780 research outputs found

    Reflections in the Mirror: Women’s Self Comparisons to Mannequins and Peers

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    The fashion industry has been under fire for years for using unrealistic body sizes in the form of stick-thin fashion models to promote the sale of clothing. Typical Western fashion models in today’s society are sized 0-2 and weigh approximately 23% less than the average U.S. woman, who weighs approximately 163 pounds and wears a size 14 (Vesilind, 2009). According to Vartanian (2009), many women suffer from body image self-discrepancies when they compare themselves with others, including fashion models. As such, social comparison has been documented to create negative emotions, such as body dissatisfaction and disappointment (Posavac & Posavac, 2002). Although a number of studies have investigated how an idealized body image in media impacts social comparison among females, no research has explored to what extent comparisons of mannequins to a customer’s self may impact self-image and consumer behavior. Since mannequins serve to show consumers how clothing may look on the human body and consumers may be drawn to the clothing due to the way the clothing fits the mannequin and/or the poise, stature, or grace of the mannequin itself (Schneider, 1997), it should be expected that mannequins would also influence self-image and behavior. Utilizing Social Comparison Theory as the theoretical foundation, this study examines the influencing factors affecting U.S. females\u27 social comparison tendencies and psychological well-being when a female compares her body to that of a mannequin and to other women. Data was collected using an online survey through the use of snowball convenience sampling, yielding 314 usable responses. Results indicate that the use of idealized mannequins in retail stores have a significant impact on social comparison and body dissatisfaction for female consumers. These results suggest that female consumers do indeed compare their bodies to those of mannequins and that the greater the discrepancy between the size of the mannequin and their own size, the more dissatisfied the woman is with her body. This research extends Social Comparison Theory as the findings show women also compare themselves to mannequins. In addition, results of this study show that women who are categorized with a BMI classification of overweight or obese are more likely to compare themselves to other females. Results also show that the top five body parts/characteristics most commonly compared to mannequins and other females are body size, weight, body shape, waist, and legs

    Preparing the Next Generation of Science Teacher Educators: A Model for Developing PCK for Teaching Science Teachers

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    DOI:10.1007/s10972-008-9115-6 http://www.springerlink.com/content/a1j4p781335r2548/fulltext.pdfScience education doctoral programs often fail to address a critical piece—the explicit attention to the preparation of future science teacher educators. In this article, we argue that, in addition to developing skills and a knowledge base for research, doctoral students must be given the opportunity to observe, practice, and reflect on the pedagogical knowledge necessary to instruct science teachers. In particular, we contend that the construct of pedagogical content knowledge (PCK) can be adapted to the context of knowledge for teaching science teachers. We use the PCK construct to propose a model for the development of knowledge for teaching science teachers, grounded in our experiences as doctoral students and faculty mentors. We end by recommending a vision for doctoral preparation and a new standard to be included in the ASTE Professional Knowledge Standards for Science Teacher Educators

    Methods or Madness: Preparing the Next Generation of Elementary Science Teacher Educators

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    This conference paper was presented at the Association for Science Teacher Education in Clearwater, FL in January 2007. Contains graphs and policy guidelines.In recent surveys of doctoral students in all fields (Fagen & Niebur, 2000; Nyquist & Woodford, 2000), respondents shared concerns that an overemphasis on research led to inadequate preparation for teaching, curricular planning, collegiality, and service. In one study (Davis & Fiske, 1999), 50% of respondents felt they received inadequate preparation as teaching assistants, and 59% felt that faculty in their programs did not emphasize the importance of teaching. A 2001 survey (Golde & Dore) indicated that most current doctoral students are primarily interested in becoming faculty members, even though most will not begin their careers in the types of institutions where they received their doctoral training. We often use such evidence to criticize our colleagues in the sciences about the inadequacies of their doctoral programs in preparing the next generation of university science instructors. However, what happens when we look inward to examine doctoral programs in science education

    Promoting natural regeneration for the restoration of Juniperus communis: a synthesis of knowledge and evidence for conservation practitioners

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    Questions: Natural regeneration is central to plant conservation strategies. Worldwide, many Juniperus species are threatened due to their failure to regenerate. We focus on Juniperus communis in areas of NW Europe where it is declining and ask: what advice is available to land managers on natural regeneration methods, and when applied, how effective has this been? Methods: We synthesize knowledge on the efficacy of management interventions and conditions associated with J. communis regeneration. In field trials, we test interventions where knowledge is lacking. We assess regeneration of J. communis, creation of regeneration microsites and germination of sown seed in response to the interventions. Results: Although J. communis occurs in different habitats, there is consistency in site conditions important for regeneration (unshaded/open, short ground vegetation, disturbed/bare ground, low herbivore pressure). In calcareous grasslands, areas with regeneration are stony/bare or vegetation is short or sparse; in upland acid grasslands and dry heathlands regeneration locations are disturbed areas sometimes with a moss cover. Several interventions (grazing, scarification, turf stripping) can create regeneration conditions. The synthesis identified cattle grazing and ground scarification for further testing on upland acid grasslands. In the resulting field trials, regeneration was rare and recorded on only one cattle-grazed site. An exposed moss layer characterized regeneration microsites but there was insufficient evidence that either intervention increased regeneration microsite frequency. Few sown seeds germinated. Conclusions: Different interventions or intensities of these appear to be required depending on habitat type. Broadly, on calcareous grassland intense scarification or soil stripping is needed, while on dry heathlands light scarification is suitable. On upland acid grassland, cattle grazing and ground scarification do not reliably result in regeneration. Creation of favourable mossy regeneration microsites is unlikely following intervention, unless soil fertility is low. Land-use change, increased climate warming and pollution are pressures acting on J. communis and may cause habitat loss and altered site conditions (e.g. soil fertility), making it difficult to create regeneration microsites at all J. communis sites. Other constraints on regeneration may operate (e.g. seed predation and low seed viability) and managers should assess population and site potential before undertaking management

    Parenting while living with advanced cancer: A qualitative study

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    Patients with advanced cancer who have dependent children are an important population with a life-limiting illness and high levels of psychological distress. Few studies have addressed the experience of being a parent with advanced cancer and their potential palliative needs

    Asymptomatic giant coronary aneurysm in an adolescent with Behcet's syndrome

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    <p>Abstract</p> <p>Objective</p> <p>Behcet's is an idiopathic multi-organ syndrome, which may have onset during childhood. Vascular involvement is uncommon, with rarely reported coronary aneurysm formation. We present a case report of a teenager girl who developed recalcitrant life-threatening Behcet's vasculitis, involving both small and large venous and arterial systems including a giant coronary aneurysm.</p> <p>Case report</p> <p>De-identified data were collected retrospectively in case report format. Although our sixteen year old female with Behcet's vasculitis had resolution of many arterial aneurysms, she had persistent venous thrombosis of large vessels, as well as persistent, giant arterial aneurysms requiring intra-arterial coiling of a lumbar artery and coronary bypass grafting despite intensive immunosuppression including glucocorticoids, cyclophosphamide, infliximab, methotrexate, azathioprine and intravenous immunoglobulin.</p> <p>Conclusions</p> <p>Vascular manifestations may be seen in Behcet's syndrome, including asymptomatic coronary aneurysm, which may be refractory to immunosuppression and ultimately require surgical intervention. Increased awareness is essential for prompt diagnosis and management.</p

    Consumers' salient beliefs regarding dairy products in the functional food era: a qualitative study using concepts from the theory of planned behaviour

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    <p>Abstract</p> <p>Background</p> <p>Inadequate consumption of dairy products without appropriate dietary substitution may have deleterious health consequences. Social research reveals the factors that may impede compliance with dietary recommendations. This is particularly important given the recent introduction of functional dairy products. One of the challenges for public health professionals is to demonstrate the efficacy of nutrition education in improving attitudes toward nutrient rich foods. The aim of this study was to explore the salient beliefs of adult weight loss trial participants regarding both traditional and functional dairy products and to compare these with a control group not exposed to nutrition education.</p> <p>Methods</p> <p>Six focus groups were conducted, three with weight loss trial completers (<it>n </it>= 15) that had received nutrition education and three with individuals from the same region (<it>n </it>= 14) to act as controls. Transcribed focus groups were coded using the Theory of Planned Behaviour theoretical framework.</p> <p>Results</p> <p>Non-trial participants perceived dairy foods as weight inducing and were sceptical of functional dairy products. A lack of time/ability to decipher dairy food labels was also discussed by these individuals. In contrast trial participants discussed several health benefits related to dairy foods, practised label reading and were confident in their ability to incorporate dairy foods into their diet. Normative beliefs expressed were similar for both groups indicating that these were more static and less amenable to change through nutrition education than control and behavioural beliefs.</p> <p>Conclusions</p> <p>Nutrition education provided as a result of weight loss trial participation influenced behavioural and control beliefs relating to dairy products. This study provides a proof of concept indication that nutrition education may improve attitudes towards dairy products and may thus be an important target for public health campaigns seeking to increase intake of this food group.</p

    The contributions of biodiversity to the sustainable intensification of food production:Thematic Study to support the State of the World’s Biodiversity for Food and Agriculture

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    Biodiversity supports sustainable food production, although recognition of its roles has been relatively neglected in the sustainable intensification literature. In the current study, the roles of biodiversity in sustainable food production are considered, assessing how these roles can be measured, the current state of knowledge and opportunities for intervention. The trajectory of global food production, and the challenges and opportunities this presents for the roles of biodiversity in production, are also considered, as well as how biodiversitybased interventions fit within wider considerations for sustainable food systems. The positive interactions between a diverse array of organisms, including annual crops, animal pollinators, trees, micro-organisms, livestock and aquatic animals, support food production globally. To support these interactions, a range of interventions related to access to materials and practices are required. For annual crops, major interventions include breeding crops for more positive crop–crop interactions, and the integration of a wider range of crops into production systems. For animal pollinators, major interventions include the introduction of pollinator populations into production landscapes and the protection and improvement of pollinator habitat. For trees, a major required intervention is the greater integration of perennial legumes into farmland. For micro-organisms, the implementation of agronomic practices that support beneficial crop-microbe interactions is crucial. For livestock production, breed and crop feedstock diversification are essential, and the implementation of improved methods for manure incorporation into cropland. Finally, in the case of aquatic production, it is essential to support the wider adoption of multi-trophic production systems and to diversify crop- and animal-based feed resources. These and other interventions, and the research needs around them, are discussed. Looking to the future, understanding the drivers behind trends in food systems is essential for determining the options for biodiversity in supporting sustainable food production. The increased dominance of a narrow selection of foods globally indicates that efforts to more sustainably produce these foods are crucial. From a biodiversity perspective, this means placing a strong emphasis on breeding for resource use efficiency and adaptation to climate change. It also means challenging the dominance of these foods through focusing on productivity improvements for other crop, livestock and aquaculture species, so that they can compete successfully and find space within production systems. New biodiversity-based models that support food production need not only to be productive but to be profitable. Thus, as well as describing appropriate production system management practices that enhance production and support the environment, the labour, knowledge, time required to operationalize, and other costs of new production approaches, must be considered and minimized. To support the future roles of biodiversity in sustainable food production, we recommend that particular attention be given to the longitudinal analysis of food sectors to determine how the diversity of foods consumed from these sectors has changed over time. Analysis is already available for crops, but related research is needed for livestock and aquaculture sectors. This analysis will then support more optimal cross-sectoral interactions, in terms of the contributions each sector provides to supplying the different components of human diets. Additional meta-analyses and synthetic reviews of case studies are required as an evidence base for biodiversity-based food production system interventions, but future studies should pay more attention to articulating the potential biases in case study compilation (the problem of ‘cherry picking’ positive examples) and the measures that have been taken to minimize such effects
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