The authors examined questions about diffusion of responsibility in groups by asking group members to apportion responsibility for an outcome to each group member: Does responsibility diffuse more as groups increase in size but eventually level off in larger groups? Does responsibility diffuse equally, with each member getting an equal portion, or is it concentrated on certain individuals? Do group members apportion responsibility in ways that maximize their own self-esteem? Dyads attributed more responsibility to others after failure than success, but four-person groups tended to take the blame for failure. Overall, however, responsibility diffused in proportion to group size as group members concentrated more responsibility on some group members and withheld responsibility from others through specific role allocations. There was a significant degree of consensus in group members' perceptions of individual members' contributions to performance, but members generally felt they contributed more to the group than did other members.
Whereas the traditional view in cognitive science has been to view mind and cognition as something that is the result of essentially inner, neural processes, the extended cognition perspective claims that at least some human mental states and processes stem from complex webs of causal influence involving extra-neural resources, most notably the resources of our social and technological environments. In this chapter the authors explore the possibility that contemporary and near-future network systems are poised to extend and perhaps transform our human cognitive potential. They also examine the extent to which the information and network sciences are relevant to their understanding of various forms of cognitive extension, particularly with respect to the formation, maintenance and functioning of extended cognitive systems in network-enabled environments. Their claim is that the information and network sciences are relevant on two counts: firstly, they support an understanding of the mechanisms underpinning socially- and technologically-mediated forms of cognitive extension; secondly, they serve to guide and inform engineering efforts that strive to enhance and expand our cognitive capabilities. The authors discuss the relevance and applicability of these conclusions to current and future research exploring the contribution of network technologies to military coalition operations.
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Culture represents the broad range of things over which people influence each other, and frequently contributes to the behaviour, interaction and outlook of groups. Although it has been studied in the context of humans, it is also relevant to future intelligent cognitive systems, that could have the capability to update their disposition and strategy based on the influence of others.In this work we transfer concepts from social sciences to the computing sciences and examine the effect of peer influence on culture. We consider the notion of "peer pressure", being the combined effect from all an individual's neighbours exerting influence at the same time, and also through influence flowing from indirect sources. This approach is derived using Social Impact Theory. We benchmark this against the cultural polarisation model from Axelrod, which involves influence being restricted to dyadic interactions between agents.We find that peer pressure provides complex contagion with a significant impact on cultural evolution. Greater cultural diversity is maintained, with indirect paths mitigating this by effectively forming disruptive weak links. This reaffirms that maintaining diversity in social ties, as well as a wide breadth, supports the mitigation of cultural isolation and polarisation. The model provides a platform to explore culture in a wide range of further scenarios, including electronic, coalition and organisational contexts.
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