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Paradoxically, virtual teams are ubiquitous and often successful, contrary to most current communication theories'predictions. Media naturalness theory (Kock, 2001), an evolutionary perspective on communication and its principles of media naturalness, innate schema similarity, and learned schema diversity can be used to understand, study, and manage successful virtual teamwork. In particular, potential problems of trust and leadership in virtual teams are shown to be amenable to solutions rooted explicitly in an evolutionary context. From a media naturalness perspective, geographic distance and technological complexity are secondary to processes of adaptation, as humans remain the most complex and flexible part of the communication system. © 2004 Wiley Periodicals, Inc.

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Despite the wide usage of globally dispersed virtual teams (VT), there has been relatively little research on how leadership affects team performance, particularly with new product development teams in a global VT setting. To test Quinn's (1988) Behavioral Complexity in Leadership Theory, a research model of VT leadership was developed and evaluated with confirmatory factor analysis and structural equation modeling for a unique sample of 19 globally dispersed VTs and 25 nationally dispersed VTs in a variety of industries. Results showed that less geographically dispersed VT members have higher team performance only when leadership roles were performed effectively. In addition, leadership role effectiveness fully mediated the relationship between the number of team training sessions and team performance. Recommendations for academic researchers and practical implications were suggested.

Purpose The purpose of this paper is to understand different aspects of structural dispersion in virtual teams (VTs). The study measures five types of dispersion, their impact on VT performance and the moderating effect of electronic communication. Design/methodology/approach The authors collected data from 44 globally distributed VTs representing 403 members. The authors used details of the members’ locations to measure five elements of dispersion for each team: spatial, time-zone, number of locations, extent of numerical balance across locations and extent of isolated members for a team. The authors used two items to assess effective electronic communication and measured team performance on four items from three sources – members, leaders and third-party stakeholders. Findings Using regression, the authors found that the number of sites, degree of team balance and isolation had a negative impact on team performance. Spatial and temporal dispersion did not impact performance. Effective electronic communication moderated the relationship of team performance with team balance and the number of sites. Research limitations/implications Study presents novel findings on the role of team configuration in VTs. Limitations: the study provides pointers to the likelihood of a non-linear relationship between spatial distance and performance; however, the scope of the paper does not permit an examination of this model. Future research can study this relationship. Second, the study does not examine how team configuration impacts the team processes that discount performance. Finally, the study treats each index of dispersion as independent of the others. The analysis does not study the interplay between and among the indices. Practical implications The findings provide clear indicators for managers and researchers of VTs on the issues associated with the location and configuration of the teams. Managers, while designing and managing dispersed members are now informed of the impact of the number of sites and the sub-group dynamics. The study underscores the importance of effective electronic communication in managing dispersion. Social implications The study presents how faultiness based on location of VT sub-groups (as represented in the configuration of a team) can hamper performance. Literature suggests that this faultiness can also extend to social identities (based on gender, culture, etc.). The indicators provided by this study in this respect provide a topical focus for research because diverse dispersed teams are becoming more prevalent. Originality/value The study is the first empirical exploration of dispersion in VTs beyond the traditionally acknowledged dimensions of spatial distance and time-zones. It is a timely response to the recent trends in literature. Additionally, the study derives data from a unique data set of global VTs, thus making findings easily generalizable.