eywords: ccuracy ognitive social networks etwork perception erception ower riming ocial cognition Previous work has led to divergent conclusions about how power affects the accuracy of network perceptions in groups and organizations. This paper develops and tests an argument linking higher power to less accurate network perception. Results from the first experiment showed that, relative to part...

Social discrimination, defined as the relative preference for intra-ethnic over inter-ethnic relationships, nter-ethnic relationships ultilevel p2 model eighborhood composition ocial discrimination was studied in pupils’ networks in Dutch secondary school classes. While native Dutch pupils (ethnic majority members) mainly named fellow majority members, ethnic minority members reported ties with...

S ocial disparity in birth weight is well recognised but less well explained. Maternal height, smoking, substance misuse, and micronutrient deficiency are the most likely determinants of social disparities in birth weight. Intergenerational effects through maternal birth weight and growth in early childhood have also been suggested as mediators of social difference in birth weight. 3 This paper...

More and more companies have adopted social media platforms for supporting knowledge sharing among customers and employees, where individuals ask and answer questions among each other. Hence, it is important to understand the knowledge-sharing behavior of users on these systems. We propose a theoretically-grounded, dynamic structural model with endogenized knowledge-sharing behavior that takes ...

he capacity to develop social attachments is fundamental to the healthy development of individuals and communities, as is evident across parent-child attachments, intimate ouples, peer friendships, and professional partnerships (1). lternatively, abnormalities in the processing of social informaion and the regulation of close attachments are associated with irtually every form of human psychopa...

The exchange of information is an innate and natural process that assist in content dispersal. Social networking sites emerge to enrich their users by providing the facility for sharing social interaction. extensive adoption also resulted user generation. There are diverse research areas explored researchers investigate influence media on confirmed have a significant impact markets, politics li...

a r t h t H C g r g hen CEO Laurie Eberst, RN, was charged with opening the new Mercy Gilbert Medical Center in Arizona in 2006, he decided it was important to build an rganization—before the doors opened— hat would support the philosophy of proiding “radical, loving care” that focuses n caring for the caregivers, who in turn rovide high-quality, compassionate care o their patients. To create t...

In December I travelled to Copenhagen for the United Nations Climate Change Conference (COP). I did not attend any of the ocial meetings in the Bella Center, where the conference was based, but rather participated outside the conference in a range of protest activities directed against the actions (and more importantly the inactions) of the ocial parties. ere is much to be said about the protes...

In dynamic multi-agent environments, agents, often based on hand-crafted reactive plans (operators), form teams to collaborate in achieving joint goalsl. The complexity and unpredictability of such environments present the agents with countless opportunities for failures, which could not have been foreseen by the designer (e.g., due to incomplete task descriptions, unreliable sensors, etc.). Wi...