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Behind the curtain: lessons learned from a Wizard of Oz field experiment 幕后:从绿野仙踪野外实验中学到的经验教训
Pub Date : 2003-12-01 DOI: 10.1145/1052829.1052854
Kevin F. White, W. Lutters
Large scale, organization-wide groupware systems are high risk development efforts. Requirements gathering and early evaluation are constrained by the need for the system to attain a critical mass of users and content. One approach to mitigate this risk is to employ Wizard of Oz style system simulations during the requirements gathering phase. While this method has historically been used to test quasi-functional system prototypes, we have found it to be a useful method for assessing organizational feasibility. After introducing this adaptation of the Wizard of Oz method, our approach is grounded with a case study in which it is was successfully used as a proof-of-concept requirements gathering exercise for an expertise recommender and organizational memory system project. Transferable lessons learned are distilled and discussed.
大规模的、组织范围的群件系统是高风险的开发工作。需求收集和早期评估受到系统需要获得临界数量的用户和内容的限制。减轻这种风险的一种方法是在需求收集阶段使用Wizard of Oz风格的系统模拟。虽然这种方法在历史上被用于测试准功能系统原型,但我们发现它是评估组织可行性的有用方法。在介绍了《绿野仙踪》方法的这种改编之后,我们的方法以一个案例研究为基础,在这个案例研究中,它被成功地用作一个专家推荐和组织记忆系统项目的概念验证需求收集练习。总结和讨论可转移的经验教训。
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引用次数: 12
Communities of reflection-practice and clash of communities: thoughts on the (re-)design of classes in humanities 反思实践的社群与社群冲突:关于人文学科课程(再)设计的思考
Pub Date : 2003-12-01 DOI: 10.1145/1052829.1052841
Johannes Strobel
Grounded in constructivist instructional philosophy [5] and a view that the purpose of schooling is to prepare students for a changing workplace [7; Partnership for 21st Century Skills, www.21stcenturyskills.org], learning scientists turned to communities of practice (CoPs) to get inspiration for the design of learning activities in classrooms that resemble the 'authentic' and 'real-world' situations found in CoPs outside of schools. For domains that are naturally close to the workforce, like domains in the sciences, technology, engineering, math, and others, it seems a perfect match and classroom environments are transformed to resemble CoPs [4; 6; 9].
基于建构主义教学哲学[5]和学校教育的目的是让学生为不断变化的工作场所做好准备的观点[7];21世纪技能伙伴关系(www.21stcenturyskills.org),学习科学家转向实践社区(cop),以获得设计课堂学习活动的灵感,这些活动类似于校外cop中发现的“真实”和“现实世界”的情况。对于自然接近劳动力的领域,如科学、技术、工程、数学等领域,这似乎是一个完美的匹配,课堂环境被转变为类似cop [4;6;9)。
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引用次数: 3
Re-presenting collective learning: a generative way forward 再现集体学习:一种生成式的前进方式
Pub Date : 2003-12-01 DOI: 10.1145/1052829.1052836
L. Forsyth, L. Schaverien
Professional development is increasingly conceived as a sustained group or community process, often supported by online technologies. Yet despite the enthusiasm for online communities of practice [40], and the innovative educational contexts being developed to support them, the reality of developing and maintaining a critical mass of teacher engagement is proving to be challenging (for example, the Inquiry Learning Forum (ILF) [4]; the Hawaii Networked Learning Communities (HNLC) [37]). Teacher educators and designers of technological learning environments continually strive to maximize the value of teacher engagement in such contexts, yet the conditions under which social learning and collaboration become an appropriate strategy for teachers remain unclear [4; 19]. Furthermore, contemporary research from evolutionary psychology [27] and modeling of cultural transmission [5] suggests the likelihood that professional development in sustained groups would involve subtle yet influential social learning strategies. For example, decisions regarding the adequacy of a particular concept or professional behavior may be influenced by the status of the group member advocating it, the frequency of the behavior in the group, or even which idea or behavior was offered to the group first [1].
专业发展越来越被认为是一个持续的团体或社区过程,通常由在线技术支持。然而,尽管人们对在线实践社区[4]充满热情,并且正在开发创新的教育环境来支持他们,但发展和维持教师参与的临界质量的现实被证明是具有挑战性的(例如,研究性学习论坛(ILF) [4];夏威夷网络学习社区(HNLC) b[37])。教师教育工作者和技术学习环境的设计者不断努力使教师参与的价值最大化,然而,社会学习和协作成为教师适当策略的条件仍不清楚[4];19)。此外,来自进化心理学和文化传播模型的当代研究表明,可持续群体的职业发展可能涉及微妙但有影响力的社会学习策略。例如,关于某一特定概念或专业行为是否适当的决定可能受到倡导该概念或专业行为的小组成员地位、该行为在小组中出现的频率,甚至是最先向小组提出的想法或行为的影响。
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引用次数: 4
Supporting and changing practices of nested and overlapping educational communities 支持和改变嵌套和重叠的教育社区的实践
Pub Date : 2003-12-01 DOI: 10.1145/1052829.1052849
D. Suthers, Violet H. Harada, Joyce Yukawa, Viil Lid
Applications of information technology to support systemic reform in public school systems have taken several forms. Instructional applications include attempts to more effectively convey information to students, to empower students' own agency in accessing information and constructing knowledge, and to aid teachers' classroom management, lesson preparation, and assessment. Technology has been proffered as a change agent in itself: teachers will need to change their practices in order to use technologies designed for doing authentic inquiry and communicating or collaborating with others [10]. Information technology can also support professional development through access to online courses, and enable participation in distributed communities of practice. The work reported in this paper has taken this latter strategy. Because today's school systems operate in an environment of constant change, professional development requires a paradigm shift from a scripted training approach to a more fluid approach that encourages the incorporation of networks, coalitions, and partnerships. The capacity to network with other professionals is essential to the notion of communities of practice. McLaughlin and Mitra argue that sustaining large-scale theory-based reform efforts "requires a community of practice to provide support, deflect challenges from the broader environment, and furnish the feedback and encouragement essential to going deeper" [7]. Barab defines a community that advances ongoing and open-ended professional development as a "persistent, sustained network of individuals who share and develop an overlapping knowledge base, set of beliefs, values, history and experiences focused on a common practice and/or mutual enterprise" [1]. These communities change the relationships among teachers, breaking the isolation that most teachers have found so confining.
应用信息技术支持公立学校系统改革的形式有几种。教学应用包括尝试更有效地向学生传递信息,赋予学生获取信息和构建知识的自主能力,以及帮助教师进行课堂管理、备课和评估。技术本身已经成为变革的推动者:教师需要改变他们的实践,以便使用为进行真实的探究和与他人交流或合作而设计的技术[10]。信息技术还可以通过访问在线课程来支持专业发展,并使参与分布式实践社区成为可能。本文报道的工作采用了后一种策略。因为今天的学校系统是在一个不断变化的环境中运作的,专业发展需要从照本宣科的培训方式转变为一种更灵活的方式,鼓励网络、联盟和伙伴关系的结合。与其他专业人士建立网络的能力对实践社区的概念至关重要。McLaughlin和Mitra认为,维持大规模基于理论的改革努力“需要一个实践社区来提供支持,转移来自更广泛环境的挑战,并提供对深入研究至关重要的反馈和鼓励”[7]。Barab将促进持续和开放式专业发展的社区定义为“一个持久的、持续的个人网络,他们分享和发展一个重叠的知识库、一套信仰、价值观、历史和经验,专注于共同的实践和/或共同的事业”[1]。这些社区改变了教师之间的关系,打破了大多数教师认为如此受限制的孤立状态。
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引用次数: 5
Dynamic personal social networks: a new perspective for CSCW research and design 动态个人社会网络:CSCW研究与设计的新视角
Pub Date : 2003-12-01 DOI: 10.1145/1052829.1052830
G. H. T. Hofte, I. Mulder
In this position paper, we motivate why the dynamic personal social network perspective is relevant for research and design of CSCW systems. Moreover, we identify opportunities for improvement of measuring the dynamics in personal social networks and we propose a classification of dynamic personal social network applications.
在这篇论文中,我们阐述了为什么动态的个人社会网络视角与CSCW系统的研究和设计相关。此外,我们确定了测量个人社交网络动态的改进机会,并提出了动态个人社交网络应用的分类。
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引用次数: 10
Co-reflection in online learning environments 在线学习环境中的共同反思
Pub Date : 2003-12-01 DOI: 10.1145/1052829.1052840
Joyce Yukawa
While peer collaboration is the basis for co-learning in many groups, in the classroom the prevailing assumption is that teachers facilitate student learning, through course structure, setting learning tasks and outcomes, presentation, discussion, facilitating small group learning, coaching, and mentoring, among others. Though instructional design models have recognized that learning builds on interactions between learners and their environments (teachers have moved from "sage on the stage" to "guide on the side"), these models tend to focus on individual student learning rather than group learning.
虽然教学设计模型已经认识到学习建立在学习者和他们的环境之间的互动基础上(教师已经从“舞台上的圣人”转变为“旁边的向导”),但这些模型往往侧重于学生个人的学习,而不是群体学习。
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引用次数: 4
Building learning communities by enhancing social presence: implementing blended instructional delivery methods 通过增强社会存在建立学习社区:实施混合教学交付方法
Pub Date : 2003-12-01 DOI: 10.1145/1052829.1052847
Woei Hung
Lewis, Snow, Farris, et al. stated in the National Center for Education Statistics that "distance education appears to have become a common feature of many postsecondary education institutions and...it will become only more common in the future" [3]. In the wave of migration to new instructional delivery modes, it is necessary for us to critically examine some issues that have arisen, in order to reach an optimal solution for both the students and the instructors. One of the inevitable tradeoffs in an online learning environment is a decrease in the quality of social interaction. Social interaction is innate in traditional face-to-face classrooms. It is not only a critical element in helping the learners to develop a sense of belongingness within a learning community, but also determines the dynamics of the learning community, which greatly influence the students' learning outcomes. Among the essential components of a community, interaction between the members is deemed to be the one crucial factor that makes a community alive. Researchers agree that helping students develop a sense of community is an important aspect in promoting positive learning experiences and better learning outcomes in distance learning environments [7].
Lewis, Snow, Farris等人在国家教育统计中心中指出,“远程教育似乎已经成为许多高等教育机构的共同特征……它在未来只会变得更加普遍”[3]。在向新的教学交付模式迁移的浪潮中,我们有必要批判性地审视出现的一些问题,以便为学生和教师找到最佳解决方案。在线学习环境中不可避免的权衡之一是社交互动质量的下降。在传统的面对面课堂中,社会互动是与生俱来的。它不仅是帮助学习者在学习社区中建立归属感的关键因素,而且还决定了学习社区的动态,这极大地影响了学生的学习成果。在社区的基本组成部分中,成员之间的互动被认为是使社区活跃的一个关键因素。研究人员一致认为,在远程学习环境中,帮助学生培养社区意识是促进积极学习体验和取得更好学习成果的一个重要方面[7]。
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引用次数: 8
Student communities in a distance-learning environment 远程学习环境中的学生社区
Pub Date : 2003-12-01 DOI: 10.1145/1052829.1052846
Thierry Isckia, C. Delalonde
Distance Education (DE) is becoming increasingly important as its rapid growth rates demonstrate. However, recent statistics on DE show low retention rates and a poor return on investment (ROI) in various programs. We need a better understanding of what are the critical success factors for DE environments for all constituencies (students, instructors, and institutions). We still misinterpret the reality of this kind of practice, both from the teacher's and the learner's point of view [1]. In this article, we focus on the collective dimension of the learning environments. In fact, entering a virtual learning community appears as a rational choice for the students to retrieve information more rapidly [3] and examine with available peers the actual content. But, students occasionally express a natural anxiety about sharing their difficulties with strangers, which partially explains the barriers in establishing trusting and caring learning communities [2]. Well-sequenced pedagogical courses and frequent contacts with the professor seem to strengthen the cohesion and integration of the students in a group. Consequently, educational choices and the global architecture of the course, by influencing the formation of these groups, try to compensate --- at least partially --- for the deficiencies of DE. The goal of this paper is to propose solutions to overcome low retention rates and ROI in order to deploy an efficient DE program using the key solution of a web-based course in an American public university.
远程教育(DE)正变得越来越重要,其快速增长的速度表明。然而,最近关于DE的统计数据显示,各种项目的保留率很低,投资回报率(ROI)也很低。我们需要更好地理解面向所有群体(学生、教师和机构)的DE环境的关键成功因素是什么。从教师和学习者的角度来看,我们仍然误解了这种实践的现实[1]。在本文中,我们关注学习环境的集体维度。事实上,进入虚拟学习社区似乎是学生更快地检索信息[3]并与可用的同伴一起检查实际内容的理性选择。但是,学生偶尔会对与陌生人分享自己的困难表现出一种自然的焦虑,这在一定程度上解释了建立信任和关怀的学习社区的障碍[2]。有序的教学课程和与教授的频繁接触似乎加强了学生在群体中的凝聚力和融合性。因此,教育选择和课程的全球架构,通过影响这些群体的形成,试图弥补——至少部分地——DE的不足。本文的目标是提出解决方案,以克服低保留率和投资回报率,以便在美国公立大学使用基于网络的课程的关键解决方案部署一个有效的DE计划。
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引用次数: 2
ECSCW 2003 Computer Supported Scientific Collaboration (CSSC) workshop report 2003年计算机支持科学合作研讨会报告
Pub Date : 2003-08-01 DOI: 10.1145/1027228.1027230
H. Karasti, K. Baker, G. Bowker
The Eighth European Computer Supported Cooperative Work conference (ECSCW 2003) provided a venue to gather researchers interested in the study of scientific collaborations and their technology support. The organizers, Karen S. Baker, Geoffrey C. Bowker and Helena Karasti, started to work together in 2002 on a National Science Foundation funded BioDiversity and EcoInformatics (BDEI) project 'Designing an Infrastructure for Heterogeneity in Ecosystem Data, Collaborators and Organizations' (http://pal.Iternet.edu/projects/02dgo/). Having encountered a multitude of challenging issues in their study with the Long-Term Ecological Research (LTER, http://Iternet.edu), the ECSCW workshop offered an opportunity for a community dialogue focusing on Computer Supported Scientific Collaboration (CSSC). The suite of selected position papers at the workshop by Debra Cash & Howard Cash, Jenny Fry, Timothy Koschmann, Flemming Meier, Erja Mustonen-Ollila, Giuseppe Psaila & Davide Brugali, and Sanna Talja ([16], <http://pal.Iternet.edu/projects/ecscw03/) represented a wide range of work relating to scientific collaborations.
第八届欧洲计算机支持的合作工作会议(ECSCW 2003)为对科学合作及其技术支持研究感兴趣的研究人员提供了一个场所。组织者Karen S. Baker、Geoffrey C. Bowker和Helena Karasti于2002年开始在国家科学基金会资助的生物多样性和生态信息学(BDEI)项目“为生态系统数据、合作者和组织的异质性设计基础设施”(http://pal.Iternet.edu/projects/02dgo/)上合作。在长期生态研究(LTER, http://Iternet.edu)的研究中遇到了许多具有挑战性的问题,ECSCW研讨会为社区提供了一个机会,重点讨论计算机支持的科学协作(CSSC)。Debra Cash & Howard Cash、Jenny Fry、Timothy Koschmann、Flemming Meier、Erja Mustonen-Ollila、Giuseppe Psaila & Davide Brugali和Sanna Talja ([16], http://pal.Iternet.edu/projects/ecscw03/)在研讨会上选定的立场文件代表了与科学合作有关的广泛工作。
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引用次数: 4
Summary of COOP'04 workshop on interaction and knowledge management COOP'04互动与知识管理研讨会摘要
Pub Date : 2003-08-01 DOI: 10.1145/1027228.1027229
M. Lewkowicz
Knowledge management is often studied from the point of view of knowledge as an object which has to be clarified, archived, spread, shared. But there is another point of view in which we want to focus during this workshop, which is knowledge in action, or "knowing", instead of "knowledge", as (Cook, Brown, 1999) or (Pfeffer, Sutton, 1999) make the distinction. We thus fit in a historical current initiated by (Bannon, Kuutti, 1996), who used to distinguish a passive and an active or constructive view of Organizational Memory. We could then say that we adopt a social approach of Knowledge Management (Erickson, Kellogg, 2001; Ackerman et al. 2003), contrary to other works which deal with information problems. In other words we could claim stopping to think in terms of knowledge management, and starting to think in terms of supporting the larger social context in which knowledge management is embedded.
知识管理通常是从知识作为一个对象的角度来研究的,这个对象必须被澄清、存档、传播、共享。但在本次研讨会中,我们想要关注的是另一个观点,即行动中的知识,或“知道”,而不是“知识”,正如(Cook, Brown, 1999)或(Pfeffer, Sutton, 1999)所区分的那样。因此,我们符合(Bannon, Kuutti, 1996)发起的历史潮流,他曾经区分过组织记忆的被动和主动或建设性观点。然后我们可以说我们采用了知识管理的社会方法(埃里克森,凯洛格,2001;Ackerman et al. 2003),与其他处理信息问题的作品相反。换句话说,我们可以停止从知识管理的角度来思考,并开始从支持知识管理嵌入的更大的社会背景的角度来思考。
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引用次数: 1
期刊
ACM Siggroup Bulletin
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