An examination of psychosocial variables moderating the relationship between life stress and injury time-loss among athletes of a high standard

Based on Williams and Andersen's model of stress and athletic injury, six psychosocial variables were assessed as possible moderators of the relationship between life stress and injury among 121 athletes (65 males, 56 females) competing in a variety of sports at state, national or international level. No significant effects of the sex of the participants were evident. Correlational analyses revealed moderator effects of several variables. Specifically, dispositional optimism and hardiness were related to decreased injury time-loss in athletes when positive life change increased, and global self-esteem was associated with decreased injury time-loss when both negative life change and total life change increased. The results indicate that athletes with more optimism, hardiness or global self-esteem may cope more effectively with life change stress, resulting in reduced injury vulnerability and recovery rates.     

The role of effort in moderating the anxiety – performance relationship: Testing the prediction of processing efficiency theory in simulated rally driving

Abstract

We tested some of the key predictions of processing efficiency theory using a simulated rally driving task. Two groups of participants were classified as either dispositionally high or low anxious based on trait anxiety scores and trained on a simulated driving task. Participants then raced individually on two similar courses under counterbalanced experimental conditions designed to manipulate the level of anxiety experienced. The effort exerted on the driving tasks was assessed though self-report (RSME), psychophysiological measures (pupil dilation) and visual gaze data. Efficiency was measured in terms of efficiency of visual processing (search rate) and driving control (variability of wheel and accelerator pedal) indices. Driving performance was measured as the time taken to complete the course. As predicted, increased anxiety had a negative effect on processing efficiency as indexed by the self-report, pupillary response and variability of gaze data. Predicted differences due to dispositional levels of anxiety were also found in the driving control and effort data. Although both groups of drivers performed worse under the threatening condition, the performance of the high trait anxious individuals was affected to a greater extent by the anxiety manipulation than the performance of the low trait anxious drivers. The findings suggest that processing efficiency theory holds promise as a theoretical framework for examining the relationship between anxiety and performance in sport.     

构建JMX的RFID中间件设计与研究

根据现有RFID设备存在的问题,以及RFID上层应用的多样性和数据的海量性,提出基于JMX的分布式RFID中间件架构。该中间件架构主要由硬件管理模块、事件数据处理模块、应用服务模块和管理控制模块四部分组成。具体介绍各功能模块的软件设计和实现。该分布式中间件实现了数据采集和应用的分离,拥有高度的伸缩性,能方便系统的集成和扩充。     

基于Matlab的数字图像处理实验平台开发

本文基于Matlab的GUI界面设计开发数字图像处理实验平台。该平台不但能够在界面输入空间域算子,实现图像的空间域滤波处理,而且可以在频域选择不同的滤波器类型,对图像在频率域进行数字滤波。该实验平台能够帮助学生更直观和生动的掌握数字图像处理算法的基本理论和实验方法。     

百色粤东会馆对近代百色区域社会经济的影响

百色粤东会馆由于跟中国共产党第二代核心领导有着直接密切的关系，而成为国内知名度最高的一个会馆．从档案史料中看到，早在清初康熙年间开始，接壤滇黔桂的百色地区，就相继建立了多个粤东会馆．最初会馆以满足粤商屯货、转运、交易、留宿、集会等需要，后发展到以服务同乡商民为宗旨，努力创造一切为同乡商人客地经商的便利条件．会馆的建立及粤商的大量进入对百色建城建厅、促进经济发展和增加人口有着重大的影响．     

浙江省加工贸易发展的现状及对策

发展加工贸易是浙江省抓住外部机遇、发挥自身优势、提高自主发展能力、加快工业化进程的重要途径。发展加工贸易对于保持浙江省外贸出口持续增长、承接国际间产业转移、促进产业结构调整与升级、打造先进制造业基地等具有重要战略意义。     

网络中的"Trojan-Spy.Agent"病毒分析及技术处理

网络病毒已成为困扰实验室安全使用的重要问题,实验室技术人员需要掌握网络病毒的基本原理,在此基础上,以”特洛伊木马”病毒的隐蔽性和危害性进行分析。最后针对它的原理、技术、防御及手动清除方面,给了全方位的技术处理与研究。     

MATLAB在数字信号处理教学中的应用

介绍了 MATLAB科学计算软件在本科数字信号处理教学中的应用 ,并且阐述了 MATLAB在课堂教学演示和实验的应用     

无效合同的认定及处理--对河南濮阳"北京学籍"案的法律思考

合同成立与合同生效是两个不同的概念 ,合同成立不一定生效。合同如果不符合法律规定的有效要件 ,就是无效的 ,就不具有法律拘束力。无效合同因具有违法性 ,所以当事人不得依据合同实际履行 ,否则将承担违法的法律后果。《中华人民共和国合同法》不仅对无效合同的认定提供了具体标准 ,也对无效合同的法律后果作了相关规定 ,在处理案件时应予适用     

论高校合并后图书馆的运作模式

高校合并是我国教育体制改革的重要措施，高校图书馆之间的合并决非是简单的增减过程，本论述了合并后图书馆的献资源建设、管理体制、及人力资源管理模式．