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991.
John N. Thompson 《Researches on Population Ecology》1998,40(1):159-166
New populational approaches to the study of coevolution among species are confronting two major problems: the geographic scale at which coevolution proceeds, and the long-standing issue of how species may coevolve with more than one other species. By incorporating the ecological structure of life histories and populations into analyses of the coevolutionary process, these studies are indicating that coevolutionary change is much more ecologically dynamic than indicated by earlier work. Rather than simply a slow, stately process shaping species over long periods of time, parts of the coevolutionary process may proceed rapidly (sometimes observable in less than a decade), continually molding and remolding populations and communities locally and over broad geographic scales. 相似文献
992.
Cheryl Thompson 《Feminist Media Studies》2013,13(5):794-812
This article examines the representation of Black women's weight in contemporary diet advertising and African American film. It positions socioeconomic class as a significant factor that distinguishes between “good” weight and “bad” weight. I argue that there is a distinction to be made between representations of poor and working-class fat Black women and middle-class fat Black women. The increased presence of Black women as diet spokeswomen is also questioned. The social construction and filmic representation of the African American cuisine “Soul Food” and the political economic notion of neoliberalism are used as frameworks to deconstruct how notions of self-discipline, personal responsibility, and citizenship impact upon Black women's bodies. As a case study, I examine the careers of Oprah Winfrey and Gabourey Sidibe and the ways in which their weight has been differently coded based on class, the neoliberal rhetoric of “personal responsibility,” and food. I ultimately critique how contemporary media has helped to shape contemporary discourses on Black women's weight. 相似文献
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Tara M. Chaplin Jennifer A. Poon James C. Thompson Amysue Hansen Sarah L. Dziura Caitlin C. Turpyn Claire E. Niehaus Rajita Sinha Laurie Chassin Emily B. Ansell 《Social Development》2019,28(3):637-656
Parenting is a critical factor in adolescent social–emotional development, with maladaptive parenting leading to risk for the development of psychopathology. However, the emotion‐related brain mechanisms underlying the influence of parenting on psychopathology symptoms are unknown. The present study utilized functional magnetic resonance imaging and laboratory measures to examine sex‐differentiated associations among parenting, adolescent emotion‐related brain function, and substance use and psychopathology symptoms in 66 12–14‐year olds. Maternal parenting behaviors (warmth, negative parenting) were observed in a laboratory task. Adolescent brain responses to negative emotional stimuli were assessed in emotion processing regions of interest (left [L] and right [R] amygdala, anterior insula, and anterior cingulate cortex [ACC]). Adolescents reported on substance use and depressive, anxiety, and externalizing symptoms. Maternal negative parenting predicted adolescent brain activation differently by sex. For girls, negative parenting predicted heightened R ACC activation to negative emotional stimuli. For boys, negative parenting predicted blunted L and R anterior insula and L ACC activation. Furthermore, for girls, but not boys, heightened L anterior insula and heightened L and R ACC activation were associated with substance use and depressive symptoms, respectively. Findings suggest neural response to negative emotion as a possible sex‐specific pathway from negative parenting to psychopathology. 相似文献
997.
Keith Bilton 《Child & Family Social Work》1998,3(3):197-203
In the years since 1948, child and family social work has, to differing degrees at different times, sought to identify itself with a national centrally directed service, with the local service organization, with its clientele and with an independent source of professional regulation. Changes in the organizational context in which the work has been carried out over this period have affected the prospects for the development of a secure identity. The effects of the following are considered: national structures, particularly in relation to children's departments between 1948 and 1971; the corporate local authority; the managerial function in social services departments; social care; specialization; the detailed scrutiny of practice; care management and the Children Act 1989. 相似文献
998.
Juliana Thompson 《International Journal of Social Research Methodology》2018,21(5):575-589
Hermeneutic phenomenologists propose that researchers inescapably bring themselves into their research because interpretation must inevitably be influenced by their contexts and pre-understandings. They propose that interpretation is a dynamic and active part of the construction of a text’s meaning, and involvement in this construction process leads to deep empathic understanding of others’ experience, reappraisal of accepted social and cultural systems, and a level of self-enlightenment. The strengths of the hermeneutic methodological approach have led to its use in a number of disciplines, however, there remains concerns about interpretative validity. It is widely acknowledged that in order to support rigour and validity in hermeneutic studies, researchers are required to develop and integrate strategies within the research process to promote awareness of the interplay between their pre-understandings and interpretation. This paper discusses how episodic interviewing which capitalizes on ‘shared intelligibility’, and the reflexive strategies of ‘oppositional arrangement of perspectives’ and ‘backgrounding’ were used to shed light on data from a study of the experiences and views of nursing home nurses regarding their occupational role and status, and work identity. 相似文献
999.
Keith Horton 《Development policy review : the journal of the Overseas Development Institute》2010,28(1):27-42
The appeal I am making is (roughly speaking) for aid specialists to do more to help those of us who are not aid specialists to arrive at judgments about the effects of the work of (voluntary) aid agencies that we have at least some reason to think accurate. I argue that the fact that it is so difficult for us to arrive at such judgments at present has certain negative consequences, and that this gives those who are in a position to make it easier for us to arrive at such judgments strong reasons to do so. And I argue that (certain) aid specialists are in such a position. Hence my appeal to them to do so. 相似文献
1000.
There is a long-standing debate in Scotland over the use of upland areas, as initiatives to restore the native Caledonian pine forest are vying with traditional moorland management for shooting. 相似文献