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1.
Abstract

This paper discusses two modifications to the conduct of computer‐conference‐based master's degree courses: a maximum length for conference messages was suggested and, more importantly, conference moderators, or topic leaders, were appointed from among the student cohort. Drawing on previous work on conference moderation, it is argued that the differing power relationships between student and student and between instructor and student result in a context in which instructor and student moderators can perform complementary functions to ensure a more productive conferencing environment.  相似文献   

2.
This study examined the influence of group structures upon six groups of distributed graduate students as they pursued a six-week problem-based learning activity by communicating in an asynchronous computer conference. Henri and Rigault's (1996) content analysis framework and Howell-Richardson and Mellar's (1996) guidelines for interconnectedness of messages were used to analyze the messages. In addition, learners' perceptions of interdependence and intersubjectivity were gauged from a self-reported survey developed by the researcher. Overall comparisons revealed that group conferences with role assignment had higher levels of interconnected messages. Weekly comparisons also indicated higher perceptions of intersubjectivity and deep processing for the role assignment group during the initial weeks of the activity. Over time, however, these levels equalized across group structures.  相似文献   

3.
Interactivity is defined by Henri (1992) as a three-step process involving communication of information, a response to this information, and a reply to that first response. It is a key dimension of computer-mediated communication, particularly in the one-on-one communication involved in an electronic mentoring program. This report analyzes the interactivity between pairs of corporate research scientists (mentors) and university biology students (protégés) during two consecutive implementations of an electronic mentoring program. The frequency and structure of the interactions within each pair were examined to provide context: 542 messages were posted among the 20 mentors and 20 protégés. These messages were formed into 5–10 threads per pair, with 3–4 messages per thread, indicating a high level of interactivity (there were more responses posted than independent messages). Mentor–protégé pairs rated as effective by both mentors and protégés posted more messages overall, had well-structured threads, had protégé and mentor postings that were similar in topic coverage and message length, and had little overt “management” behavior by mentors. However, there appears to be no clear recipe for successful interaction. Not only are there a variety of factors at play in developing an online relationship in this context, but mentor–protégé pairs can falter at various stages in the process and in various ways.  相似文献   

4.
Author's note: In the context of the conference I decided not to dot the t's and cross the t's of its proceedings but rather to select several themes of general relevance which were not likely to have been fully explored by the various commissions. There were (a) the models of language use - message making, (b) the speaker and his messages, and (c) some social aspects of the writer and his messages. I also tried to refer to as much relevant work in the field as possible, not I hope in the vain attempt to display scholarly erudition, but because I know many teachers in the audience wished to follow up the work of the conference .  相似文献   

5.
The current experiments systematically examined semantic content integration as a mechanism for explaining source inattention and forgetting when reading-to-remember multiple texts. For all 3 experiments, degree of semantic overlap was manipulated amongst messages provided by various information sources. In Experiment 1, readers’ source recognition was significantly poorer when the sources presented semantically-congruent compared to semantically-distinct messages. Experiment 2 replicated the findings, despite half of the participants receiving a pre-reading warning. Experiment 3 extended the examination to include longer argument-based texts; readers additionally wrote a comprehensive essay on the topic. The results indicated longer reading times and better recall memory for the claims and evidence statements from semantically-congruent compared to semantically-distinct texts, while still reproducing the poorer source recognition effects of Experiments 1 and 2. We discuss implications for contemporary accounts of multiple text comprehension as well as directions for future research.  相似文献   

6.
This paper suggests that, through the provision of opportunities for reflection–in–action at critical learning stages and with the support of a trained e–moderator, the participants in computer mediated conferencing (CMC) can be encouraged to engage in reflecting about their onscreen experiences. Such reflection aids the building of a productive online community of practice. In addition, by encouraging participants to reflect on later stages of their online training experiences, a reflection–on–action record can be built up. Participants' reflective processes can be captured through analysis of their on screen text messages and so be available for research purposes. Examples of conference text message reflections are given throughout the paper, drawn from the on screen reflections of Open University Business School (OUBS) Associate Lecturers who were working online through the medium of computer mediated conferencing for the first time. The conclusion is that reflection–on–practice in the online environment is beneficial for helping the participants to learn from online conferencing and can provide an excellent tool for qualitative research. Opportunities for reflection need to be built into the design of online conferences and facilitated by a trained e–moderator.  相似文献   

7.
本文介绍一种通过公共电话网传递信息、用电脑进行控制的新型报警系统．文章对它的通讯性能进行了定性分析，并着重讨论了平均通讯时间和误报率等指标，设计出适合该系统的优化通讯．实验表明，这种设计方案是成功的．  相似文献   

8.
Research has shown that when group problem solving is computer mediated, communications become more task oriented with clearer role expectations, while face-to-face communications are more cohesive and personal. None of this research has examined those patterns of interactions in terms of the problem solving activities engaged. In this study, we compared the perceptions of participants, the nature of the comments made, and the patterns of communication in face-to-face and computer-mediated groups in terms of problem-solving activities while solving well-structured and ill-structured problems. The quantity of messages in the computer conference was smaller but more task related than in the face-to-face conversations because participants reflected more on ideas and perspectives in reaching their decisions. A cluster analysis of communication patterns showed that computer-mediated group decisions more closely resembled the general problem-solving process of problem definition, orientation, and solution development as group interaction progressed, while the face-to-face group interactions tended to follow a linear sequence of interactions. Participants who solved problems through computer conferencing were more satisfied with the process and believed that there was a greater quality in the problem-solving process.  相似文献   

9.
Although mounting evidence in Western nations indicates that entertainment media influence young people’s sexual socialisation, virtually no research has addressed the topic in sub-Saharan Africa. The present study employed 14 focus groups of Ugandan high school students to identify media through which they were exposed to sexual content, how they interpreted and evaluated that content, and how they compared its influence with that of parents, schools and religious institutions. Participants most often mentioned TV, followed by print media and Internet as sources of sexual material. Media were said to present discrepant messages regarding the timing of sexual debut, with international programming urging early sexual debut and local programming described as urging young people to delay sex. Young people spoke of turning to ssengas and kojjas for sexual advice, and a number of boys suggested pornography could also be educational. Both local and international programming was interpreted as conveying views of men as sex driven and women as submissive in sex and relationships. Participants expressed the belief that sexual media content had a negative impact on young people. Most nevertheless assessed these messages as more influential than other sources of sexual socialisation.  相似文献   

10.
An important characteristic of computer conferencing in the context of distance teaching is that there is no requirement for all participants to interact at the same time. Individual users can participate at times which suit them. In an educational context, computer conferencing can provide for a variety of interactions between students, and between students and teaching staff. The .’electronic student lounge’ is a conference for socialising, for making friends, and for forming special interest groups. The 1989 extramural telecommunications (EXTEL) project at Massey University, New Zealand, provided a group of Computer Science students with such a facility. The project was based on an innovative, cheap, easy‐to‐use electronic messaging system developed at Massey.

This paper describes the EXTEL project, including the messaging system employed and the data gathering methods used to evaluate it. An analysis is presented of a sample of the more than 2000 messages exchanged over the trial period. The results of surveys of the participating students both before and after the trial are also presented. A significant proportion of the interactions were found to consist of ‘general chat’ thus supporting the notion that this type of facility helps reduce the isolation often experienced in distance teaching.  相似文献   


11.
Student–instructor communication was examined in freshman biology classes taught either in traditional lecture style or by using a variety of student-centered, active learning approaches to engage students in the learning process (cooperative learning groups, wireless microphones, permanent name tags, in-class and out-of-class writing). In both classes students were encouraged to send questions, comments, and suggestions to the instructor via e-mail. In the active learning class, students also wrote in-class notes to the instructor. All messages could be classified as either content-related or procedural. More content-related messages were received in the active learning class than in the traditional class. Also, the percentage of students who sent content-related messages was much higher in the active learning class than in the traditional class. Finally, content-related messages from students in the active learning class were generally more thoughtful and insightful than those from students in the traditional class.  相似文献   

12.
Numerous studies have affirmed the value of asynchronous online communication as a learning resource. Several investigations, however, have indicated that discussions in asynchronous environments are often neither interactive nor coherent. The research reported sought to develop an enhanced understanding of interactional coherence, argumentation, and topic drift in asynchronous learning environments. Rhetorical structure theory (RST) was used to analyze and assess the coherence of several asynchronous discussions. Findings include that asynchronous discussions take the form of dynamic rhetorical structures which are continuously redefined as new messages are added to a thread, that argumentation may be more prevalent in some discussions than others, that topic drift does not seem to occur as a matter of chance, but rather topics are manipulated to suit the individual preferences of the participants, and that the use of threading differs considerably from one discussion group to another. By demonstrating the applicability of RST, argumentative analysis, and topic drift analysis to asynchronous discussion, this research provides a framework and a terminology for fine-grained analysis of interactional coherence. By showing the applicability of RST to asynchronous discussion, this study has offered evidence that essay assessment technology could be developed for evaluating the quality of online discussions. The development of rhetorical networks as a graph theory for representing the semantics of asynchronous interaction could lead to a richer knowledge representation technology for inter-agent collaboration.  相似文献   

13.
This paper reports an investigation of the impact of students’ cognitive style on their effective use of educational text‐based computer‐mediated conferences. The research centres on an empirical study involving students from three courses run by the British Open University. Statistical analysis of the data does not suggest that cognitive style has a strong influence on student participation in the conference, but does suggest that, contrary to expectations, ‘imagers’ may send more messages to conferences than ‘verbalisers’. The data also suggest a possible link between certain cognitive styles and course completion, and that the interaction of different styles within a group, as described by Riding and Rayner's (1998 ) team roles, may have an indirect influence on task completion.  相似文献   

14.
In this study, we examine the development of referential communicative regulation, incorporating the Vygotskian notion of private speech. From this perspective, private speech may serve a regulatory role when the child speaker is focused on what to say when speaking to others. In a longitudinal study carried out with 10 pairs of children with a mean age of 4.5, 6.5, and 8.5 years, we analyzed the relationship between the capacity of the child in the speaker role to modify messages, increasing their informative quality, the presence of private speech embedded in the messages, and the emergence of prior questions by the child in the listener role aimed at clarifying some aspect of the message. We found that the number of modified messages, the mean frequency of private speech in the messages, and the number of peer's questions all increase with age. Only in the case of the modified messages by the speaker did we find a triple interaction among age, use of private speech, and the presence of peer's questions. At 8.5 years, the presence of peer's questions and subsequent use of private speech appeared together for the majority of the modified messages. This was not the case at the ages 4.5 or 6.5. In line with Vygotsky's theses, private speech would play an important role to allow communicators to reflect on the quality of their communicative utterances, and to modify and improve them accordingly. In this process, the capacity to improve message accuracy by coordinating private speech with peer questioning clearly emerges with age.  相似文献   

15.
In this study we empirically investigate the claim that articles published in computer science education journals are more methodologically sound than articles published in computer science education conference proceedings. A random sample of 352 articles was selected from those articles published in major computer science education forums between 2000 and 2005. Each article was then coded in terms of five indicators of methodological quality. It was found that there were no practically or statistically significant differences between the articles published in journals and those published in conference proceedings on any of the indicators of methodological quality. One implication of this finding is that those who evaluate the academic output of computer science education researchers should be wary of arbitrarily prescribing more academic merit to journal publications than conference publications.  相似文献   

16.
Difficulties in students’ understanding of the spherical model of the Earth have been shown in previous studies. One of the reasons for these difficulties lies in beliefs and preliminary knowledge that hinder the interpretation of the scientific knowledge, the other reason may lie in the low level of verbal and visuo-spatial abilities. The study aims to investigate the effect of verbal and visuo-spatial abilities, but also that of preliminary knowledge on the later development of the knowledge of the Earth in school. 176 schoolchildren (96 boys and 80 girls) from five schools were tested; the mean age of the children during the first interview was seven years and eight months. All students were interviewed twice – in grades 1 and 2, before and after they had learnt the topic in school. Factual, scientific and synthetic knowledge was assessed. The facilitative effect of visuo-spatial and verbal abilities and preliminary factual and scientific knowledge on students’ knowledge of astronomy after having learnt the topic in school was shown. In contrast, the hindering effect of synthetic knowledge was not found.  相似文献   

17.
ABSTRACT

In this article, we use a model for games and literacy to explore how one FIFA gamer worked across contexts. Previously, this model has been used to address the role of computer and video games in the teaching of literacy in the subject of English. In the current article, we combine this model with a learning lives perspective, which builds on the idea of following the learner across a wide range of contexts. The findings illustrate how one learner is able to research a specific topic, build a convincing argument for it and transfer knowledge from one source to another in a critical way. The knowledge of a game and its culture and the world around the game is prevalent in a gamer’s literacy practices out of school, and this is shown when our participant draws upon this knowledge in literacy practices for specific tasks in school.  相似文献   

18.
The title of the 2014 Australian Teacher Education Association (ATEA) conference was Teacher Education, An Audit: Building a platform for future engagement. One of the conference themes was Professional Experience: What works? Why? I seized upon this theme and the title of the conference as it afforded me an opportunity to do an audit of my research in professional experience over the last 25 years. This article presents this evidence base and the messages I have taken from this evidence. I have done this in the hope that, by collating some of the insights gained from the past and the present, it will help to “build a platform for future engagement” in professional experience. In preparing this article I was asked by the Editors to reflect also on how I developed my distinctive line of inquiry and expertise in relation to the practicum across an extended period. These reflections are included. I hope they will support university-based teacher educators in enhancing their satisfaction and achievements from working in this stimulating and provocative field of study.  相似文献   

19.
首届"京师数学新课程教学与评价会议暨北京师范大学数学科学学院课程教材研究中心成立大会"于2019年10月18-21日在北京师范大学成功召开.来自全国高校、教育行政机构、教育出版社、中小学校、教研机构等共计七百余名代表参加了会议.会议围绕数学核心素养导向的课程、教材、教学与评价等关键议题,特邀大会报告9项,组织专题工作坊3场、分组报告112项、研究者论坛3场,这为新时代以数学课程教材建设为抓手,助推中国特色先进水平数学教育发展提供启示.  相似文献   

20.
During the on-line conference, Applications of Technology in Teaching Chemistry, June 14-August 20, 1993, the topic What Chemists (or Chemistry Students) Need to Know About Computing generated considerable discussion. In this paper some of the key points of the discussion are collected and integrated with information from the literature. The key points developed here include: the computer as a tool for learning study, research, and communication; hardware, software, computing concepts and other teaching concerns; and the appropriate place for chemistry computer usage instruction. Some suggestions for access, implementation, and extent of implementation of useful skills for the chemist and chemistry student are given in the paper. The papers, graphics, discussion streams, and related materials from the on-line conference have been archived. Information on retrieving these documents and the documents themselves can be obtained through anonymous ftp: inform.umd.edu, Path: /Educational Resources/Faculty Resources and Support/Chemistry Conference (CHEMCONF).  相似文献   

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