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41.
Kersten Ekberg Jörgen Eklund Mari-Ann Tuvesson Roland Örtengren Per Odenrick Mats Ericson 《Work and stress》2013,27(4):475-490
Abstract The aim of this study was to evaluate whether psychological stress causes increased muscle activity, especially static muscle activity, in the trapezius muscles of the neck and shoulder. A pilot and a main study were carried out with 10 males and 20 females, respectively. The subjects performed a VDU data entry task under psychologically stressful and non-stressful conditions. Stress reactions were measured by different methods: heart rate and heart rate variability, hormonal excretion, and subjective ratings of mood and body symptoms. The stress condition caused an increase in heart rate. The low-frequency variability increased and the high-frequency variability decreased. Ratings of motivation and relaxation decreased, and subjects felt more activated. Pain and discomfort from the stomach increased. Adrenaline and noradrenaline in urine were unaffected. The majority of the subjects showed moderately increased static and median EMG levels during the stress condition. The interindividual variation in muscular reactions was large. Statistically significant increases were obtained for the myoelectric activity of the left (resting) trapezius muscle when pooling the two groups. It appears that the increase in muscle activity due to this type of mental stress is small, and factors other than ‘attention-related’ load may be more important. The results indicate that some individuals may be more prone to general muscle tension, making them more likely to develop symptoms and musculoskeletal pain. 相似文献
42.
As a key factor, word of mouth plays an important role in the diffusion of a product in the market. Therefore, big efforts are undertaken to identify opinion leaders and embed them in the value-added- and communication-process. Various studies confirm the relevant role of the opinion leader in terms of interpersonal communication. The importance of these multipliers got even more intensified through the wide range of services in the internet. Field reports or product evaluations achieve an intensely enhanced recipient circle through opinion platforms and discussion bulletin boards. However, the diffusion of information through the internet is not determinated through the typical attributes of a classical opinion leader. So it is possible to adopt an online multiplier role without acting the same way in an offline environment. Therefore, the present study deals with the differentiation between the online multiplier and the classical opinion leader on the basis of their personality structure. The results confirm the role of the internet as a platform that enables people with a strong personality as well as people with a weak personality to act as a multiplier. 相似文献
43.
The disposal of nuclear waste involves extensive time scales. Technical experts consider up to 1 million years for the disposal of spent fuel and high‐level waste in their safety assessment. Yet nuclear waste is not only a technical but also a so‐called sociotechnical problem and, therefore, requires interdisciplinary collaboration between technical, natural, social sciences, and the humanities in its management. Given that these disciplines differ in their language, epistemics, and interests, such collaboration might be problematic. Based on evidence from cognitive psychology, we suggest that, in particular, a concept like time is presumably critical and can be understood differently. This study explores how different scientific disciplines understand extensive time scales in general and then focuses on nuclear waste. Eighteen qualitative exploratory interviews were conducted with experts for time‐related phenomena of different disciplines, among them experts working in nuclear waste management. Analyses revealed two distinct conceptions of time corresponding to idiographic and nomothetic research approaches: scientists from the humanities and social sciences tend to have a more open, undetermined conception of time, whereas natural scientists tend to focus on a more determined conception that includes some undetermined aspects. Our analyses lead to reflections on potential difficulties for interdisciplinary teams in nuclear waste management. We focus on the understanding of the safety assessment, on potential implications for communication between experts from different disciplines (e.g., between experts from the humanities and engineering for risk assessment and risk communication), and we reflect on the roles of different disciplines in nuclear waste management. 相似文献
44.
Research of the last decades focused on answering several questions in view of optimum stimulation theory. Which variables do influence general explorative tendencies such as risk taking, variety seeking, or curiosity-motivated behaviour and how do the general explorative tendencies effect the willingness to choose new or familiar products on a repurchase occasion? The approach of this research is the attempt to analyse a wide range of variables, which have successfully been tested to influence innovative behaviour, within one simultaneous model. This research is applied across different product-categories. It is confirming the nomological validity of OSL-theory including some contextual variables by attesting a principal consistency between all (six) models that have been established throughout the range of several examined product categories. The parameters between inherent factors do not contradict when comparing the single models with each other, parameter values do only differ slightly according to category-specific peculiarities. As a consequence of these results, an overall fairly good picture is drawn of what is behind the keenness for innovations of early adopters in general (regardless of the product category). 相似文献
45.
Recent contributions to the policy implementation literature have applied Kingdon's model of ‘policy windows’ to the implementation of policy on health inequalities in the UK, and have identified the key role played by ‘policy entrepreneurs’ at local as well as national level. Despite this, the picture that emerges is of frustration of central policy intentions at the local level, alongside frustration of local aspirations by the centre. This article explores the relationship between central policy and local implementation in the context of a Lottery‐funded initiative to develop community cancer care in the UK. We examine the relationships: between the BIG Lottery Fund and central government; between BIG and the cancer care projects it funded; and between the projects and their local economy of cancer care. We found evidence of success both in vertical cascading of policy and in local policy innovation; 83 per cent of projects succeeded in obtaining continuation funding at the end of their Lottery funding. We suggest that this was due, in part, to two features of Lottery funding and accountability that combined to differentiate it from the other policy initiatives studied. They meant that projects were ‘buffered’ not just from national policy churn, but also from competing local priorities. In the ‘protected space’ that was thus formed, ‘street‐level policy entrepreneurs’ played a key role in developing cancer care innovations for adoption by mainstream funding agencies. 相似文献
46.
The hypothesis that political costs caused by the regulatory process impact upon accounting has been tested extensively and has found considerable empirical support. However, most studies use data from the United States. Whether the conclusions carry over to different institutional settings is an open question. This study exploits the fact that, in the European Union, there exists a policy area—competition policy—in which the European Commission can act in a manner significantly less constrained than in most other policy areas, imposing substantial fines on companies found to be in infringement of European competition regulations. Companies investigated by the Commission’s Directorate General for Competition have strong incentives to deflect attention and keep a low profile. It is conjectured that such companies will use income-decreasing accruals in order not to appear to be making unjustified profits. The results confirm this conjecture. 相似文献
47.
Christina Bohk Roland Rau 《KZfSS K?lner Zeitschrift für Soziologie und Sozialpsychologie》2015,67(1):271-294
To investigate how economic conditions and crises affect mortality and its predictability in industrialized countries, we review the related literature, and we forecast mortality developments in Spain, Hungary, and Russia—three countries which have recently undergone major transformation processes following the introduction of radical economic and political reforms. The results of our retrospective mortality forecasts from 1991 to 2009 suggest that our model can capture major changes in long-term mortality trends, and that the forecast errors it generates are usually smaller than those of other well-accepted models, like the Lee-Carter model and its coherent variant. This is because our approach is capable of modeling (1) dynamic shifts in survival improvements from younger to older ages over time, as well as (2) substantial changes in long-term trends by optionally complementing the extrapolated mortality trends in a country of interest with those of selected reference countries. However, the forecasting performance of our model is limited (like that of every model): e.g., if mortality becomes extremely volatile—as was the case in Russia after the dissolution of the Soviet Union—generating a precise forecast will depend more on luck than on methodology and expert judgment. In general, we conclude that, on their own, recent economic changes appear to have minor effects on life expectancy in industrialized countries, but that the effects of these changes are greater if they occur in conjunction with other major social and political changes. 相似文献
48.
Roland Königsgruber 《Journal of Management and Governance》2010,14(4):277-295
In recent years accounting researchers have identified “political” lobbying as a problem for accounting standard setting.
This paper presents a simple game-theoretic analysis of the political process to identify situations where companies have
incentives to lobby the political principal instead of participating in the usual due process of accounting standard setting.
Analysis of the model suggests that “political” lobbying is more likely to happen in the EU than in the US. Furthermore it
is suggested that if the relevant standard setters wish to achieve harmonization of accounting standards between the EU and
the US, European companies have more lobbying leverage than their American counterparts because there are more European veto
players than American ones. 相似文献
49.
50.
Anke Müller-Peters Roland Pepermans Guido Kiell Nicole Battaglia Suzanne Beckmann Carole Burgoyne Minoo Farhangmehr Gustavo Guzman Erich Kirchler Cordula Koenen Flora Kokkinaki Mary Lambkin Dominique Lassarre Francois-Regis Lenoir Roberto Luna-Arocas Agneta Marell Katja Meier Johanna Moisander Guido Ortona Ismael Quintanilla David Routh Francesco Scacciati Liisa Uusitalo Yvonne M. van Everdingen W. Fred van Raaij Richard Wahlund 《Journal of Economic Psychology》1998,19(6):663-680