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In the health and social care sectors of European countries the number of regional interorganizational networks of providers is growing. Since facilitating development of such networks for the purpose of multi-agency working increasingly becomes an issue, theories must be drawn up to understand network development, possible absence of development included. We have taken up the challenge. Based on empirical data and elaborating on the work of authoritative authors we formulated a sociological systems theory on interorganizational network development. Here we present the theory, which is the result of a case study in the Dutch care sector. In our theory, we consider interorganizational networks as social systems. Therefore, we used knowledge from social system theory. However, we added knowledge from interactionism, especially the concept of ‘meaning’. It is argued that the combination of both perspectives into one theory allows a better understanding of network development. The concept of ‘steering’ is the junction where the perspectives meet. Copyright © 2001 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]

We examined the hypothesis that threat alters the cognitive strategies used by high authoritarians in seeking out new political information from the environment. In a laboratory experiment, threat was manipulated through a“mortality salience” manipulation used in research on terror management theory (). Subjects (N=92) were then invited to read one of three editorial articles on the topic of capital punishment. We found that in the absence of threat, both low and high authoritarians were responsive to salient norms of evenhandedness in information selection, preferring exposure to a two-sided article that presents the merits of both sides of an issue to an article that selectively touts the benefits of the pro or con side of the issue. However, in the presence of threat, high but not low authoritarians became significantly more interested in exposure to an article containing uniformly pro-attitudinal arguments, and significantly less interested in a balanced, two-sided article. Finally, a path analysis indicated that selective exposure to attitude-congruent information led to more internally consistent policy attitudes and inhibited attitude change. Discussion focuses on the role of threat in conditioning the cognitive and attitudinal effects of authoritarianism. [ABSTRACT FROM AUTHOR]