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81.
Sebastian P.L. Fourné Nina Rosenbusch Mariano L.M. Heyden Justin J.P. Jansen 《European Management Journal》2019,37(5):564-576
This meta-analysis examines the conditions under which structural and contextual approaches help balance exploration and exploitation. Drawing on heterogeneous samples of prior ambidexterity studies, we apply moderated meta-analytic regression methods to 33,492 organizations sampled in 114 primary studies from 1991 to 2017 to test a contingency model. Our findings suggest that structural separation helps firms of all sizes to balance exploration and exploitation, and that structural separation is more conducive for balancing exploration and exploitation in high technology environments. Also, avoiding a structural separation approach benefits service firms. As research on ambidexterity enters the maturity stage we discuss the implications for future theory development, methodology, and for managers interested in developing ambidextrous organizations. 相似文献
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83.
This paper describes an approach developed by a local authority social worker based in a paediatric department, working in close collaboration with consultant child and adolescent psychiatrists and paediatricians. The literature is informative on the significant psychosocial difficulties of young people who harm themselves deliberately, but there is little published work on the complexities of the actual multidisciplinary care given to these patients, the majority of whom are not actively suicidal by the time they are interviewed. The task is as much to intervene in the lives of young people at risk of harm or neglect as to prevent suicide. 相似文献
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85.
Prof. Dr. Cornelia Muth 《Gruppendynamik und Organisationsberatung》2008,39(4):443-453
Transcultural adult education targets the pluralistic dialogue among cultures, nations and individual ways of life without being able to define and willing to control the respective otherness. In fact it is experienced respect which stands in the foreground from a dialog pedagogical view. The following reflection of putting the dialogue into practice discusses sensations such as shame and guilt, love and hate which are too seldom in the educators’ and researchers’ awareness concerning the Middle East Conflict. 相似文献
86.
Few rigorous research studies exist to define the impact problem gambling may have on the workforce and the workplace. This study is an initial attempt to address this void by exploring the vocational patterns and demographics of callers with self report gambling problems to a state helpline. It utilizes Chi-squared Automatic Interaction (CHAID) Technique analysis to assess 1072 working age callers with gambling related problems. The goal of this exploratory investigation is to determine if the issue of problem gambling in the workplace warrants further research and, potentially, design of interventions. Discussion centers on the use of the information for development of employer based prevention and intervention efforts. 相似文献
87.
Reflexivity, its Meanings and Relevance for Social Work: A Critical Review of the Literature 总被引:1,自引:0,他引:1
D'Cruz Heather; Gillingham Philip; Melendez Sebastian 《British Journal of Social Work》2007,37(1):73-90
The concept of reflexivity has become increasinglysignificant in social work literature in relation to socialwork education, theory and practice. However, our reading ofthe literature indicates that there is a lack of clarity aboutthe concept in terms of who is being exhorted to be reflexive,when and how. This article addresses these questions througha critical review of social work literature since the 1990sthat discusses the concept of reflexivity. Giventhat many authors seem to use the concepts of reflexivityand (critical) reflection interchangeably, wealso apply this analysis to reflection and criticalreflection. This article raises important questions abouthow the concepts of reflexivity, criticalreflection and reflectivity are definedand the different consequences such definitions might have forsocial work education, theory and practice. 相似文献
88.
Professor Louis J. Gooren Hermann M. Behre Farid Saad Annika Frank Sebastian Schwerdt 《The aging male》2013,16(4):173-181
Aim. This study analysed variations between different regions of the world in diagnosing and treating testosterone (T) deficiency.Methods. Physicians were interviewed in Germany, Spain and the United Kingdom, in Brazil, in Saudi Arabia and South Korea. Items in the survey: 1) reasons/motivation to use or not to use T; 2) what category of patients would not receive T on the basis of these concerns; 3) concerns about prostate pathology in the decision not to provide T treatment; 4) phosphodiesterase type 5 (PDE-5) inhibitors are efficacious, but T treatment makes a comeback.Results. Between 5% and 10% of consulting patients suffered from T deficiency. The fear to induce prostate cancer appeared very powerful. About 68% of physicians associate the use of T more with risks than benefits, more so in Europe than elsewhere. As a result about 35% of hypogonadal men do not receive treatment. The PDE-5 inhibitors are very prominent in the treatment of erectile dysfunction. Of patients suffering from erectile dysfunction, 18% to 29% have T deficiency which is not always diagnosed and treated.Conclusion. World-wide physicians require more education on diagnosing T deficiency, on the role of T in erectile dysfunction and the relative safety of testosterone treatment. 相似文献
89.
Sebastian Huhn 《Social Identities》2013,19(6):787-810
Crime, violence, and insecurity are among the most important social topics in contemporary Costa Rica. These three issues play a central role in the media, politics, and everyday life, and the impression has emerged that security has changed for the worse and that society is now permanently threatened. However, crime statistics do not support this perception. The paper thus asks why violence and crime generate such huge fear in society. The thesis is that the Costa Rican national identity – with Costa Rica constructed as a nonviolent nation – impedes a realistic discussion about the phenomena and their causes, and simultaneously provides a platform for sensationalism and the social construction of fear. 相似文献
90.
Sebastian Abshoff Peter Kling Christine Markarian Friedhelm Meyer auf der Heide Peter Pietrzyk 《Journal of Combinatorial Optimization》2016,32(4):1197-1216
We consider online optimization problems in which certain goods have to be acquired in order to provide a service or infrastructure. Classically, decisions for such problems are considered as final: one buys the goods. However, in many real world applications, there is a shift away from the idea of buying goods. Instead, leasing is often a more flexible and lucrative business model. Research has realized this shift and recently initiated the theoretical study of leasing models (Anthony and Gupta in Proceedings of the integer programming and combinatorial optimization: 12th International IPCO Conference, Ithaca, NY, USA, June 25–27, 2007; Meyerson in Proceedings of the 46th Annual IEEE Symposium on Foundations of Computer Science (FOCS 2005), 23–25 Oct 2005, Pittsburgh, PA, USA, 2005; Nagarajan and Williamson in Discret Optim 10(4):361–370, 2013) We extend this line of work and suggest a more systematic study of leasing aspects for a class of online optimization problems. We provide two major technical results. We introduce the leasing variant of online set multicover and give an \(O\left( \log (mK)\log n\right) \)-competitive algorithm (with n, m, and K being the number of elements, sets, and leases, respectively). Our results also imply improvements for the non-leasing variant of online set cover. Moreover, we extend results for the leasing variant of online facility location. Nagarajan and Williamson (Discret Optim 10(4):361–370, 2013) gave an \(O\left( K\log n\right) \)-competitive algorithm for this problem (with n and K being the number of clients and leases, respectively). We remove the dependency on n (and, thereby, on time). In general, this leads to a bound of \(O\left( l_{\text {max}} \log l_{\text {max}} \right) \) (with the maximal lease length \(l_{\text {max}} \)). For many natural problem instances, the bound improves to \(O\left( K^2\right) \). 相似文献