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31.
Diana Raufelder Frances Hoferichter Lydia Romund Sabrina Golde Robert C. Lorenz Anne Beck 《Journal of research on adolescence》2016,26(4):706-722
The amygdala is essential for processing emotions, including the processing of aversive faces. The aim of this multimethodological study was to relate the amygdala reactivity of students (N = 88) toward teachers’ fearful and angry faces, to students’ relationship with their teachers. Furthermore, students’ neural responses during the perception of teachers’ faces were tested as predictors of test anxiety (controlling for neuroticism as a potential trait anxiety effect). Multiple regression analysis revealed that students reporting high‐quality teacher–student relationships showed stronger amygdala activity toward fearful faces, which was related to worry. Furthermore, students with high levels of neuroticism tended to perceive their teachers as motivators and showed higher amygdala activity toward angry faces, which was related to the measures of emotionality. 相似文献
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Diana Hernández Yang Jiang Daniel Carrión Douglas Phillips Yumiko Aratani 《Journal of Children and Poverty》2016,22(2):77-92
The costs for rent and utilities account for the largest share of living expenses, yet these two critical dimensions of material hardship have seldom been examined concurrently in population-based studies. This paper employs multivariate statistical analysis using American Community Survey data to demonstrate the relative risk ratio of low-income renter-occupied households with children experiencing ‘rent burden', ‘energy insecurity', or a ‘double burden’ as opposed to no burden. Findings suggest that low-income households are more likely to experience these economic hardships in general but that specific groups are disproportionately burdened in different ways. For instance, whereas immigrants are more likely to experience rental burden, they are less likely to experience energy insecurity and are also spared from the double burden. In contrast, native-born African Americans are more likely than all other groups to experience the double burden. These results may be driven by the housing stock available to certain groups due to racial residential segregation, decisions regarding the quality of housing low-income householders are able to afford, as well as home-country values, such as modest living and energy conservation practices, among immigrant families. This paper also points to important policy gaps in safety net benefits related to housing and energy targeting low-income households. 相似文献
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Sabrina Golde Lydia Romund Robert C. Lorenz Patricia Pelz Tobias Gleich Anne Beck Diana Raufelder 《Journal of research on adolescence》2019,29(4):938-952
The present interdisciplinary study explored whether perceived loneliness is associated with ventromedial prefrontal cortex (vMPFC) activation during self‐ and social judgments (friends and teachers) in adolescents. Moreover, we examined how vMPFC activity is related to the academic self‐concept (ASC). Results of manifest path analysis indicated that high perceived loneliness was related to lower neural response to self‐judgments. In turn, high neural response to self‐judgments was positively associated with the ASC, whereas there was a trendwise negative association between high neural response to teacher‐related judgments and ASC. This study reveals associations between perceived loneliness and neural processing of the self, underlining the idea that feeling isolated from others may hinder self‐insight and, by extension, the formation of a stable academic self‐concept. 相似文献
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Mona Lena Krook Diana Z. O'Brien Krista M. Swip 《International Feminist Journal of Politics》2013,15(1):66-79
The bodies produced by the violent practice of suicide bombing are a source of horror and disgust. They are, in feminist psychoanalyst Julia Kristeva's concept, abject: that which defies borders and is expelled to create the self. As ‘abject bodies’, suicide bombers' bodies frustrate attempts at calculation and rational control of security risks, and, in their mutilated flesh, expose as unstable the idea of the body as a whole with clearly defined boundaries between inside and outside. Female suicide bombers, whose bodies are already considered ‘abject’, produce a politics of the body that exceeds narratives of victimhood, and whose very monstrosity symbolically threatens the foundations of the nation-state. Attempts at constructing subjects out of the mutilated bodily remains of victims and perpetrators of suicide bombings are key practices in the production of the state and gendered subjects. The practice of suicide bombing and efforts to recover and resignify bodies reveals how power molds and constitutes the border of the body and state simultaneously. The explosive body of the suicide bomber thus has destabilizing effects beyond the motivations of its perpetrators and exposes the political work necessary to maintain the illusion of secure, bounded bodies and states. 相似文献
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The struggle for sex equality at work has largely been achieved in the developed world, it is claimed. The number of well‐qualified young women entering white‐collar employment and achieving promotion to first‐line and middle management positions now matches or exceeds their male peers. Many young women have high career aspirations and argue that sex discrimination no longer exists. However, this perception is over‐optimistic. Major sex inequalities persist at senior management level in the salaries and benefits offered to female and male staff and in access to certain favoured occupations and sectors of employment. Questionnaires, interviews and documentary evidence from three Turkish and six British banks and high street financial organizations showed that their claimed commitment to equal opportunities by sex was not matched by their practices. Members of managerial elites (who were almost exclusively male) held firm views about the characteristics of ‘the ideal worker’, which informed organizational ideologies, including human resource policies and practices concerning recruitment and promotion. They also permeated organizational cultures, which affected employees’ working practices and experiences. The outcome of these internal negotiation processes was to differentiate between a favoured group of staff seen as fully committed to the companies’ values, who were promoted and rewarded, and an ‘out’ group, whose members were denied these privileges. This distinction between ‘belonging’ and ‘otherness’ is gendered not only along the traditional lines of class, age, sexual orientation, religion and physical ability, but also along the new dimensions of marriage, networking, safety, mobility and space. Despite local and cross‐cultural differences in the significance of these factors, the cumulative disadvantage suffered by women staff seeking career development in the industry was remarkably similar. 相似文献
40.
Multi-phase sampling (M-PhS) scheme is useful when the interest is in the estimation of the population mean of an expensive
variable strictly connected with other cheaper (auxiliary) variables. The MSE is an accuracy measure of an estimator. Usually
it decreases as the sample size increases. In practice the sample size cannot become arbitrarily large for possible cost constraints.
From a practical point of view it would be useful to know the sample sizes which guarantee the best accuracy of the estimates
for fixed costs. These “optimum” sample sizes can be, in some cases, computable but not admissible. In other cases, they can
be neither admissible nor computable. The main goal of this paper is to propose a solution for both these situations. It will
be clear that in both situations the solution is to consider a M-PhS scheme with one or more phases less. 相似文献