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Students 学生
Pub Date : 2006-01-01 DOI: 10.1145/231132.231135
Kate Ehrlich
The purpose of this study was to develop a mathematics vocabulary measure for eighth-grade students and to determine the relationships among general vocabulary knowledge, mathematics vocabulary knowledge, and mathematics computation. Students (n=34) took three tests in the following order: (1) mathematics vocabulary, (2) WRAT Computation, and (3) GMRT Vocabulary. Mathematics vocabulary results revealed that the mathematics vocabulary test was highly reliable. Based on students’ scores in all tests, the correlation between mathematics vocabulary knowledge and general vocabulary knowledge as well as the relationship between mathematics vocabulary and mathematics computation were strong. However, there was no significant association between mathematics computation and general vocabulary knowledge. Mathematics vocabulary knowledge was a mediator between the two.
本研究旨在编制一套八年级学生数学词汇量量表,并探讨一般词汇知识、数学词汇知识和数学计算三者之间的关系。学生(n=34)按以下顺序进行三个测试:(1)数学词汇量,(2)WRAT计算,(3)GMRT词汇量。数学词汇测试结果表明,数学词汇测试具有较高的信度。从学生在各项测试中的得分来看,数学词汇知识与一般词汇知识、数学词汇知识与数学计算之间的相关性都很强。然而,数学计算与一般词汇知识之间没有显著的关联。数学词汇知识在二者之间起中介作用。
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引用次数: 0
Coordinating user interfaces for consistency 协调用户界面以保持一致性
Pub Date : 2001-12-19 DOI: 10.1145/67900.67910
J. Nielsen
One of the most important aspects of usability is consistency in user interfaces. Consistency should apply both within the individual application and across complete computer systems and even across product families. Practical methods for coordinating user interface design are not well known, however. To remedy this situation, a workshop on Coordinating User Interfaces for Consistency was held at the ACM CHI'88 conference in Washington, DC, 15--16 May 1988.
可用性最重要的方面之一是用户界面的一致性。一致性应该既适用于单个应用程序,也适用于整个计算机系统,甚至适用于整个产品系列。然而,协调用户界面设计的实用方法并不为人所熟知。为了纠正这种情况,在1988年5月15日至16日在华盛顿特区举行的ACM CHI'88会议上举行了关于协调用户界面一致性的研讨会。
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引用次数: 154
Resurrection & penance 复活与忏悔
Pub Date : 2000-04-01 DOI: 10.1145/360405.360417
Richard I. Anderson
The process of starting a CHI local SIC can appear daunting. The process of running a CHI local SIC ongoing-i.e., keeping things going and going-probably appears even more daunting; indeed, there have been a few cases of CHI local SIGs becoming dormant. Several previous columns have addressed the topics of starting a local SIC and keeping it going; for example, the January 99 column tells the tale of "Starting a S IGCHI Local Group in the Netherlands"; the April 97 column, "The Social Design of a Local SIC," describes key elements of the design of a sustained community; the January '97 column is about "Ensuring a Local SIG's Future: Fitting Into & Creating a Culture"; and the April 99 column provides advice regarding the many "Challenges Facing CHI Local SIGs." But, if a CHI local SIG has stopped functioning, how do you get it going again? What Leads to Local SIC Dormancy? The primary reason a few local SIGs have died appears to be the disappearance of the one key energetic leader-often the one who got the local SIC going in the first place. CHI-Atlanta (Georgia) stopped functioning a few years ago when its founder moved from the area. Lone Star CHI (Dallas / Ft. Worth, Texas) became dormant more recently when its leader moved from the area, and LA SIGCHI (Los Angeles, California) has suffered multiple periods of dormancy when different leaders moved away. CapCHI (Ottawa, Canada) became dormant in 1997 when the person who ran the chapter single-handedly for a long time burned out. After about 2 years of regular meetings, SwissCHI experienced an "unplanned intermission" of several months during 1998, because no one wanted to take the lead in setting up new meetings. A CHI-Austin (Texas) "pause" occurred for similar reasons. This is a problem local SIGs must try to avoid. It is very important to involve others who can play key leadership roles; such involvement readies others to take over if necessary and reduces the chance of leadership burnout. But, sometimes involving others can be difficult. Indeed, many local SIGs report difficulty finding volunteers and integrating those they do find within the leadership core. Other developments can lead to dor-mancy. Dormancy struck NUCHI (Northern Utah) and TriCHI (Research Triangle Park, North Caro-lina) when significant changes in the makeup of the industrial landscape in those areas greatly lowered the number of people interested in a local community. …
启动CHI本地SIC的过程可能令人望而生畏。运行CHI本地SIC的过程正在进行中。让事情继续进行下去——可能看起来更令人生畏;事实上,已经有一些CHI本地sig处于休眠状态的案例。之前的几篇专栏文章已经讨论了如何启动本地SIC并使其持续下去;例如,1999年1月的专栏讲述了“在荷兰创办一家sigchi本地集团”的故事;1997年4月的专栏“本地SIC的社会设计”描述了可持续社区设计的关键要素;1997年1月的专栏是关于“确保当地团体的未来:融入并创造一种文化”;1999年4月的专栏提供了关于许多“CHI本地sig面临的挑战”的建议。但是,如果一个CHI本地SIG停止运行,您如何使它再次运行?什么导致局部SIC休眠?一些地方社团死亡的主要原因似乎是一个关键的充满活力的领导者的消失,而这个领导者往往是最初推动地方社团发展的人。CHI-Atlanta(乔治亚州)在几年前创始人离开该地区后停止了运作。Lone Star CHI (Dallas / Ft. Worth, Texas)最近因其领导者离开该地区而进入休眠状态,而LA SIGCHI (Los Angeles, California)因不同的领导者离开而经历了多次休眠。CapCHI(加拿大渥太华)于1997年陷入休眠状态,当时独自管理该分会很长时间的人已经精疲力竭。在大约2年的定期会议之后,瑞士国际商会在1998年经历了几个月的“计划外中断”,因为没有人愿意带头建立新的会议。A CHI-Austin(德克萨斯州)出现“pause”的原因类似。这是本地sig必须尽量避免的问题。让能够发挥关键领导作用的人参与进来是非常重要的;这种参与可以让其他人在必要时接手,并减少领导倦怠的可能性。但是,有时让其他人参与进来可能会很困难。事实上,许多当地的sig报告说,很难找到志愿者,也很难把他们找到的志愿者融入领导核心。其他的发展可能导致休眠。当NUCHI(北犹他州)和TriCHI(北卡罗来纳州三角研究园)的工业景观构成发生重大变化时,这些地区的休眠状态大大降低了对当地社区感兴趣的人数。…
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引用次数: 0
Telephone speech standards committee descriptive document 电话语音标准委员会描述性文件
Pub Date : 2000-04-01 DOI: 10.1145/360405.360435
Melissa Dougherty
1. End-User Challenge: Speech provides a new and larger set of capabilities to the user, and can improve the quality of the user interface over touch-tone interactions. However, speaking to systems is unfamiliar to users, and each system is different requiring users to learn how to use each one individually. A greater degree of predictability in the interface would likely reduce the end-user's learning curve, speeding adoption and increasing the user's comfort level. Touch-tone systems have not had the benefit of interface standards, and user confusion about the meaning/function of certain "keys" on the keypad is not uncommon.
1. 终端用户的挑战:语音为用户提供了一组新的、更大的功能,并且可以比按键式交互提高用户界面的质量。然而,与系统对话对用户来说是不熟悉的,并且每个系统都是不同的,需要用户单独学习如何使用每个系统。界面中更大程度的可预测性可能会减少最终用户的学习曲线,加速采用并提高用户的舒适度。按键式系统没有接口标准的好处,用户对键盘上某些“键”的含义/功能的困惑并不少见。
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引用次数: 0
Report on closing the digital divide: meeting of the Deparment of Commerce, Washington, DC December 9, 1999 关于消除数字鸿沟的报告:商务部会议,华盛顿特区,1999年12月9日
Pub Date : 2000-04-01 DOI: 10.1145/360405.360445
B. Shneiderman
Secretary of Commerce William M. Daley chaired a lively Roundtable discussion about how to close the digital divide. This national problem, described in the July 1999 report: "Falling through the Net: Defining the Digital Divide" (www.ntia.doc.gov), is the growing gap between rich and poor in terms of their internet usage. The gap between welleducated and poorly educated is also increasing. Today's 90minute discussion by government, business, and community leaders (see list below) tried to draw attention to the issues, describe efforts to deal with it, and promote new initiatives. Secretary Daley promised annual reports on progress and needs. The 800+ pre-registered attendees filled the auditorium and the overflow crowd watched by video in the cafeteria.
商务部长威廉·m·戴利(William M. Daley)主持了一场关于如何缩小数字鸿沟的圆桌会议。1999年7月的报告《从网络中跌落:定义数字鸿沟》(www.ntia.doc.gov)描述了这一全国性问题,即贫富之间在互联网使用方面的差距越来越大。受教育程度高和受教育程度低之间的差距也在扩大。今天由政府、企业和社区领导人(见下表)进行的90分钟讨论试图引起人们对这些问题的关注,描述解决这些问题的努力,并推动新的倡议。部长戴利承诺每年报告进展和需求。800多名预先登记的与会者挤满了礼堂,在自助餐厅通过视频观看了拥挤的人群。
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引用次数: 1
Universal commands for telephony-based spoken language systems 基于电话的口语系统的通用命令
Pub Date : 2000-04-01 DOI: 10.1145/360405.360432
M. Cohen
Many spoken language systems designed for use over the telephone incorporate universal commands. A universal command is one that is available to the caller at all times. Example universals from some currently deployed systems include "help" in order to get additional instruction relevant to the current state of the call, and "repeat" to hear the most recent prompt again. Universal commands provide the caller with consistency throughout an application. They typically provide functions a caller can fall back on any time they are having problems, increasing the ease of use of systems.
许多为电话使用而设计的口语系统都包含通用命令。通用命令是调用者在任何时候都可以使用的命令。来自一些当前部署的系统的通用示例包括“help”以获得与呼叫当前状态相关的额外指令,以及“repeat”以再次听到最近的提示。通用命令在整个应用程序中为调用者提供一致性。它们通常提供调用者在遇到问题时可以求助的函数,从而增加了系统的易用性。
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引用次数: 5
Toward the essence of information 走向信息的本质
Pub Date : 2000-04-01 DOI: 10.1145/360405.360443
Leonel Vinicio Morales Díaz
I will always remember a special day when i was dining at the university student's residence of Ciudad Vieja in Guatemala, Central America. To the same table I was sharing with others came a catholic priest who also was a philosophy professor. The conversation started immediately and the priest told us about a new crazy man, this time coming from the information and systems field, who was asserting that every thing that exists in the universe could be reduced to matter, energy and information.
我将永远记得一个特殊的日子,当时我在中美洲危地马拉Vieja城的大学生宿舍吃饭。坐在我和其他人同一张桌子旁的是一位天主教牧师,他也是一位哲学教授。谈话立刻开始了,牧师告诉我们一个新的疯子,这次来自信息和系统领域,他断言宇宙中存在的每一件事都可以归结为物质、能量和信息。
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引用次数: 1
New year's update on human computer interaction standards: part 1: The U.S. 人机交互标准的新年更新:第一部分:美国
Pub Date : 2000-04-01 DOI: 10.1145/360405.360418
H. Blanchard
1 am pleased to say that the Standards column in the SIGCHI Bulletin will be returning as a regular feature. I deeply apologize to those of you who look forward to the regular appearance o f these columns. The absence o f this column was an unfortunate consequence o f my own scheduling problems, and it was a further misfortune to have this occur at the same time that the Bulletin began appearing irregularly. Moving forward, I expect this column to appear several times during the year, and the length and nature o f the column will adapt as the Bulletin itself changes format in the year 2000. Please send any comments, observations, opinions, and topic suggestions to me at heb@acm.org.
我很高兴地告诉大家,《SIGCHI公报》的“标准”专栏将作为定期专题回归。对于那些期待这些专栏定期出现的人,我深表歉意。这篇专栏的缺失是我自己日程安排问题的不幸后果,而更不幸的是,这篇专栏的缺失发生在《简报》开始不定期出现的同时。展望未来,我希望这个专栏在一年中出现几次,专栏的长度和性质将随着《公报》本身在2000年格式的改变而改变。请将任何评论、观察、意见和主题建议发送到heb@acm.org。
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引用次数: 0
How do adults and children work together to design new technology? 成人和儿童如何共同设计新技术?
Pub Date : 2000-04-01 DOI: 10.1145/360405.360411
A. Druin, Joe Hammer, Alex Kruskal, Abby Lal, Thomas Plaisant Schwenn, Lauren Sumida, R. Wagner, H. Alborzi, J. Montemayor, Lisa Sherman
A reporter came to our lab the other day. He asked a lot of questions to our adults and kids who work together in a team. But the funny thing is we weren' t sure he really understood our answers to his questions. All too often this seems to happen, because most people make certain assumptions about how adults and kids can work together to create new technologies. Many people assume kids can be technology testers. Some people even think kids can help in the brainstorming process every once in a while. But few people quite believe that adults and kids can be on-going partners in designing new technology. This is what we strive for here in Maryland.
前几天一位记者来到我们的实验室。他问了我们这些在团队中一起工作的成年人和孩子很多问题。但有趣的是,我们不确定他是否真的理解了我们对他问题的回答。这种情况似乎经常发生,因为大多数人对成年人和孩子如何共同创造新技术有一定的假设。许多人认为孩子可以成为技术测试者。有些人甚至认为孩子们可以偶尔在头脑风暴过程中提供帮助。但很少有人相信成年人和孩子可以在设计新技术方面成为持续的合作伙伴。这就是我们在马里兰为之奋斗的。
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引用次数: 1
The classroom of the 21st century: The interactive learning wall 21世纪的课堂:互动学习墙
Pub Date : 2000-04-01 DOI: 10.1145/360405.360438
R. Eckert, J. Moore
The Interactive Learning Wall is a Windows/PC-based virtual blackboard system that can be controlled remotely by a classroom instructor and/or students. A laser pointer used by the instructor emulates mouse actions on a computer projection screen. An inexpensive video camera sends each projected frame to a video capture card in the computer; our software detects the bright laser spot, moves a screen cursor, and performs other mouse operations according to user actions. The system frees the instructor to move about the classroom as he/she controls the presentation. Other software allows students, from their laptop computers, to request control of the main computer's mouse and keyboard over a local network. This facilitates student interaction with the main computer's screen to perform tasks like: go to specific parts of the presentation; enter text; annotate diagrams; run programs. Both systems can help increase interactivity between instructor and students in a large classroom environment. Technical details are given in this paper.
交互式学习墙是一个基于Windows/ pc的虚拟黑板系统,可以由课堂教师和/或学生远程控制。教练使用的激光笔在计算机投影屏幕上模拟鼠标的动作。廉价的摄像机将每个投影帧发送到计算机中的视频采集卡;我们的软件检测到明亮的激光点,移动屏幕光标,并根据用户的操作执行其他鼠标操作。该系统使教师可以自由地在教室里走动,因为他/她可以控制演示。其他软件允许学生从他们的笔记本电脑请求通过本地网络控制主计算机的鼠标和键盘。这有助于学生与主计算机屏幕进行交互,以执行以下任务:转到演示的特定部分;输入文本;注释图;运行程序。这两个系统都可以帮助增加教师和学生在大型教室环境中的互动。文中给出了技术细节。
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引用次数: 27
期刊
ACM SIGCHI Bull.
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