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1.
In a smoothing spline model with unknown change-points, the choice of the smoothing parameter strongly influences the estimation of the change-point locations and the function at the change-points. In a tumor biology example, where change-points in blood flow in response to treatment were of interest, choosing the smoothing parameter based on minimizing generalized cross-validation (GCV) gave unsatisfactory estimates of the change-points. We propose a new method, aGCV, that re-weights the residual sum of squares and generalized degrees of freedom terms from GCV. The weight is chosen to maximize the decrease in the generalized degrees of freedom as a function of the weight value, while simultaneously minimizing aGCV as a function of the smoothing parameter and the change-points. Compared with GCV, simulation studies suggest that the aGCV method yields improved estimates of the change-point and the value of the function at the change-point. 相似文献
2.
Lauren M. Amaro Nataria T. Joseph Theresa M. de los Santos 《Journal of Family Communication》2019,19(2):144-156
New mothers frequently seek information and community on social networking sites as they seek to establish their parenting practices. As social networking sites for mothers (SNSM) present an environmental influence on the family system, a mother’s experience with social comparison, belonging, and emotion on SNSM can bear significant influence over her satisfaction with her parenting. The present study utilized survey methods to explore mothers’ (n= 336) reported experiences of these variables. We use structural equation modeling to specify a model with good fit, which indicated that greater downward comparison directly related to greater parenting satisfaction, with belonging and negative emotion as mediating indirect relationships. Implications for family communication and mothers’ SNSM practices are discussed. 相似文献
3.
Sophia Frydman 《Studies in Gender and Sexuality》2018,19(3):204-216
This article extends psychoanalytic theories of “holding” and “psychic skin” to examine the containing function of romantic love. It argues that love can function to organize our inner world, helping our lives feel coherent and protecting us from what feels externally threatening, whether projected elements of our own psyches, the risk of breakdown, or true dangers existing in reality. The containing function of love is looked at through instances where it fails, and loss of love precipitates psychic disintegration. Through clinical examples and studies of two novels, Elena Ferrante’s Days of Abandonment and Doris Lessing’s The Golden Notebook, this article proposes that living and loving without illusions of certainty opens possibilities for integrated love with whole and imperfect objects. 相似文献
4.
This issue examines struggles over public discursive power in late modern society, understanding that late modern publics are characterized by a destabilization of formerly unmarked public authorities, in other words, an unsettling of standardized “voices from nowhere” (Gal & Woolard, 2001). The contributions to the issue illustrate traditional social and academic elites’ discursive reactions to such developments. In the introduction, we outline different theoretical frameworks of modern and late‐modern publics, identify factors that contribute to a destabilization of modern certainties of social public order, and argue that a weakening of traditional public norms not only implies emancipation but also, as the contributions to the issue demonstrate, may bring along new forms of public dominance. For the positioning of contemporary sociolinguistic theory and practice, we conclude that it is the crucial task of the current public moment to critically self‐engage with our own relations with, and ideologies of, the public. Dieses Themenheft befragt Strukturen öffentlicher Diskursmacht in spätmoderner Gesellschaft und zeigt auf, dass spätmoderne Öffentlichkeit durch eine Destabilisierung von vormals unmarkierten Autoritäten ist, in anderen Worten, von standardisierten “voices from nowhere” (Gal & Woolard, 2001). Die Beiträge illustrieren Reaktionen traditioneller sozialer und akademischer Eliten hierauf. In dieser Einleitung skizzieren wir verschiedene theoretische Zugänge zu moderner und spätmoderner Öffentlichkeit, identifizieren Faktoren, die zu einer Destabilisierung von sozialen Gewissheiten der Moderne beitragen und legen dar, dass eine Schwächung traditioneller öffentlichen Normen nicht nur soziale Emanzipation impliziert sondern, wie die Beiträge zu diesem Heft zeigen, auch neue Formen öffentlicher Dominanz hervorbringt. In Bezug auf zeitgenössische soziolinguistische Theorie und Praxis schlussfolgern wir daraus, dass es im aktuellen öffentlichen Kontext eine zentrale Aufgabe der Soziolinguistik ist, sich kritisch mit den eigenen Beziehungen zu und Ideologien von Öffentlichkeit befassen. Das Themenheft soll zu dieser Auseinandersetzung beitragen. 相似文献
5.
Sophia Price 《International Feminist Journal of Politics》2019,21(1):67-88
This article develops an analysis of the concept of disciplinary neo-liberal feminism through a focus on gendered poverty alleviation strategies and illustrates the value of this through a discussion of microfinance. By locating this study within an analysis of the expansion of global capital accumulation, the article argues that the liberal frameworks of female empowerment and entrepreneurialism that are central to these programs and to feminism in this form, mask their underlying political, social and economic objectives. In contrast, a Marxist Feminist approach more adequately explains the interplay of class and gender that underpins poverty alleviation strategies. This article argues that in the context of financial crisis and reduced social provision, women living in poverty in the Global South were identified as targets for the expansion of global finance. Their integration into global financial networks via microfinance and other pro-poor strategies has facilitated the expansion of markets for credit while at the same time disciplining market participation through the twin forces of risk and incentive. Disciplinary neo-liberal feminism has underpinned this incorporation of women into global capital accumulation creating profound effects for households and families, with microfinance programs representing important sites of contestation for the politics of class and gender. 相似文献
6.
Gender inequality within the university is well documented but proposals to tackle it tend to focus on the higher ranks, ignoring how it manifests within precarious work. Based on data collected as part of a broader participatory action research project on casual academic labour in Irish higher education, the article focuses on the intersection of precarious work and gender in academia. We argue that precarious female academics are non‐citizens of the academy, a status that is reproduced through exploitative gendered practices and evident in formal/legal recognition (staff status, rights and entitlements, pay and valuing of work) as well as in informal dimensions (social and decision‐making power). We, therefore, conclude that any attempts to challenge gender inequality in academia must look downward, not upward, to the ranks of the precarious academics. 相似文献
7.
Migration is an increasingly common global phenomenon and has important implications for the well‐being of family members left behind. Although extensive research has examined the impact of parental labor migration on school‐age children, less is known about its effect on adolescents. In this study, the authors used longitudinal survey data collected in rural Mozambique (N = 515) to assess the association between father's migration and adolescent children's leaving the parental home, an important component of the transition to adulthood. The results showed that father's migration delays home‐leaving for adolescent girls and that these effects are not mediated by school enrollment. The results for boys were inconclusive. The authors also found that remittances and longer durations of paternal migration were negatively associated with the transition out of the home. On the basis of the findings, they argue that father's migration delays girls' marriage. 相似文献
8.
The relevance of institutional arrangements concerning the German school system for social inequalities remains comparatively unclear, due to the prevalent use of only simple and mostly static categories. The present study adds to this debate and analyses the effect of different regulations at the transition to upper secondary schools on educational achievement and social inequality. Duration of primary schooling and tracking recommendations are taken into account. Empirical analyses are based on information of the related Education Acts (1985–2010) as well as data from the German Socio-Economic Panel Study (SOEP). This approach constitutes a significant advancement as it allows for an overall identification of changes in the institutional features between and within states. Results indicate that children who attend primary schools that cover six instead of four years are more likely to be enrolled in an academic-track Gymnasium. These effects are especially strong for children with lower social background. There is no significant difference between secondary school systems with overall pure early tracking and school systems with fewer school tracks and delayed tracking in the sense that only students who don’t attend upper secondary school aren’t tracked after the fourth grade. Furthermore, the results reveal that the relative importance of (mandatory) track recommendations tends to be lower for children of parents with higher socioeconomic status, even if children in general are more likely to attend the Gymnasium at age 15, when the parents’ freedom of choice isn’t restricted by teachers’ recommendations. 相似文献
9.
One important domain of nonmarket-driven innovation is social innovation. Defined as “new ideas that have the potential to improve either the quality or the quantity of life,” social innovation stands in stark contrast to business innovation that focuses on creativity with the intention of making a profit. Drawing on research on motivation, creativity, rentier mentality, and Islamic work ethics, this article takes a motivational approach to social innovation and advances a proposition that prosocial motivation is of particular importance in fostering social innovation in the context of the UAE. We argue that due to policies that grant nationals high financial stability and affluence, UAE locals are less likely to be driven by extrinsic motivation, but rather by intrinsic motivation. We propose that enhancing their prosocial motivation will have a synergetic effect with their intrinsic motivation and therefore lead to higher social innovation. This article extends the literature on prosocial motivation, social innovation, and social entrepreneurship by identifying a geographical/cultural region where the motivational basis for social innovation is amplified. Significantly, this article questions common assumptions about a rentier mentality and proposes a path to leverage social innovation. Implications for policymakers and practitioners are discussed. 相似文献
10.
In jury decision-making, individual viewpoints must converge to reach a group consensus. Convergence of viewpoints may reflect reasonable compromises, for example if jury deliberations reflect informational influences and social learning which allow individual jurors to correct biases, misunderstandings and/or imperfect recall of evidence. Conversely, some individuals may converge towards others’ viewpoints because of normative influences including peer pressure and preferences for conformity and these can generate biases in the final jury judgements. This paper presents experimental data showing that groups do have a significant tendency to compromise in jury-like settings. Econometric evidence shows that group characteristics, including the presence of acquaintances and strangers within the jury group, affect the extent of compromise. The implications are that jury deliberations may be biased by factors not relevant to a specific case, limiting the objectivity of jury decisions. 相似文献