Toward Cranfield-inspired reusability assessment in interactive information retrieval evaluation     

《Information processing & management》2022,59(5):103007

Re-using research resources is essential for advancing knowledge and developing repeatable, empirically solid experiments in scientific fields, including interactive information retrieval (IIR). Despite recent efforts on standardizing research re-use and documentation, how to quantitatively measure the reusability of IIR resources still remains an open challenge. Inspired by the reusability evaluations on Cranfield experiments, our work proactively explores the problem of measuring IIR test collection reusability and makes threefold contributions: (1) constructing a novel usefulness-oriented framework with specific analytical methods for evaluating the reusability of IIR test collections consisting of query sets, document/page sets, and sets of task-document usefulness (tuse); (2) explaining the potential impacts of varying IIR-specific factors (e.g. search tasks, sessions, user characteristics) on test collection reusability; (3) proposing actionable methods for building reusable test collections in IIR and thereby amortizing the true cost of user-oriented evaluations. The Cranfield-inspired reusability assessment framework serves as an initial step towards accurately evaluating the reusability of IIR research resources and measuring the reproducibility of IIR evaluation results. It also demonstrates an innovative approach to integrating the insights from individual heterogeneous user studies with the evaluation techniques developed in standardized ad hoc retrieval experiments, which will facilitate the maturation of IIR fields and eventually benefits both sides of research.  相似文献   

湖北省羽毛球运动员认知特征的比较研究     

曹洁  卢骏  徐驰  廖晶晶 《湖北体育科技》2014,(5):443-446

以湖北省90名羽毛球运动员和在校大学生为研究对象,研究不同运动水平受试者安静状态下心理认知指标特征。结果表明:运动水平相对较高的羽毛球运动员体现出较好的认知能力。  相似文献   

对中国现行职称外语考试制度改革的思考     

张航 《孝感职业技术学院学报》2008,11(1):29-32

文章分析了当前职称外语考试中的弊端和问题，提出了改革和完善职称外语考试的措施，以期使职称外语考试既能科学地选拔人才，又能对外语学习起正确的导向作用。  相似文献   

大学生篮球技能测试方法改革的实验研究   总被引：1，自引：0，他引：1  

潘前  陈伟霖  王长琦 《福建体育科技》2006,25(1):47-50

采用文献法、访谈法、观察法、专家法以及实验法,制定了“篮球技能比赛测试法”。该方法体现了篮球运动固有的集体性、竞争性、对抗性、游戏性、灵活多变性和技术全面性等特点,与广大学生平时篮球活动的内容方式紧密结合,比目前高校普遍采用的单一的篮球技能测试具有更好的可靠性、有效性和客观性,更加节省时间和体现对学习过程的评价,因此能更好地引导广大学生通过篮球运动进行健身娱乐并形成相应的能力和习惯。  相似文献   

自动化管理系统的统计功能与图书馆科学管理   总被引：2，自引：0，他引：2  

王婷 《图书馆杂志》2003,22(4):28-29,27

本文以北邮电信的MELINETS系统为例，介绍了图书馆自动化系统的统计功能，分析了自动化系统的统计功能在图书馆科学管理工作中的作用，探讨了目前图书馆统计工作中存在的问题，并提出了改进措施。  相似文献   

面向对象回归测试的方法     

袁海根  李红丽 《教育技术导刊》2009,8(9):16-17

对面向对象软件回归测试的方法进行研究,该方法先对类及受影响的类进行分析,找出这些类,然后从测试用例集中找出覆盖所有受影响的类,最后进行测试用例排序进行执行。这种方法有效、经济和安全。  相似文献   

PSC用话题的人文化取向及其口语引导性     

李清瑛 《茂名学院学报》2006,16(5):41-43

对照新旧两套国家普通话水平测试用话题,新话题记叙类难度略有提高,但维度关照稍显不足,议论类话题权重还应加大,以使整体布局更趋合理;新话题人文性更强,更容易上口,但对社会生活的关注不够,避谈政治,不利于引导人们关心国家大事,应增加此类话题,以培养参政、议政的公民意识;新话题口语色彩更加明显,但它们只是对话题范围的规定,缺少具体明确的口语化暗示,各地在培训时,还应注意多拟口语色彩浓的子话题,以加强其口语引导性。  相似文献   

STEM Is Elementary: Challenges Faced by Elementary Teachers in the Era of the Next Generation Science Standards     

Aaron D. Isabelle 《The Educational forum》2017,81(1):83-91

For students to achieve the goals of the Next Generation Science Standards (NGSS) by Grade 12, thinking and acting like scientists and engineers must begin in the elementary grades. However, elementary teachers may find this challenging -because language arts and mathematics still dominate many classrooms—often at the expense of science. This essay examines the science skills elementary students are expected to learn and how teachers and administrators can approach the increased demands of NGSS.  相似文献   

Social and dimensional comparisons in math and verbal test anxiety: Within- and cross-domain relations with achievement and the mediating role of academic self-concept     

《Contemporary educational psychology》2017

The present study builds on two strands of research: (1) the recently established generalized internal/external frame of reference (GI/E) model assuming social (comparing one’s achievement in one domain with the achievement of one’s peers in the same domain) and dimensional (comparing one’s achievement in one domain with one’s achievement in another domain) comparison processes in the formation of motivational constructs and self-perceptions, and (2) research on domain-specific facets of test anxiety. Using a sample of 5135 German seventh grade students, it is tested whether and how both comparison processes are involved in the formation of domain-specific facets of test anxiety when considering both the emotionality and worry components of test anxiety, and whether the relation between achievement and test anxiety is mediated through academic self-concept. When applying the GI/E model to test anxiety, the results showed negative relations between achievement and test anxiety within math and verbal (German) domains, but partially positive relations across domains. This pattern of relations emerged for both the worry and emotionality components while stronger achievement relations were found for worry. These findings indicate that dimensional achievement comparison processes operate in the formation of domain-specific test anxiety. Domain-specific academic self-concepts were found to mediate the relations between achievement and test anxiety within and across domains, the mediation being stronger for worry than for emotionality as an outcome. Boys and girls did not differ regarding direct and indirect relations among constructs. Implications for research on dimensional comparison processes and test anxiety are discussed.  相似文献   

高技术产业研发投入与产业绩效的关系研究     

刘锋  逯宇铎  于娇 《科技管理研究》2016,(17)

本文利用我国2008年~2013年31个省市、自治区的面板数据,通过单位根检验和Hausman检验确定回归模型的影响形式,同时,利用F检验判定需要拟合的回归模型形式,建立变截距固定效应模型,以分析高科技产业的研发行为对产业绩效的影响。研究结果表明,研发经费的投入能够有效提升产业绩效;然而,研发人员数量的投入却削弱了产业绩效;目前,我国高技术产业的研发投入显现出非均衡状态。最后,基于估计结果我们有针对性地提出了相关的政策建议。  相似文献