A response to strategies and tactics through participatory action research in a developmental mathematics course     

German Alonso Moreno  David Rutledge 《Educational Action Research》2018,26(3):420-438

This paper explores the value of participatory action research in a community college developmental mathematics course. The authors used the framework of critical mathematics education in order to understand the critical conversations of students about their learning experiences, and also to help the instructor of the course develop the curriculum that attended to student experiences. The authors also draw on Michel de Certeau’s ideas about strategies and tactics to understand how students responded to their past learning experiences. Data results from the study show that students can gain a better understanding of their own learning and subsequently develop deeper content knowledge when they are more involved in the teaching and learning process. Lastly, the authors conclude that as adult learners grow in their understanding of the learning processes and of the content being presented, participatory action research can play an important role in the entire development of thinking and intellectual engagement.  相似文献   

跆拳道后横踢四种战术动作击打速度效果特点及对运动训练的启示     

徐春杰  刘卫军  刘德皓  于海龙 《成都体育学院学报》2020,(1):114-120

目的:研究跆拳道后横踢4种战术动作的击打速度效果及对运动训练的启示。方法:以跆拳道后横踢"进攻""迎击""反击""近身"4种战术动作为研究对象,运用Motion-Analysis红外光点高速运动捕捉测试系统,研究在"空击"状态下部分关节转动幅度,人体重心位移变化,膝关节和踝关节的速度、加速度;并运用电子护具采集后横踢4种战术动作的击打力量。结果:进攻、反击战术动作在骨盆、髋关节旋转上与迎击、近身战术动作有差异(P<0.05),而在躯干、膝和踝关节旋转上没有差异(P>0.05)。进攻、迎击、近身战术动作的提膝向心加速和踝关节离心加速好于"反击"(P<0.05)。进攻、迎击、近身战术动作的提膝速度、击打速度均高于"反击"(P<0.05),击打力量也高于"反击",尤其是"进攻"(P<0.05)。"进攻"和"反击"重心移动速度高于"迎击"和"近身"(P<0.01),向心加速度也高于"迎击"和"近身",尤其是"进攻"(P<0.05),但"反击"移动方向与击打方向相反。结论:跆拳道后横踢4种战术中,"进攻"与"反击","迎击"与"近身"动作结构类似;"进攻""迎击""近身"在整个过程中各环节动作肌肉收缩用力、动量传递、击打力量方面均优于"反击",特别是"进攻"显著优于"反击"。在运动训练中,要以比赛规则为导向,了解战术运用现状,科学提高击打速度,提升击打效果策略,更新运动训练思路。  相似文献   

Work–family conflict,relational turbulence mechanisms,conflict tactics and marital satisfaction*     

Timothy R. Worley  Marina R. Shelton 《Journal of Applied Communication Research》2020,48(2):248-269

ABSTRACT

This study examined how work–family conflict (WFC) is associated with mechanisms of relational turbulence, conflict tactics, and marital satisfaction. Six hundred and thirty-three married workers completed an online survey. Family interference with work and spouses’ work interfering with one’s family predicted greater relational uncertainty and interference from partners, whereas one’s own work interfering with family did not predict these mechanisms of turbulence. All three sources of relational uncertainty, and interference from partners, predicted increased avoidance and distributive tactic use. Facilitation from partners predicted increased use of integrative tactics. Finally, relational uncertainty, interference from partners, and distributive conflict tactics partially mediated the associations of WFC with marital satisfaction.  相似文献   

新规则视角下男子跆拳道技战术发展趋势——以世界冠军李大勋为例     

何芸  庞俊鹏 《武汉体育学院学报》2019,53(12):82-87

文章采用文献资料法、专家访谈法、视频分析法和数理统计法，对李大勋在重大国际赛事中的交手回合、基本技术、组合技术的应用频数以及成功率等指标进行统计分析。根据2018-2019年度世界跆拳道联盟公布的最新奥运积分显示，李大勋拥有605.94个奥运积分且高于第二名将近300余分，目前世界排名第一，其技战术风格具有一定的代表性。结果显示：李大勋在比赛中习惯采用前腿侧踢与前腿横踢技术进行主动进攻、控制距离、防守破坏、封堵迎击；利用后腿横踢技术进行补充击打；灵活使用中变中、中变高等变线技术突破对手；新规则后近身贴靠时攻防转换技战术变化多样，"推+踢"技术运用巧妙，增加了其得分手段。分析认为，在实施新规则的比赛中李大勋结合判罚尺度与分值的变化，优化了进攻方式，增加了得分手段，提高了时局节奏，同时反映出现阶段跆拳道项目技战术发展趋势。  相似文献   

基于委托-代理理论的政府R&D资源管理对策分析     

周景泰 《研究与发展管理》2003,15(3):13-16

从博弈论中委托-代理理论出发,分析了政府R&D资源分配和使用中的博弈关系,并以此为基础对政府R&D资源管理的策略进行探讨,提出了完善委托人约束机制、代理人激励机制和研究质量评价机制的若干观点。  相似文献   

高新技术企业战略联盟的组织学习及策略研究   总被引：10，自引：0，他引：10  

王宏起  刘希宋 《中国软科学》2005,(3):72-76

本文针对基于战略联盟组织学习提高高新技术企业综合优势问题，系统地研究了联盟各发展阶段组织学习的主要内容和学习方式，运用战略联盟组织学习思想建立了发展高新技术企业综合优势的策略模型，并提出了有关的学习策略。  相似文献   

提高学报影响因子的重要意义及其途径   总被引：5，自引：0，他引：5  

赵立芹  徐红  王健  韩啸  李桂英 《现代情报》2006,26(12):121-122,214

基于影响因子的定义，探讨了提高学报影响因子的意义，认为影响因子是评价学报质量优劣的重要依据和客观指标之一。通过分析影响期刊影响因子的因素，初步给出了提高影响因子的对策。  相似文献   

Facing and bridging gaps in Web searching     

Reijo Savolainen  Jarkko Kari 《Information processing & management》2006

Drawing on the ideas of the Sense-Making approach, the ways in which people face and bridge gaps in Web searching are analyzed. The empirical study is based on videotaped Web searches conducted by seven participants. Altogether 11 gaps and 13 search tactics of various types were identified. The gaps faced by the searchers originated from three major factors: problematic content of information, insufficient search competence and problems caused by the search environment. Of individual gaps, no relevant material available, inaccessible content and confusion were most frequent. Of the search tactics used in gap-bridging, following links and activating the Back button were most popular. Gaps related to the problematic content of information led the informants to redirect the search to find Web pages that focus better on the search topic. If the movement was stopped by insufficient search competence, the searchers tended to return to material that was familiar from earlier use contexts in order to regain control of the search process. Alternatively, they tried to specify the search terms. In cases where the search was interrupted by technical problems or other factors originating from the search system, gap-bridging aimed at returning to familiar and technically reliable links. The Sense-Making theory provides relevant conceptual tools to approach the dynamic and discontinuous nature of Web searching in terms of gap-facing and gap-bridging. The concept of gap-facing enables a context-sensitive analysis of the ways in which Web search processes may be stopped. Gap-bridging indicates a general level motive to find alternative ways to continue searching.  相似文献   

跨国公司在中国经营策略的变化及其思考     

郭睦庚  储冬红 《科技与管理》2003,5(4):1-3

中国加入WTO，跨国公司对中国公司的经营策略作了战略调整，加快了对中国的人才资源、市场资源的争夺，中国市场已进入了国际化竞争时代。针对这一深刻的变化，系统讨论了跨国公司近年来对中国经营策略的改变及其对中国本土企业所带来的影响，最后，提出了中国本土企业的应对策略，期望对中国本土企业的发展提供启发和参考。  相似文献   

更新定理在产品保修策略中的应用研究     

黄德春  许长新 《预测》2004,23(3):54-57

产品价格的确定，不仅要考虑生产成本，还应考虑到售后服务成本等因素。产品保修是非价格竞争下售后服务的主要内容。本文在更新定理基础上，建立了产品保修策略模型。针对模型的分析表明：当今消费品转型时代．只有降低生产成本，提高产品质量，引入产品的差异性，延长产品寿命，制订合适的保修策略，才能保障合理的厂商利润，有效刺激需求。实证表明，更新理论应用于汽车维修的生产实践，结果是准确可靠的。  相似文献