The Effects of Computer Mediated Communication on the Processes of Communication and Collaboration

This thesis investigates the effects of computer-mediated communication upon collaborative problem solving. The results of three studies are presented, which explore the range of channels of communication afforded by two dissimilar forms of computer-mediated communication. The first study explores the effects of an interactive text-based form of computer-mediated communication, which provides users with a very restricted range of channels. Studies two and three examine the effects of collaborating in a video-mediated context, a technologically sophisticated communication system that affords an array of channels of communication more similar to face-to-face interactions. The effects of these communicative contexts are assessed using a multi-faceted approach. This method of evaluation is based upon analysis of task performance, the structure of the interactions, and measures of the process and content of communication. The findings show that the novice users of these computer-mediated contexts can achieve effective communication and collaboration, but the ease and pace with which this is accomplished varies with communicative context. Users of the highly constrained text-based system initially performed less well on the collaborative tasks, but with experience adapted to the context in appropriate ways. Participants in the video-mediated conditions appeared to adjust quickly to this context. Subtle differences in the structure, process and content of their interactions show that they also had to make allowances for the restraints imposed by the technologically mediated context. These results are discussed within the frame-work of a collaborative model of communication

Activating Boxmind: an evaluation of a web‐based video lecture with synchronized activities

The aim of this study was to evaluate the use of synchronous computer‐mediated communication activities in a video e‐lecture. Previous research has reported that learning is facilitated when communication activities are added to a video lecture. Twelve postgraduate students participated in the study and they viewed a video e‐lecture on the perspective‐taking theory of communication. The lecture consisted of a video image of the lecturer, an audio track, slides, the transcript and a number of communication activities. They were given a pre‐test a week before the lecture and a post‐test a week after. They were also asked to rate the helpfulness of various aspects of the lecture. Students’ post‐test scores were statistically significantly higher than their pre‐test scores. They found the audio track, transcript, slides and activities helpful. The most helpful aspects were the communication activities. The implications of these findings are discussed

Evaluation Factors for Multi-Stakeholder Broadband Visual Communication Projects

This paper presents a summary of multifaceted evaluation factors that we have identified through our research with Broadband Visual Communication (BVC) projects involving multiple stakeholders. The main benefit of these evaluation factors is that they provide a general evaluation framework for multiple stakeholder projects. The factors are social infrastructure, technical infrastructure, physical space, interaction style and content

Rethinking presence: a grounded theory of nurses and teleconsultation

Aims and objectives: To develop a theory that offered an evidence-based insight into the use of teleconsultation by nurses. Background: Teleconsultation is the use of video to facilitate real-time, remote interaction between healthcare practitioners and patients. Although its popularity is growing, there is little understanding of how teleconsultation impacts on the role of nurses. Design: The study adopted a constructivist grounded theory method, supplemented by the use of Straussian analytical approaches. Methods: Using selective and theoretical approaches, registered nurses with experience of using video in health care were sampled. Data were collected using semi-structured interviews exploring experiences, knowledge and feelings surrounding teleconsultation. Interviews were recorded, transcribed and subjected to three-stage, nonlinear manual analysis (open, axial and selective coding). Results: Theoretical saturation occurred after 17 interviews. The core category identified from the data was ‘nursing presence’ Four subcategories of nursing presence were identified: operational, clinical, therapeutic and social. The degree to which presence could be achieved was dependent upon three influencing factors – enablers, constraints and compensation. Conclusions: Nurses provide different types of presence during teleconsultation, with the degree of presence dependent on specific characteristics of video-mediated communication. Where the use of video constrains the delivery of presence, nurses use a range of compensatory mechanisms to enhance patient care. Relevance to clinical practice: Teleconsultation provides an innovative approach to enhancing the delivery of health care. This study provides nurses with insight into the impact of teleconsultation on their professional role, and an understanding of how best to use video-mediated communication to support patient care

A review of the empirical studies of computer supported human-to-human communication

This paper presents a review of the empirical studies of human-to-human communication which have been carried out over the last three decades. Although this review is primarily concerned with the empirical studies of computer supported human-to-human communication, a number of studies dealing with group work in non-computer-based collaborative environments, which form the basis of many of the empirical studies of the recent years in the area of CSCW, are also discussed. The concept of person and task spaces is introduced and then subsequently used to categorise the large volume of studies reported in this review. This paper also gives a comparative analysis of the findings of these studies, and draws a number of general conclusions to guide the design and evaluation of future CSCW systems

Some Things Are Better Left Unseen: Toward More Effective Communication And Team Performance In Video-Mediated Interactions

By default, most video-mediated communication systems show the user his or her own video feed, yet there is no prior research to show if this helps or hinders communication. In general, virtual teams desire richer media to improve team interaction. However, in this case more information may not be helpful. Drawing on Objective Self Awareness theory in social psychology and theories of cognitive overload from communication, hypotheses are proposed concerning how viewing oneself influences virtual team interaction. It is argued that viewing oneself will lead to lower team performance and other negative outcomes. The hypotheses are tested in a laboratory experiment, manipulating whether participants were able to view their own feeds during video-mediated communication. The results suggest that viewing oneself leads to a reduction in team performance and individual satisfaction. The findings, in terms of several theoretical explanations, and implications for managers and systems designers are discussed in the paper

Spreading the virus : emotional tone of viral advertising and its effect on forwarding intentions and attitudes

iral advertising has attracted advertisers in recent years, yet little is known about how exactly it works from an information processing perspective. This study extends knowledge by exploring how the emotional tone (pleasant, unpleasant, coactive) of viral video ads affects attitude toward the ad, attitude toward the brand, and forwarding intentions. Results indicate that pleasant emotional tone elicits the strongest attitude toward the ad, attitude toward the brand, and intention to forward. The effects were weaker for coactive tone and weakest for negative emotional tone. These results challenge the common approach of shocking or scaring online users to motivate them to forward a viral video

A Randomized Controlled Trial of a Play-Based, Peer-Mediated Pragmatic Language Intervention for Children With Autism

Purpose: This randomized controlled trial evaluated the effectiveness of a play-based pragmatic language intervention for children with autism. Methods: A sample of 71 children with autism were randomized to an intervention-first group (n = 28 analyzed) or waitlist-first (n = 34 analyzed) group. Children attended 10, weekly clinic play-sessions with a typically developing peer, and parents mediated practice components at home. The Pragmatics Observational Measure (POM-2) and the Social Emotional Evaluation (SEE) evaluated pragmatics before, after and 3-months following the intervention. Results: POM-2 gains were greatest for intervention-first participants (p = 0.031, d = 0.57). Treatment effects were maintained at 3-month follow-up (p < 0.001–0.05, d = 0.49–0.64). POM-2 scores were not significantly different in the clinic and home settings at follow-up. Conclusion: Findings support the combination of play, peer-mediation, video-feedback and parent training to enhance pragmatic language in children with autism

The efects of peer corrective feedback trainning in face to face interaction and synchronousvideo-based computer-mediated comunication

Tesis (Profesor de Inglés para la Enseñanza Básica y Media y al grado académico de Licenciado en Educación)This quasi-experimental study was conducted in a private school, in Santiago, Chile, with four groups formed by 9th graders with the same L1 (Spanish) immersed in an EFL context. The purpose of the study was to examine ways in which the potential of peer interaction on learning is maximized. Specifically, the study examined two instructional techniques, both of which have been gaining increasing attention from second language acquisition researchers: (a) training learners how to correct each other (corrective feedback: CF), and (b) synchronous communicative interaction via video-based computer-mediated communication (SVCMC). Participants were divided into four groups depending on their experimental conditions. Group A (SVCMC+CF training) engaged in communicative peer interaction via SVCMC and received CF training. Group B (SVCMC-CF training) was given the same peer interaction tasks but did not receive any CF training. Groups C (FTF+CF training) and D (FTF-CF training) engaged in the same tasks in face-to-face in the classroom while only Group C received CF training. The intervention period lasted two weeks, consisting of four classes of 45 minutes for each of the four groups. The analysis involved (a) learners’ interactional behaviors, namely, language-related episodes, (b) their developmental outcomes with pre- and posttests focusing on past tense and locative usages, and (c) their perceptions based on exit questionnaire with close- and open-items. The results of this study reflected 3 main findings in peer interaction, corrective feedback, and SVCMC. With regard to interactional patterns (peer interaction), corrective feedback training promotes collaboration and so FTF environments, yet in SVCMC dominant patterns were more likely to arise. Meanwhile, CF training helped enhance learners’ language development as their results in the post-test were higher than in the pre-test and, in turn, SVCMC groups outperformed FTF groups. Concerning students’ perceptions, they overtly expressed positive beliefs regarding Peer Corrective Feedback and SVCMC activities. In short, clear differences were found among groups with different interventions resulting in distinct patterns, L2 development outcomes, and learner perceptions.Este estudio cuasi-experimental fue conducido en un colegio privado en Santiago de Chile, con cuatro grupos formados por estudiantes de primer año medio, cuya lengua nativa es el español. Los estudiantes estuvieron inmersos en un contexto EFL. El propósito del estudio fue examinar medios por las cuales el potencial de la interacción entre pares en el aprendizaje sea maximizado. Específicamente, este estudio examinó dos técnicas instructivas, las cuales han recibido recientemente atención paulatina de los investigadores en el campo de la adquisición de un segundo idioma: (a) capacitar a los estudiantes en como corregir a sus pares (retroalimentación), e (b) interacción comunicativa sincronizada a través de video conferencias (ICSV) mediadas por computadores. Los participantes fueron divididos en cuatro grupos según sus condiciones experimentales. El Grupo A (ICSV+ capacitación en retroalimentación) involucrado en interacción comunicativa— entre pares— a través de ICSV y recibieron instrucción en retroalimentación entre pares. Al Grupo B (ICSV – capacitación en retroalimentación) se le dio las mismas tareas, pero no recibió capacitación en retroalimentación. El Grupo C (cara a cara + capacitación en retroalimentación) y el Grupo D (cara a cara – capacitación en retroalimentación) participaron en las mismas tareas cara a cara en la sala de clases mientras que solo el Grupo C recibió capacitación en retroalimentación. El periodo de intervención fue de 2 semanas, compuesto de 4 clases de 45 min para cada uno de los grupos. Este análisis involucró (a) comportamientos interaccionales de los estudiantes, es decir, episodios relacionados con el lenguaje, (b) los resultados que reflejaron el desarrollo del lenguaje de los estudiantes fueron obtenidos mediante una evaluación previa a la intervención y otra posterior a la intervención; las evaluaciones se enfocaron en el uso del pasado simple y locativos, finalmente (c) las percepciones de los estudiantes obtenidas mediante un cuestionario de preguntas cerradas y abiertas. Los resultados de este estudio reflejaron 3 hallazgos principales en cuanto a interacción entre pares, retroalimentación, e ICSV. En cuanto a los patrones interacciónales (interacción entre pares), la retroalimentación y la comunicación cara a cara resultaron promover la colaboración, a diferencia de ICSV en la cual los patrones dominantes tuvieron más probabilidades de surgir. Mientras tanto, la capacitación en retroalimentación ayudó al mejoramiento del desarrollo del lenguaje de los estudiantes ya que sus resultados a lo largo de las evaluaciones pre y post presentaron un alza y, en consecuencia, los grupos que interactuaron a través de ICSV superaron a los grupos que interactuaron cara a cara. Tomando en cuenta las percepciones de los estudiantes, ellos expresaron abiertamente ideas positivas en cuanto a las actividades la capacitación en retroalimentación e ICSV. En resumen, diferencias claras fueron encontradas entre los grupos con diferentes intervenciones resultando en distintos patrones de interacción, resultados en el desarrollo del lenguaje, y percepciones de los estudiantes

Roles for trainers and trainees in computer-mediated courses

These days many people subscribe to the view that the teacher or teacher-trainer’s role should principally be that of facilitator, rather than “fountainhead of knowledge” Greater equality between trainers and trainees is regarded as beneficial to the learning process; it empowers trainees to select their own learning styles and question received wisdom, whilst it also permits trainers to step back from centre stage to a position where they can observe the learning process. Computer-mediated conferencing (cmc), apart from its value as a means of distance learning, offers opportunities for trainer-trainee equality that are unimaginable in the face-to-face classroom. Participants need not, and often, because of relative anonymity cannot, defer to those belonging to a more dominant age group, gender or race. Thus ideas and issues that might not be voiced in a conventional learning situation can find a forum. This article identifies and discusses the relevant design features of computer-mediated courses for pre-service and in-service teacher training, and discusses some of the strengths and weaknesses of a medium that offers participants a more equal voice