Niklas Luhmann: Contingency,risk, trust and reflection

The hurdle of Niklas Luhmann's extensive theories is their complexity and level of abstraction. These qualities are, however, exactly what constitute their empirical sensitivity to the interrelation between organization and society in today's hyper-complex society. Luhmann never theorized on public relations; yet his theories enable identification of frames for understanding public relations in interrelation to society's overall coordination processes. Contemporary society apparently tries to solve problems activated by the blind reflexivity of modernization by activating reflective forms of coordination. Correspondingly, practice ideals of public relations can be reconstructed as reflection—the specific worldview which facilitates self-insight in relation to the social context.     

Information, information systems, information society: interpretations and implications

The term “information” has become a universal and omnipresent keyword in almost all areas of our modern world—be it in science or society in general. This is not only obvious from the naming of whole scientific branches like Information Theory, Information Science or Informatics but even more from common speaking—characterising our present time and society as information age viz. information society. However, what “information” might mean, is by no means clear and there is a wide range of interpretations covering, among others, its technical, communicational, educational, mental, and scientific aspects. But is the use of the same term justified when adopted in Biology, Physics, Archaeology, Law, Communication Technology, and Informatics (to list just a few of the involved scientific branches) or do its different uses at least have some common characteristics—some sort of common denominator? Is information natural, e.g. manifesting itself as a material phenomenon residing in organisms, stars, atoms, or genes, or is it just a cultural product of human communication, thinking, and interpretation? In this article, we try to clarify some of the most important interpretations, discuss and contrast them with the Informatics point of view. Interpretations range from taking information as material, transferable signals (following Shannon’s Information Theory or the genetic approaches), treating it as a sign (following a semiotic approach), as a commercial product (now common in Web-based Information Business) to considering it a pure mental phenomenon bound to humans or human-like individuals or even to groups and societies. Based on these interpretations, we shall throw a critical glance on current trends in human science and society—focusing on the now popular concept of “information society”—and then derive some theses and guidelines for further research escorting the growth and dispersal of information technology. As it will turn out, an information society which defines itself through the number of computers, internet connections and network links is based on a very narrow, techno-centric concept of information. However, a reflection on the educational and cultural aspects of information might lead to a better-qualified society consisting of responsible and critical citizens.     

Alliances Across Ideologies: Networking with NGOs in a Tourism Dispute in Northern Bali

This paper explores how local actors form alliances and join networks with (inter-)national NGOs working on religious, political and environmental issues in a dispute over tourism development in northern Bali. All of these actors construct a particular concept of landscape which serves their respective goals to contest or defend the planned large-scale tourism projects. Three of these conceptual framings are identified as playing a major role in the conflict: (1) a spiritual Hindu-Balinese perspective mobilised by tourism protesters and NGOs; in alliance with (2) views on landscape based on sustainability and conservation powerfully represented by international NGOs; clashing with (3) a material and economic view of landscape by international investors, who consider land primarily as a commodity generating economic value. These three contrasting views and resulting networks provide an instrument of moral and political pressure for the contending parties in this conflict over natural resources and tourism development.     

A literature review and emotion-based model of age and leadership: New directions for the trait approach

Despite renewed interest in traditional trait approaches to leadership and despite recent demographic trends towards an aging workforce, research on leaders' age as a specific demographic trait variable has remained surprisingly sparse and fragmented. This article provides a comprehensive review of the empirical literature on this issue. Although a body of research relating leaders' age with their behaviors and outcomes has emerged, the existing findings exhibit little consistency and lack theoretical coherence. Integrating theories of emotional aging with research on emotions and leadership, we therefore develop a novel, emotion-based framework that explicates key mechanisms and boundary conditions underlying age–leadership linkages. Moreover, we outline opportunities for further theoretical extensions and provide recommendations for future empirical work. Overall, this article paves new ground for contemporary research on leadership traits by highlighting the relevance of leaders' age, summarizing current knowledge on this issue, and providing new theoretical and empirical directions.     

Paul Lazarsfelds typologische Methode und die Grounded Theory. Generierung und Qualität von Typologien

The following article deals with the connections between the typological method proposed by Paul Lazarsfeld and the Grounded Theory. The question how good typologies in qualitative social research can be constructed will be raised. It will be argued that formal criteria are necessary but not sufficient in judging whether a typology is good. The typology also needs to be relevant in its contents. The article will show that the Grounded Theory can help to solve this problem by creating attributes for typology construction analogous to the Grounded Theory's process that is used to generate theory. On the other hand, Lazarsfeld's concept of “attribute space” can be of assistance for the process of “theoretical sampling” proposed by the Grounded Theory by providing a systematic scheme for selecting the cases to be studied. The article will conclude with an empirical example illustrating the issues mentioned above.     

Correlates of sport participation among community-dwelling elderly people in Germany: a cross-sectional study

The aims of this study were (1) to analyze the sport participation in a cohort of community-dwelling elderly people in Germany and (2) to evaluate associations between sport participation, sociodemographic factors, cardiovascular risk factors, and health status. In a monitored prospective cohort study (getABI), 6,880 unselected patients ≥65 years have been followed up by 344 general practitioners beginning in 2001. As part of the 5-year follow-up telephone interview, a sample of 1,376 participants was interviewed on sport participation. The association between participation in at least one sporting activity (“sporty” yes/no) during the past week (cycling) or month (other sports) and the following parameters was analyzed by logistic regression: age, sex, immigration background, education, waist circumference, smoking, self-reported health, history of vascular events, diabetes mellitus, lipometabolic disorder, and arterial hypertension. Analysis of activities (n = 1,304; median age 76 (70–94) years; 55.1% women) showed that 27.6% of participants rode a bicycle during the previous week. During the previous month, 24.9% of participants did gymnastics or strength training, and 16.5% swam. Of all participants, 53.8% were sporty. Multivariate analysis revealed several independent factors to be associated with being sporty (p < 0.05): younger age, male sex, higher education, nonsmoking, better self-reported health, and not being diagnosed with diabetes. Immigration background, waist circumference, history of vascular events, lipometabolic disorder, and hypertension did not show a statistically significant association (p ≥ 0.05) with sport participation. Summing up, the most frequently performed sporting activities were cycling, gymnastics or strength training, and swimming. Sport participation was associated with, for example, age and sex.     

Markov Chain Monte Carlo in small worlds

As the number of applications for Markov Chain Monte Carlo (MCMC) grows, the power of these methods as well as their shortcomings become more apparent. While MCMC yields an almost automatic way to sample a space according to some distribution, its implementations often fall short of this task as they may lead to chains which converge too slowly or get trapped within one mode of a multi-modal space. Moreover, it may be difficult to determine if a chain is only sampling a certain area of the space or if it has indeed reached stationarity. In this paper, we show how a simple modification of the proposal mechanism results in faster convergence of the chain and helps to circumvent the problems described above. This mechanism, which is based on an idea from the field of “small-world” networks, amounts to adding occasional “wild” proposals to any local proposal scheme. We demonstrate through both theory and extensive simulations, that these new proposal distributions can greatly outperform the traditional local proposals when it comes to exploring complex heterogenous spaces and multi-modal distributions. Our method can easily be applied to most, if not all, problems involving MCMC and unlike many other remedies which improve the performance of MCMC it preserves the simplicity of the underlying algorithm.