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881.
Changing economic ideologies and a new emphasis on entrepreneurial opportunities have led to a rise in self‐employment in Canada, especially among women. Although some people benefit from self‐employment, it is considered to be a precarious form of employment. Despite a growing body of literature on gender and self‐employment, there is more to learn about its precarious nature across industries and types of entrepreneurs. This ethnographic study examines the experiences of self‐employed nurses in order to better understand self‐employment in professional caring work. In some ways, these nurses' experiences fit with what is known about female self‐employment but this specific sector highlights how precariousness can take different forms across different areas of work. In particular, this study reveals new insights about the complexity and ambiguity of precariousness.  相似文献   
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The degrees are a classical and relevant way to study the topology of a network. They can be used to assess the goodness of fit for a given random graph model. In this paper, we introduce goodness-of-fit tests for two classes of models. First, we consider the case of independent graph models such as the heterogeneous Erdös-Rényi model in which the edges have different connection probabilities. Second, we consider a generic model for exchangeable random graphs called the W-graph. The stochastic block model and the expected degree distribution model fall within this framework. We prove the asymptotic normality of the degree mean square under these independent and exchangeable models and derive formal tests. We study the power of the proposed tests and we prove the asymptotic normality under specific sparsity regimes. The tests are illustrated on real networks from social sciences and ecology, and their performances are assessed via a simulation study.  相似文献   
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The purpose of the present study was to assess whether intraverbal behavior, in the form of answers to questions, emerges as a result of listener training for five children diagnosed with autism. Listener responses were targeted and taught using prompting and differential reinforcement. Following successful acquisition of listener responses, the intraverbal form of the response was probed. Data were evaluated via a nonconcurrent multiple-baseline design that included a control series. Results showed listener-to-intraverbal transfer for four of the five participants. One participant required additional teaching that involved tacting the items selected during listener training.

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888.
Due to high failure rates of new products, marketers are seeking ways to actively manage the diffusion of innovations. It is well accepted that individuals, who exert a remarkably strong influence on others and are usually called opinion leaders, play an important role in the diffusion process. In marketing, such opinion leaders are typically identified by self-designation, which can be biased. A second option to identify opinion leaders is the use of sociometric data which becomes increasingly available. In this paper we examine the effect of social position on the perceived opinion leadership and the resulting behavioral intention in terms of adoption behavior. In an empirical study, we examine the adoption of a new drug called “Byetta” and find that sociometric opinion leadership is an antecedent of the psychometric characteristic. Our results also confirm that such opinion leaders are more likely to adopt innovations. We also find that opinion seekers, individuals who often sought information or opinions from interpersonal sources, can be more easily identified with psychometric data. They are more restrictive in terms of adoption. Interestingly, both types are active as market mavens and thus may either advocate the adoption of the innovation or may be frankly conservative regarding the new product adoption. If opinion seekers can, however, be persuaded to adopt the innovation, they may also serve as an important multiplier. This has several implications for pharmaceutical firms that try to optimize their sales force—influencing opinion leaders may indeed start and fasten the adoption process of innovative products. But it is also necessary to allay opinion seekers’ doubts since they might slow down the adoption process. The identification of opinion leaders might not only be based on difficult to obtain psychometric data, but also on sociometric data from social networks, which is becoming more and more available.  相似文献   
889.

Problem

Australian Aboriginal women’s aspirations for birthing on country (having our babies born on our traditional land) are increasingly being reported in Australian scholarly and policy literature. However given the paucity of publications authored by Aboriginal Australians from remote areas of Australia, how well can the current knowledge base in Australia inform the development of culturally appropriate maternity services for our communities?

Objective

The aim of this literature review is to critically analyse the policy documents informing maternity services policy and scholarly literature on the birthing experiences (including the provision of maternity services) of Aboriginal Australian women from remote communities from an Indigenous standpoint.

Method

Policy documents and scholarly literature were critically analysed to identify who the authors were, their background, approaches and perspectives; and emergent themes. A further analysis of the literature drew on Fairclough’s ideas on discourse, power and hegemony.

Findings

A critical discourse analysis of this literature exposed how these texts are ideologically shaped to give voice (and power) to the medical fraternity, maternity care services practitioners and policy makers (whose knowledge is valued) while simultaneously silencing the voices of Aboriginal Australians that pose a challenge to that power.

Conclusion

This critical review of current literature highlights the importance of ongoing critique of maternity services policy and practice discourse necessary to combat western medical hegemony that maintains the disenfranchisement of Aboriginal Australians.  相似文献   
890.
Sarah Mueth 《Serials Review》2019,45(3):119-120
Abstract

This article, based on a lightning talk held at the 2019 North Carolina Serials Conference, outlines strategies for starting a job after it’s been vacant for a period of time. The author details experiences from her first year and how she coped with the challenges this situation presented.  相似文献   
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