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Dissertations / Theses on the topic 'Synchronous group'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Tengroth, Anton, and Chi Vong. "Evaluation of a synchronous leader-based group membership protocol." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-144842.

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The group membership protocol is a mechanism that handle mobile nodes in a dynamic environment and provide and maintain these nodes in a membership. These nodes can, for instance, be seen as the increasing connected devices which lead to a more dynamic group of devices in systems like distributed systems. In this thesis, a synchronous leader-based group membership protocol (SLMP) is evaluated. By doing simulations where the SLMP gets to handle nodes joining and crashing in different frequencies in a noisy environment, while we vary the length of the timeout, the frequency of nodes joining and

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2

Tran, Minh Hong. "Supporting group awareness in synchronous distributed groupware framework, tools and evaluations /." Swinburne Research Bank, 2006. http://hdl.handle.net/1959.3/33398.

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Thesis (Ph.D) - Swinburne University of Technology, Faculty of Information & Communication Technologies, 2006.<br>A thesis submitted to Faculty of Information and Communication Technologies, Swinburne University of Technology for the degree of Doctor of Philosophy, 2006. Typescript. Bibliography p. 227-252.

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Tongchai, Nilubon. "Enhancing learning through opening the group model in a synchronous computer-based environment." Thesis, Connect to e-thesis, 2008. http://theses.gla.ac.uk/195/.

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Thesis (Ph.D.) - University of Glasgow, 2008.<br>Ph.D. thesis submitted to the Faculty of Education, Centre for the Support for Learning, University of Glasgow, 2008. Includes bibliographical references. Print version also available.

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4

Khazan, Roger Igor. "A one-round algorithm for virtually synchronous group communication in wide area networks." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/29235.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.<br>Includes bibliographical references (p. 159-165).<br>Group communication services, and especially those that implement Virtual Synchrony semantics, are powerful middleware systems that facilitate the development of fault-tolerant distributed applications. In this thesis, we present a high quality, theoretical design of a group communication service that implements Virtual Synchrony semantics and is aimed for deployment in wide-area networks (WANs). The design features a novel

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5

Ma, Zhenyu. "Semi-synchronous video for Deaf Telephony with an adapted synchronous codec." Thesis, University of the Western Cape, 2009. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_2950_1370593938.

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<p>Communication tools such as text-based instant messaging, voice and video relay services, real-time video chat and mobile SMS and MMS have successfully been used among Deaf people. Several years of field research with a local Deaf community revealed that disadvantaged South African Deaf&nbsp<br>people preferred to communicate with both Deaf and hearing peers in South African Sign Language as opposed to text. Synchronous video chat and video&nbsp<br>relay services provided such opportunities. Both types of services are commonly available in developed regions, but not in developing countries

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6

Wood, Kye Brennan. "THE IMPORTANCE OF FEEDBACK IN THE BLENDED CLASSROOM: A STUDY OF GROUP DISCUSSIONS." Oxford, Ohio : Miami University, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1250270862.

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7

Correa, Diego Paolo Ferruzzo. "Symmetric bifurcation analysis of synchronous states of time-delay oscillators networks." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/3/3139/tde-29122014-180651/.

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In recent years, there has been increasing interest in studying time-delayed coupled networks of oscillators since these occur in many real life applications. In many cases symmetry, patterns can emerge in these networks; as a consequence, a part of the system might repeat itself, and properties of this symmetric subsystem represent the whole dynamics. In this thesis, an analysis of a second order N-node time-delay fully connected network is made. This study is carried out using symmetry groups. The existence of multiple eigenvalues forced by symmetry is shown, as well as the possibility of un

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8

Johansson, Agnes, and Aleksandra Voronenko. "Creating a sense of normality : A quantitative study examining how a digital collaborative tool impacts students’ experiences in online synchronous group discussions." Thesis, Jönköping University, Tekniska Högskolan, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-53312.

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Purpose – The unexpected yet drastic influence of the COVID-19 pandemic resulted in a rapid transition of education to be conducted in digital environments. Replacing face-to-face classrooms with synchronous online learning requires a number of appropriate adjustments which were heavily restricted by the urgency of this global change taking place. With theobserved issues of student participation and involvement in online learning, the purpose ofthis research was to investigate the potential that digital collaborative tools have and if theycan improve the quality of online group discussions amo

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9

Vick, Rita Michele. "Development of shared mental models structuring distributed naturalistic decision making in a synchronous computer-mediated work environment /." Thesis, University of Hawaii at Manoa, 2003. http://proquest.umi.com/pqdweb?index=0&did=764748251&SrchMode=1&sid=5&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1233175424&clientId=23440.

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10

Lee, Kooi Cheng. "An investigation of the efficacy of face-to-face versus synchronous chat in the generation and development of written drafts in the EAP class." Thesis, University of Stirling, 2009. http://hdl.handle.net/1893/2322.

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The thesis is a study of the early stages of the writing cycle in an English for Academic Purposes (EAP) class at the University of Singapore. The study focuses on a group brainstorming activity prior to the stage of writing the first draft and on the impact of this activity on the students’ first individual drafts. In addition, the study compares two different modes of discussion: face-to-face and online synchronous chat. The comparison is concerned with the interactional patterns of the discussion in the two modes, and with the transfer of content from the discussion to the first written dra

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11

Aslan, Almoubayed Khaled. "Divergence awareness in distributed multi-synchronous collaborative systems." Nantes, 2012. http://www.theses.fr/2012NANT2066.

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12

Nagendra, Geetha. "An activity theoretical analysis of synchronous electronic discourse a case study /." Thesis, Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36776968.

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13

McCourt, Claire A. Williams Lawrence Frank. "Learner use of French second-person pronouns in synchronous electronic communication." [Denton, Tex.] : University of North Texas, 2008. http://digital.library.unt.edu/permalink/meta-dc-9753.

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14

Lam, Cam Le. "Perceived usability foster students interaction through online synchronous chat /." Access electronically, 2006. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20080401.144644/index.html.

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15

Lim, Hwee Ling. "Constructing learning conversations: a study of the discourse and learner experiences of online synchronous discussions." Thesis, Lim, Hwee Ling (2006) Constructing learning conversations: a study of the discourse and learner experiences of online synchronous discussions. PhD thesis, Murdoch University, 2006. https://researchrepository.murdoch.edu.au/id/eprint/159/.

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The aim of this qualitative case study is to gain greater insight into the impact of online synchronous (chat) interaction on the learning process from a sociocultural constructivist perspective in the context of an online undergraduate unit. Given the sparse research on the effectiveness of chat interaction in supporting knowledge construction processes, few appropriate analytical methods available for examining educational chat discourse, together with the pedagogical imperative to determine the extent to which the real-time computer-mediated communication (CMC) mode satisfies student learni

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Lim, Hwee Ling. "Constructing learning conversations : a study of the discourse and learner experiences of online synchronous discussions /." Lim, Hwee Ling (2006) Constructing learning conversations: a study of the discourse and learner experiences of online synchronous discussions. PhD thesis, Murdoch University, 2006. http://researchrepository.murdoch.edu.au/159/.

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The aim of this qualitative case study is to gain greater insight into the impact of online synchronous (chat) interaction on the learning process from a sociocultural constructivist perspective in the context of an online undergraduate unit. Given the sparse research on the effectiveness of chat interaction in supporting knowledge construction processes, few appropriate analytical methods available for examining educational chat discourse, together with the pedagogical imperative to determine the extent to which the real-time computer-mediated communication (CMC) mode satisfies student learni

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17

Rassau, Anoushka. "Effects of synchronous chat-based on-line cognitive behavior therapy on study related anxiety and behavior." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2001. https://ro.ecu.edu.au/theses/1067.

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Very little research is currently available about therapy conducted in chat-based Internet environments. Most of the existing research concerns therapy delivered via email or on-line support groups. For this reason, this review first presents an overview of literature concerning practical issues relevant to Internet-based therapy in general and then presents a review of the research that is available regarding therapy provided in chat-based Internet environments. The literature reviewed in this paper has been obtained from several on-line databases and Internet search engines. The available re

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18

Billings, Don, Mei Wei, Joseph Leung, Michio Aoyagi, Fred Shigemoto, and Rob Honeyman. "REAL-TIME INTEGRATION OF RADAR INFORMATION, AND GROUND AND RADIOSONDE METEOROLOGY WITH FLIGHT RESEARCH DATA." International Foundation for Telemetering, 1998. http://hdl.handle.net/10150/607368.

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International Telemetering Conference Proceedings / October 26-29, 1998 / Town & Country Resort Hotel and Convention Center, San Diego, California<br>Although PCM/TDM framed data is one of the most prevalent formats handled by flight test ranges, it is often required to acquire and process other types. Examples of such non-standard data types are radar position information and meteorological data from both ground based and radiosonde systems. To facilitate the process and management of such non-standard data types, a micro-processor based system was developed to acquire and transform them

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19

Peng, Kuan. "Comportement d'une butée de groupe turbo-alternateur : aspects théoriques et expérimentaux." Châtenay-Malabry, Ecole centrale de Paris, 1989. http://www.theses.fr/1989ECAP0093.

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20

McCourt, Claire A. "Learner use of French second-person pronouns in synchronous electronic communication." Thesis, University of North Texas, 2008. https://digital.library.unt.edu/ark:/67531/metadc9753/.

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This study analyzes students' use of the French second-person pronouns tu (T) and vous (V) in small-group (2-3 students) inter-learner online chat sessions. The influence of internal linguistic factors (i.e., turn type and morphosyntactic environment) on learners' appropriate vs. inappropriate use of these pronouns is considered. The study also investigates the influence of Instructional Level on tu-vous use and the extent to which students from different instructional levels provide various types of peer assistance (e.g., lexical, morphosyntactic, and sociolinguistic/pragmatic) . Pronoun use

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21

Heuser, Aden Elizabeth. "An Examination of the Use of Synchronous Computer-Mediated Communication Technology in Work Teams." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1258424936.

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22

Katakalos, George. "Problems of communication, collaboration and cooperation in multicultural groups engaged in e-learning through synchronous text-based communication." Thesis, University of Sheffield, 2012. http://etheses.whiterose.ac.uk/14663/.

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Research Aim: This PhD thesis is focused on investigating whether culture can pose conflicts to the communication, collaboration and/or cooperation of multicultural groups comprised by students coming from South East Europe (SEE) and studying in Greece, by using synchronous text-based chat. Thus, this PhD attempts to answer the following research question: "Are there problems of communication, collaboration and cooperation in multicultural groups engaged in eLearning activities by using synchronous text-based communication?" Methodology: In order to investigate the existence of cultural confli

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23

Park, Min-A. "A comparison of synchronous and asynchronous legislative session groups in the study of satisfaction and task performance within the use of GSS /." Full text available from ProQuest UM Digital Dissertations, 2009. http://0-proquest.umi.com.umiss.lib.olemiss.edu/pqdweb?index=0&did=1917287861&SrchMode=1&sid=8&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1278701822&clientId=22256.

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Thesis (Ph.D.)--University of Mississippi, 2009.<br>Typescript. Vita. "July 2009." Major professor: Dr. Milam Aiken Includes bibliographical references (leaves 90-100). Also available online via ProQuest to authorized users.

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24

Al-Rashdan, Omar. "L'emploi variable des signes diacritiques dans le français tchaté : une étude variationniste en temps apparent." Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc28382/.

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After providing an historical overview of the French spelling system and orthographic variation, this study analyzes selected internal (i.e., linguistic) factors and one external (i.e., social) factor that can influence the use of diacritics in online French-language chat sessions. From a corpus of synchronous computer-mediated communication, 3,855 tokens of graphemes capable of bearing diacritics were coded with the following scheme: Letter, Diacritic, Grapheme (i.e., Letter and Diacritic combined), Date of Participation, and Age Group of Participant. A multivariate (VARBRUL) analysis determi

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25

Bolshakova, Veronika. "Digital approach to AEC synchronous co-located collaboration : use of 4D and Lean planning for collective and interactive decision-making." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0222.

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Cette recherche dans le domaine de l'architecture, de l'ingénierie et de la construction se concentre sur le Building Information Modeling/ Management (BIM) et la collaboration multidisciplinaire. Au cours des dernières décennies, l'industrie a subi divers changements induits par le développement de technologies et d'outils de travail numériques. L'intégration des approches innovantes telles que le BIM, le Lean construction et l'Integrated Project Delivery (IPD) entraînent des changements de paradigme et des transformations des méthodes de conception, de construction et de gestion. Une synergi

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26

Verez, Guillaume. "Contribution à l’étude des émissions vibro-acoustiques des machines électriques : cas des machines synchrones à aimants dans un contexte automobile." Thesis, Le Havre, 2014. http://www.theses.fr/2014LEHA0024/document.

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Dans un contexte automobile électrique et hybride, la part des machines synchrones à aimants permanents s'est accrue exponentiellement. Cette évolution s'accompagne d'exigences en termes d'émissions vibro-acoustiques. En termes de dimensionnement de la chaîne de traction, l'analyse multiphysique du moteur s'avère être un enjeu crucial pour son développement. La nécessité de disposer de codes informatiques de conception possédant des temps de calcul faibles pour une précision maximale se fait ressentir pour l'exploration de solutions potentiellement performantes dans les premières étapes du pro

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Kheloui, Abdelaziz. "Contribution à la modélisation et à la commande d'ensembles convertisseurs statiques - machines synchrones de fortes puissances." Vandoeuvre-les-Nancy, INPL, 1994. http://www.theses.fr/1994INPL142N.

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L’objet de cette thèse est l'étude des problèmes de modélisation en vue de la simulation et de la commande d'ensembles convertisseurs statiques machines synchrones de forte puissance. Concernant la simulation numérique, l'accent a été mis sur l'amélioration des modèles de machines synchrones, en général, et de machines synchrones à double étoile, en particulier, en prenant en considération la saturation magnétique. Dans cette optique, un modèle de type circuit, basé sur la représentation de Park, a été élaboré. La modélisation adoptée tient compte de l'effet croisé de saturation à partir de la

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Sidi, Babe Ahmed Sidia. "Modélisation électromagnétique par la méthode des transformations conformes d’une machine de traction synchrone à rotor bobiné en vue de l’étude de sources de bruit magnétique." Electronic Thesis or Diss., Compiègne, 2023. http://www.theses.fr/2023COMP2756.

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Les travaux de ce mémoire portent sur la modélisation électromagnétique analytique de la machine synchrone à rotor bobiné (MSRB). Cette machine est utilisée pour la traction automobile des véhicules électriques du constructeur Renault. Afin de conserver les atouts de confort et de satisfaction client, les moteurs électriques conçus pour ces véhicules doivent être silencieux. Ainsi, la compréhension et la maîtrise des origines du bruit magnétique ainsi que sa réduction sont indispensables en phase de prédimensionnement de ces moteurs électriques. C’est dans ce cadre que s’inscrivent ces travaux

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Bendjoua, Jamel. "Contribution à l'étude de l'alimentation des machines électriques de fortes puissances : minimisation des ondulations de couple lors de l'alimentation par cycloconvertisseur." Vandoeuvre-les-Nancy, INPL, 1995. http://www.theses.fr/1995INPL119N.

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Ce travail porte sur la modélisation, la simulation, la commande du système cycloconvertisseur-machine synchrone et asynchrone et de la comparaison de leurs performances en terme d'ondulation de couple électromagnétique. On montre que la machine synchrone permet, en statique, d'avoir un couple moins ondulé. Par contre, la machine asynchrone présente un meilleur comportement dynamique lors du démarrage. Afin de limiter les harmoniques provoqués par le temps mort de sécurité, une deuxième horloge permettant d'imposer la durée du palier nul à une valeur fixe est proposée. Enfin, dans le but de ré

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30

David, Alain. "Insensibilisation des convertisseurs de fréquence aux creux et coupures de tension." Cachan, Ecole normale supérieure, 1993. http://www.theses.fr/1993DENS0009.

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Les convertisseurs de fréquence pour machine asynchrone sont en fort développement depuis une dizaine d'années. Cette structure s'avère cependant très sensible aux creux et coupures brèves de tension du réseau d'alimentation. Ces perturbations peuvent occasionner une perte de contrôle du convertisseur, entrainant, le plus souvent, un arrêt total du système, avec un redémarrage rarement automatique de l'équipement au retour de l'alimentation. Ces arrêts impromptus sont problématiques et couteux pour beaucoup d'applications industrielles. De nouvelles stratégies de commande du convertisseur pour

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31

Huang, Chen-Chia, and 黃成嘉. "Design A Synchronous Guidance System For Rotorcraft Group Control." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/56640893106844673998.

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碩士<br>健行科技大學<br>電子工程系碩士班<br>104<br>This paper develops a rotor cluster synchronization control system, cluster synchronization control technology is based on the frequency, number of channels and objects.This system is based on Arduino microprocessor and nRF24L01 RF modules for major components, control system design. Using Arduino microprocessor as the transmitting and receiving ends of processors, matching nRF24L01 RF transceiver and electronic positioning gyro sensor and GPS module to form a system of wireless transceiver channels, automatic balancing and automatic return performance.Contr

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32

Yu, Wen-Chi, and 游文吉. "A Two-level Scheduling for Supproting Virtually Synchronous Group Communications." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/22127044046497352414.

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碩士<br>國立中正大學<br>電機工程研究所<br>87<br>To develop versatile multimedia distributed applications (e.g., videoconferencing systems), many problems, such as integrated control and management, concurrency control, fault tolerant distributed computing, etc., should be dealt with. The core solution to these problems is the group communication. Most of the existing group communication protocols are designed to resolve total ordering and/or causal ordering issues. These protocols adopt the passive approach that first specifies the order of the message with timestamp or sequence number at sending ends and th

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33

Keller-Lally, Ann Marie. "Effect of task-type and group size on foreign language learner output in synchronous computer-mediated communication." Thesis, 2006. http://hdl.handle.net/2152/2551.

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Wu, Huei-Yi, and 吳蕙怡. "The Impacts of Group Characteristics and Size on Collaborative Learning under the Synchronous Discussion of a Distance Learning System." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/69184156420989724632.

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碩士<br>淡江大學<br>資訊管理學系<br>91<br>As the maturity of information technology development and the proliferation of Internet applications, accumulated knowledge with the help of those technologies can be quickly distributed all over the world. Distance learning, already at its prosperous stage, utilizes these technology trends to unlash the limitation of time and space in traditional classroom. Meanwhile, it brings about the problem of deficiency in interacting and exchanging views with their peers. Thus, the objective of this research, by observing the interaction among group members, is to investig

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Beth, Alicia Dawn Schallert Diane L. ""Somewhere between repartee and discourse" students' experiences of a synchronous, computer-mediated discussion /." 2004. http://repositories.lib.utexas.edu/bitstream/handle/2152/1877/bethad042.pdf.

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Beth, Alicia Dawn. ""Somewhere between repartee and discourse": students' experiences of a synchronous, computer-mediated discussion." Thesis, 2004. http://hdl.handle.net/2152/1877.

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Burke, Kelly. "Development processes and performance in groups using an electronic meeting system : a comparison of face-to-face, synchronous and asynchronous meeting environments." Thesis, 1994. http://hdl.handle.net/10125/9541.

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