study extended existing research on student motivation and the effects of antecedent conditions, such as trait‐like IRA. Results indicated that informational reception apprehension can be taken into consideration in order to account more adequately for student motivation and achievement. 相似文献
80.
在深入分析制约保山与南亚合作的诸多因素基础上,就"桥头堡"战略背景下如何推动保山与南亚的合作作了初步探讨。 相似文献