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排序方式: 共有1398条查询结果,搜索用时 390 毫秒
191.
Loes G. M. van Rijsewijk Tom A. B. Snijders Jan Kornelis Dijkstra Christian Steglich Ren Veenstra 《Journal of research on adolescence》2020,30(1):63-77
The aim of this study was to unravel the interrelatedness of friendship and help, and to examine the characteristics of friendship and help networks. The effects of mutual versus one‐sided help relations on friendship initiation and maintenance, and vice versa, were examined. Friendship and help networks were analyzed (N = 953 students; 41 classrooms; Mage = 12.7). The results illustrate that friendship and help networks show some similarities, but only partly overlap and have distinct characteristics. Longitudinal multiplex social network analyses showed that mutual help was important for the maintenance of friendship, but not for the initiation of friendship. Further, particularly mutual friendships provided a context in which help took place. Implications of these findings are discussed. 相似文献
192.
Theory and Decision - We introduce a family of proportional surplus division values for TU-games. Each value first assigns to each player a compromise between her stand-alone worth and the average... 相似文献
193.
van der Veer Lieke 《Voluntas: International Journal of Voluntary and Nonprofit Organizations》2022,33(1):83-92
VOLUNTAS: International Journal of Voluntary and Nonprofit Organizations - This contribution focuses on volunteer initiatives that seek to assist refugee status holders in Rotterdam. It studies... 相似文献
194.
van Overbeeke Philine S. M. Koolen-Maas Stephanie A. Meijs Lucas C. P. M. Brudney Jeffrey L. 《Voluntas: International Journal of Voluntary and Nonprofit Organizations》2022,33(1):33-45
VOLUNTAS: International Journal of Voluntary and Nonprofit Organizations - Volunteering appears to be a mechanism that can contribute to societal inclusion. As nonprofit organizations continuously... 相似文献
195.
Corine Dijk Agneta H. Fischer Nexhmedin Morina Charlotte van Eeuwijk Gerben A. van Kleef 《Journal of Nonverbal Behavior》2018,42(1):81-99
Socially anxiety may be related to a different pattern of facial mimicry and contagion of others’ emotions. We report two studies in which participants with different levels of social anxiety reacted to others’ emotional displays, either shown on a computer screen (Study 1) or in an actual social interaction (Study 2). Study 1 examined facial mimicry and emotional contagion in response to displays of happiness, anger, fear, and contempt. Participants mimicked negative and positive emotions to some extent, but we found no relation between mimicry and the social anxiety level of the participants. Furthermore, socially anxious individuals were more prone to experience negative emotions and felt more irritated in response to negative emotion displays. In Study 2, we found that social anxiety was related to enhanced mimicry of smiling, but this was only the case for polite smiles and not for enjoyment smiles. These results suggest that socially anxious individuals tend to catch negative emotions from others, but suppress their expression by mimicking positive displays. This may be explained by the tendency of socially anxious individuals to avoid conflict or rejection. 相似文献
196.
197.
Masi Mohammadi Maurice Dominicus Leonie van Buuren Kim Hamers Hüsnü Yegenoglu 《Journal of Housing for the Elderly》2019,33(3):205-226
This study aims to examine housing typologies for older adults in the light of three qualitatively examined exogenous factors: policy, societal developments, and technology. The developments in inpatient and assisted ambulatory housing facilities for older adults have been mapped from 1945 to 2016 using quantitative data. Using these data, five transition periods can be distinguished. Within the first transition periods, policy factors were tremendously important, while within the later ones, societal influence empowered by technological change became the primarily driving factor. This research shows that the classification of inpatient, assisted ambulatory housing, and outpatient housing may no longer be applicable in its current form. 相似文献
198.
Central and Eastern Europe (CEE) have experienced considerable instability in mortality since the 1960s. Long periods of stagnating life expectancy were followed by rapid increases in life expectancy and, in some cases, even more rapid declines, before more recent periods of improvement. These trends have been well documented, but to date, no study has comprehensively explored trends in lifespan variation. We improved such analyses by incorporating life disparity as a health indicator alongside life expectancy, examining trends since the 1960s for 12 countries from the region. Generally, life disparity was high and fluctuated strongly over the period. For nearly 30 of these years, life expectancy and life disparity varied independently of each other, largely because mortality trends ran in opposite directions over different ages. Furthermore, we quantified the impact of large classes of diseases on life disparity trends since 1994 using a newly harmonized cause-of-death time series for eight countries in the region. Mortality patterns in CEE countries were heterogeneous and ran counter to the common patterns observed in most developed countries. They contribute to the discussion about life expectancy disparity by showing that expansion/compression levels do not necessarily mean lower/higher life expectancy or mortality deterioration/improvements. 相似文献
199.
Thorsten van der Velten Marketing Manager Dr H. Igor Ansoff Distinguished Professor 《Long Range Planning》1998,31(6):879-885
This study analyzes the behavior of top managers in managing their firms' business portfolios. A review of the existing literature provides a conceptual framework for a research design combining quantitative and qualitative techniques. Data were collected through interviews with 35 top managers of well-known German business firms and the findings of this study translated into guidelines for managers. The results suggest that successful top managers should be concerned with the social relationships and management processes within the corporate office, as well as with their use of management concepts in managing the business portfolio. 相似文献
200.