An exploratory investigation of two internet-based communication modes

Instant messaging (IM) was first introduced in the late 1990s. It has a relatively short history of adoption compared to other electronic media such as e-mail. In the first few years, the majority of IM users were teenagers. Only a relatively small portion of adult Internet users used IM. Recently as the young IM users gradually enter the workforce, an increasing popularity of IM among working professionals is expected. Consequently, the use of IM in the workplace for job-related task becomes more likely. The potential impact of IM will also become a more important organizational issue. This study compares the use of IM versus e-mail as the communication tool to facilitate group task for geographically dispersed teams. An experiment using 44 teams in the United States was conducted. The results show that teams using e-mail are more effective in terms of generating ideas than teams using IM. There are no significance differences between the two communication methods, in terms of task difficulty, playfulness, and ease of use.     

The effectiveness of synchronous computer-mediated communication for solving hidden-profile problems: Further empirical evidence

We experimentally compared the effectiveness of face-to-face (FTF) and synchronous computer-mediated communication when using a chat tool in solving hidden-profile business problems. In such problems, information critical to its solution is dispersed among team members and they must share it to solve the problem. Unlike prior research using hidden-profile tasks, our study used a real-world business-oriented task, established real rather than ad hoc teams, and imposed a time constraint on them. Hypotheses derived from media richness theory were found to be supported, with the results revealing that computer-mediated teams using the chat tool were less successful in exchanging and processing information than FTF teams and were thus less successful at solving the hidden-profile problem. The results also showed that, when operating under a time constraint, FTF was preferred over computer-mediated communication due to the relative immediacy of feedback and multiplicity of cues available in the FTF setting, as media richness theory predicted.     

Behavioral performance and visual attention in communication multitasking: A comparison between instant messaging and online voice chat

Participants carried out a visual pattern-matching task on a computer while communicating with a confederate either via instant messaging (IM) or online voice chat. Communicating with a confederate led to a 50% drop in visual pattern-matching performance in the IM condition and a 30% drop in the voice condition. Visual fixations on pattern-matching were fewer and shorter during the communication task and a greater loss of fixations was found in the IM condition than the voice condition. The results, examined within a threaded cognition framework, suggest that distributing the work between the audio and visual channels reduces performance degradation. Implications for media literacy and distracted-driving are discussed.     

Training to improve virtual team communication

Abstract. Organizations are utilizing virtual teams, comprising workgroup members who communicate and collaborate with technology, to accomplish tasks. These teams are geographically distributed and communicate via computer-mediated communication systems (CMCS), and may never or rarely meet face-to-face. Relational links among team members have been found to be a significant contributor to the effectiveness of information exchange in the use of CMCS. In most cases, team members receive little or no training to improve the effectiveness of this form of communication. When training is used, it often focuses on software utilization skills, not on interpersonal communication dynamics. This paper discusses the effect of virtual team communication training on group interactions, especially for enhancing these relational links and thereby improving communication and information exchange in virtual teams. It was found that teams that were given appropriate training exhibited improved perceptions of the interaction process over time, specifically with regard to trust, commitment and frank expression between members. Discussion of the role of training on virtual team processes and outcomes is discussed and future research implications are presented.     

Exploring the effects of trust,task interdependence and virtualness on knowledge sharing in teams

The sharing of knowledge within teams is critical to team functioning. However, working with team members who are in different locations (i.e. in virtual teams) may introduce communication challenges and reduce opportunities for rich interactions, potentially affecting knowledge sharing and its outcomes. Therefore, using questionnaire‐based data, this study examined the potential effects of different aspects of virtuality on a knowledge‐sharing model. Social exchange theory was used to develop a model relating trust to knowledge sharing and knowledge sharing to team effectiveness. The moderating effects of virtuality and task interdependence on these relationships were examined. A strong positive relationship was found between trust and knowledge sharing for all types of teams (local, hybrid and distributed), but the relationship was stronger when task interdependence was low, supporting the position that trust is more critical in weak structural situations. Knowledge sharing was positively associated with team effectiveness outcomes; however, this relationship was moderated by team imbalance and hybrid structures, such that the relationship between sharing and effectiveness was weaker. Organizations should therefore avoid creating unbalanced or hybrid virtual teams.     

Working with tweets vs. working with chats: An experiment on collaborative problem solving

This papers aims to explore how “working with tweets” differs from “working with chats”. With eight experimental sessions involving 120 Italian students, we investigate how the well known 140-characters limit and other subtle differences between Twitter and a typical instant messenger affect group problem solving performances. In our laboratory experiment, teams of the same size carry out a problem solving task communicating via Twitter or Skype instant messaging. Comparative group performance is measured in terms of successful task completion time. Our results show that the lower number and volume of text messages exchanged via Twitter does not negatively affect group performance: Twitter teams are just as effective as Skype instant messaging teams. These results can be interpreted in accordance with the latest developments in multiple media choice and virtual team effectiveness theories, disclosing interesting windows of opportunities for “working with tweets” in the forthcoming organizational settings.     

Leveraging temporal and spatial separations with the 24-hour knowledge factory paradigm

The 24-H Knowledge Factory facilitates collaboration between geographically and temporally distributed teams. The teams themselves form a strategic partnership whose joint efforts contribute to the completion of a project. Project-related tasks are likewise distributed, allowing tasks to be completed on a continuous basis, regardless of the constraints of any one team’s working hours. However, distributing a single task between multiple teams necessitates a handoff process, where one team’s development efforts and task planning are communicated from one team ending their shift to the next that will continue the effort. Data management is, therefore, critical to the success of this business model. Efficiency in data management is achieved through a strategic leveraging of key tools, models, and concepts.     

Dissecting emotion and user influence in social media communities: An interaction modeling approach

Human emotion expressed in social media plays an increasingly important role in shaping policies and decisions. However, the process by which emotion produces influence in online social media networks is relatively unknown. Previous works focus largely on sentiment classification and polarity identification but do not adequately consider the way emotion affects user influence. This research developed a novel framework, a theory-based model, and a proof-of-concept system for dissecting emotion and user influence in social media networks. The system models emotion-triggered influence and facilitates analysis of emotion-influence causality in the context of U.S. border security (using 5,327,813 tweets posted by 1,303,477 users). Motivated by a theory of emotion spread, the model was integrated in an influence-computation method, called the interaction modeling (IM) approach, which was compared with a benchmark using a user centrality (UC) approach based on social positions. IM was found to have identified influential users who are more broadly related to U.S. cultural issues. Influential users tended to express intense emotions of fear, anger, disgust, and sadness. The emotion trust distinguishes influential users from others, whereas anger and fear contributed significantly to causing user influence. The research contributes to incorporating human emotion into the data-information-knowledge-wisdom model of knowledge management and to providing new information systems artifacts and new causality findings for emotion-influence analysis.     

The contingent effects of leadership on team collaboration in virtual teams

Decision-making in virtual teams creates challenges for leaders to structure team processes and provide task support. To help advance our knowledge of leadership in virtual teams, we explore the interaction effects between leadership styles and media richness on task cohesion and cooperative climate, which in turn influence team performance in decision-making tasks. Results from a laboratory study suggest that transactional leadership behaviors improve task cohesion of the team, whereas transformational leadership behaviors improve cooperative climate within the team which, in turn, improves task cohesion. However, these effects of leadership depend on media richness. Specifically, they occur only when media richness is low. Our results also suggest that task cohesion leads to group consensus and members’ satisfaction with the discussion, whereas cooperative climate improves discussion satisfaction and reduces time spent on the task.     

On the Need for Mixed Media in Distributed Requirements Negotiations

Achieving agreement with respect to software requirements is a collaborative process that traditionally relies on same-time, same-place interactions. As the trend toward geographically distributed software development continues, colocated meetings are becoming increasingly problematic. Our research investigates the impact of computer-mediated communication on the performance of distributed client/developer teams involved in the collaborative development of a requirements specification. Drawing on media-selection theories, we posit that a combination of lean and rich media is needed for an effective process of requirements negotiations when stakeholders are geographically dispersed. In this paper, we present an empirical study that investigates the performance of six educational global project teams involved in a negotiation process using both asynchronous text-based and synchronous videoconferencing-based communication modes. The findings indicate that requirement negotiations were more effective when the groups conducted asynchronous structured discussions of requirement issues prior to the synchronous negotiation meeting. Asynchronous discussions were useful in resolving issues related to uncertainty in requirements, thus allowing synchronous negotiations to focus more on removing ambiguities in the requirements.     

Standardizing the narrative of use cases: A controlled vocabulary of web user tasks

ContextFor user interfaces design, the use of appropriate terminology in writing use case narratives may determine the effectiveness of the design process, facilitating communication within multidisciplinary web development teams and leading to agreed designs.ObjectiveThis paper proposes a user task vocabulary for web user interface design. This vocabulary compiles terms related to the use of web applications, regardless of the application domain, as a way of standardizing the terminology used in the elaboration of use case narrative. The use of the vocabulary would help to reduce misunderstandings within multidisciplinary web development teams.MethodThe construction of the vocabulary is based on the combination of both committee and empirical approaches. Committee approaches rely on experts in designing web applications, while empirical ones are focused on analyzing content objects, such as interaction design patterns and use case narratives.ResultsThe final version of the monolingual controlled vocabulary of web user tasks compiles a total of 40 tasks; each of them has a key term and a definition of the interaction carried out by users. Additionally, 41 semantic relationships were collected and represented as synonyms. The vocabulary has been assessed through an expert evaluation, proving its correctness and completeness, and an usability evaluation checking the efficacy of the vocabulary.ConclusionThe language employed in use case narratives can determine the value of use cases for designing user interfaces. The usage of a controlled vocabulary may allow designers to elaborate unambiguous use case narratives as a way of creating consistent task models for designing web user interfaces.     

模糊环境中工作流任务分配的多级模型

对工作流实例中各用户型任务进行自动优化分配是提高工作流管理系统运行效率的关键技术之一 .在详细分析了影响用户型任务分配的多种因素及其语意模糊性后,提出了一个可组合的任务分配多级模型以及相应的任务分配方法,详细讨论了具有自适应能力的影响因素权重设计方法 .最后,通过与其他任务分配方法对比,分析了该任务分配方法的性能 .     

基于PCTBTA任务模型的用户界面开发方法

为了适应普适计算环境中用户、设备、使用环境和开发平台的多样性,基于模型的方法被应用于用户界面开发过程中,试图在抽象层次上描述界面,通过模型转换,使其适用于不同的平台.然而,由于目前基于模型的用户界面开发方法（model-based user interface development,简称MBUID）中所采用任务模型的局限性,致使生成的界面难以满足动态环境下用户的可用性需求.提出一种基于任务模型的用户界面开发框架,旨在建模和生成有效、高效、令用户满意的用户界面.在可用性方面,为了准确描述普适计算环境中用户任务,提出一种基于感知控制理论的任务分析方法（perceptual-control-theory-based task analysis,简称PCTBTA）,将使用上下文信息引入到任务分析过程中,并且在较高的抽象层次上反映交互的内容,给可用性设计提供任务空间;在技术方面,为PCTBTA任务模型向界面模型的转换提供技术支持.最后,通过实例说明所提出方法的可行性,并通过与其他方法在可用性和性能方面的比较,表明该方法的有效性.     

Innovative Entrepreneurial Teams: The Give and Take of Trust and Conflict

Entrepreneurship research lacks empirical evidence about interactions between entrepreneurial team members . This paper examines the role of trust ( cognitive and affective ) and conflict ( task and relationship ) on team performance ( effectiveness and efficiency ) of innovative entrepreneurial teams . Data originated from 88 incubator‐based entrepreneurial teams in Austria . Results indicate that cognitive trust is the cornerstone of innovative entrepreneurial team performance . To maximize efficiency , such teams would rely on high cognitive trust and low task conflict . Nonetheless , the guidelines for being effective centre around high cognitive trust coupled with low task and relationship conflict .     

Can students really multitask? An experimental study of instant messaging while reading

Students often “multitask” with electronic media while doing schoolwork. We examined the effects of one form of media often used in such multitasking, instant messaging (IM). We predicted that students who engaged in IMing while reading a typical academic psychology passage online would take longer to read the passage and would perform more poorly on a test of comprehension of the passage. Participants were randomly assigned to one of three conditions (IM before reading, IM during reading, or no IM). We found that students took significantly longer to read the passage when they IMed during reading (not including time taken to IM) than in other conditions. However, test performance did not differ by condition. Students who are managing busy lives may think they are accomplishing more by multitasking, but our findings suggest they will actually need more time to achieve the same level of performance on an academic task.     

Information Alignment and Task Coordination in Organizations: An 'Information Clutch' Metaphor

Despite their rising popularity, distributed teams face a number of collaboration challenges that may potentially hinder their ability to productively coordinate their resources, activities, and information, often in dynamic and uncertain task environments. In this paper, we focus principally on the criticality of information alignment for supporting coordinated task performance in complex operational environments. As organizations become more expertise, geographically, and temporally distributed, appropriate alignment and coordination among distributed team members becomes more critical for minimizing the occurrence of information flow failures, poor decision-making, and degraded team performance. We first describe these coordination processes using the metaphor of an 'information clutch' that allows for smooth transitions of task priorities and activities in expert teams. We then present two case study examples that illustrate the potentially significant impact of information sharing and information alignment on productivity and coordination in organizations. We conclude with a discussion of future directions in this area.     

Mediating team effectiveness in the context of collaborative learning: The importance of team and task awareness

Learning teams in higher education executing a collaborative assignment are not always effective. To remedy this, there is a need to determine and understand the variables that influence team effectiveness. This study aimed at developing a conceptual framework, based on research in various contexts on team effectiveness and specifically team and task awareness. Core aspects of the framework were tested to establish its value for future experiments on influencing team effectiveness. Results confirmed the importance of shared mental models, and to some extent mutual performance monitoring for learning teams to become effective, but also of interpersonal trust as being conditional for building adequate shared mental models. Apart from the importance of team and task awareness for team effectiveness it showed that learning teams in higher education tend to be pragmatic by focusing primarily on task aspects of performance and not team aspects. Further steps have to be taken to validate this conceptual framework on team effectiveness.     

Process and technology challenges in swift-starting virtual teams

Virtual teams often face tight schedules and a need to start quickly and perform instantly. The goal of our study was to enhance understanding of the challenges faced by such teams. We used time–interaction–performance theory as the framework for following the processes and functions within virtual teams working on a systems development task. Our study provided a detailed examination of the group process, applied to virtual teams working under time pressure. The challenges faced by virtual teams in such settings showed that teams must work to enhance their effectiveness in multiple dimensions.     

Information Alignment and Task Coordination in Organizations: An ‘Information Clutch’ Metaphor

Abstract

Despite their rising popularity, distributed teams face a number of collaboration challenges that may potentially hinder their ability to productively coordinate their resources, activities, and information, often in dynamic and uncertain task environments. In this paper, we focus principally on the criticality of information alignment for supporting coordinated task performance in complex operational environments. As organizations become more expertise, geographically, and temporally distributed, appropriate alignment and coordination among distributed team members becomes more critical for minimizing the occurrence of information flow failures, poor decision-making, and degraded team performance. We first describe these coordination processes using the metaphor of an ‘information clutch’ that allows for smooth transitions of task priorities and activities in expert teams. We then present two case study examples that illustrate the potentially significant impact of information sharing and information alignment on productivity and coordination in organizations. We conclude with a discussion of future directions in this area.     

Effects of chemical protective equipment on team process performance in small unit rescue operations

In the event of a nuclear, biological, or chemical terrorist attack against civilians, both military and civilian emergency response teams must be able to respond and operate efficiently while wearing protective equipment. Chemical protective equipment protects the user by providing a barrier between the individual and hazardous environment. Unfortunately, the same equipment that is designed to support the user can potentially cause heat stress, reduced task efficiency, and reduced range-of-motion. Targeted Acceptable Responses to Generated Events of Tasks (TARGETS), an event-based team performance measurement methodology was used to investigate the effects of Mission Oriented Protective Posture (MOPP) on the behavioral processes underlying team performance during simulated rescue tasks. In addition, this study determined which team processes were related to team performance outcomes. Results of six primary analyses indicated that team process performance was not degraded by MOPP 4 on any rescue task and that the team processes critical for successful task performance are task-dependent. This article discusses the implications of these results with respect to the study design and the limitations of using an event-based team performance measurement methodology.