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Matthew J. Slater Martin J. Turner Andrew L. Evans Marc V. Jones 《The Leadership Quarterly》2018,29(3):379-388
The influence of relational identification (RI) on leadership processes and the effects of social identity leadership on followers' responses to stress have received scant theoretical and research attention. The present research advances theoretical understanding by testing the assertion that high RI with the leader drives follower mobilization of effort and psychophysiological responses to stress. Two experimental scenario studies (Study 1 and Study 2) support the hypothesis that being led by an individual with whom followers perceive high RI increases follower intentional mobilization. Study 2 additionally showed that high (vs. low) RI increases follower resource appraisals and cognitive task performance. A laboratory experiment (Study 3) assessing cardiovascular (CV) reactivity showed that, compared to neutral (i.e., non-affiliated) leadership, being led by an individual with whom participants felt low RI elicited a maladaptive (i.e., threat) response to a pressurized task. In addition, relative to the low RI and neutral conditions, high RI with the leader did not engender greater challenge or threat reactivity. In conclusion, advancing social identity leadership and challenge and threat theory, findings suggest that leaders should be mindful of the deleterious effects (i.e., reduced mobilization and greater threat state) of low RI to optimize follower mobilization of effort and psychophysiological responses to stress. 相似文献
83.
D. V. Gribanov D. S. Malyshev P. M. Pardalos S. I. Veselov 《Journal of Combinatorial Optimization》2018,36(4):1128-1144
This paper studies a new version of the location problem called the mixed center location problem. Let P be a set of n points in the plane. We first consider the mixed 2-center problem, where one of the centers must be in P, and we solve it in \(O(n^2\log n)\) time. Second, we consider the mixed k-center problem, where m of the centers are in P, and we solve it in \(O(n^{m+O(\sqrt{k-m})})\) time. Motivated by two practical constraints, we propose two variations of the problem. Third, we present a 2-approximation algorithm and three heuristics solving the mixed k-center problem (\(k>2\)). 相似文献
84.
The cross‐national intragenerational literature has often analyzed income mobility within short time periods over which mobility might reasonably be thought of as invariant. Here, we argue that a great social transformation—German reunification—abruptly and permanently altered mobility. Using standard measures (with panel data for the western states of Germany and the United States) over the period 1984–2006, we find the conventional result that income mobility is greater in Germany. But when we cut the data into 5‐year windows, we find that income mobility declines significantly over the years immediately following reunification in Germany but not in the United States, using both measures. (JEL J1, J6) 相似文献
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Incorporating issues of race and racism can improve clinical engagement and the therapeutic alliance. Assessing, understanding, and responding to experiences related to racial identity and racism related stress can be an important factor in a clinician??s ability to be culturally responsive. A vignette of client treatment presents common dilemmas in clinical treatment. Responses to questions about race from focus groups are presented to frame the experiences of women of color who struggle with poverty and social-emotional issues. A framework of multicultural antiracist practice highlights the skills necessary for clinicians, supervisors, and managers. 相似文献
86.
Hephzibah V. Strmic‐Pawl 《Sociology Compass》2014,8(1):63-77
Early research on multiracials documents the existence of a newly emergent population, those who identify with more than one race or what is commonly now known as multiracials. Contemporary research on multiracialism has a new focus on the stratification that multiracials experience and how multiracials may be influencing a new racial hierarchy. This paper discusses some of the primary issues of multiracialism and stratification including colorism, the racial hierarchy, social class, gender and sexual orientation, and multiracial as a celebrity‐like status. As the multiracial population grows, so must the field of multiracialism grows to include critical issues and questions regarding stratification. 相似文献
87.
This study aimed to perform an ergonomic analysis in a fiberglass parts factory. For this purpose, was used the methodology of Ergonomic Work Analysis (EWA). At the end of the study it was possible to identify some ways to the development of improvements in order to contribute to the transformation of working conditions in the sector analyzed. 相似文献
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The ergonomic risks constitute a vital aspect of study and prevention for the worker's health, especially for people with different capacities. Very job has and implies certain type of risk for the worker's health, depending on the conditions it is done with the use of tools or without them. Aplicated techniques: posturogram, baropodometry, Schober test, biocinemátic chain test, Fukuda test, propioceptiva plataform in personnel with special capabilities. 相似文献