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This paper provides an examination of the theoretical orientation of constructivism and its application to social work practice as well as the application of social constructionism to understanding and influencing social welfare policy. Explored are the ways in which these postmodern concepts when applied in social work practice and policy courses and reinforced in fieldwork training, provide a means to more readily link the content of these courses. Finally, it is argued that the concepts of constructivism and social constructionism offer a means to open the doors of inquiry and to the development of a range of new opportunities, theories, and interventions conducive to social work practice in its broadest sense.  相似文献   
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The results of a national survey of 51 social work doctoral program directors indicate that, although the majority of doctoral programs include preparation for teaching as a program objective, they offer limited formal course work and few opportunities for supervised teaching experiences. The authors discuss the results of this survey and make recommendations for better preparing social work doctoral students for their roles as teachers.  相似文献   
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In a wide variety of biomedical and clinical research studies, sample statistics from diagnostic marker measurements are presented as a means of distinguishing between two populations, such as with and without disease. Intuitively, a larger difference between the mean values of a marker for the two populations, and a smaller spread of values within each population, should lead to more reliable classification rules based on this marker. We formalize this intuitive notion by deriving practical, new, closed-form expressions for the sensitivity and specificity of three different discriminant tests defined in terms of the sample means and standard deviations of diagnostic marker measurements. The three discriminant tests evaluated are based, respectively, on the Euclidean distance and the Mahalanobis distance between means, and a likelihood ratio analysis. Expressions for the effects of measurement error are also presented. Our final expressions assume that the diagnostic markers follow independent normal distributions for the two populations, although it will be clear that other known distributions may be similarly analyzed. We then discuss applications drawn from the medical literature, although the formalism is clearly not restricted to that application.  相似文献   
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We propose a circumplex model and typology of patterns of couple engagement to help therapists assess and shape positive couple engagement, prerequisite to successful resolution of relational trauma. View or value of self in relation to other (VSIRO) is conceived as a primary engine organizing couple relationships and patterns of engagement. VSIRO is conceptualized along a continuum anchored at opposite poles by inflated (self‐aggrandizing) versus collapsed (self‐negating) VSIRO, with a balanced (egalitarian) VSIRO as the target position, consisting of self and other mutuality, respect, and equality. Two axes (one for each partner) form the circumplex model of five couple configurations—four quadrants plus a balanced, mid‐axes region. Using couple configuration conceptualization to address patterns of engagement is an essential prerequisite to resolving couple relational trauma.  相似文献   
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Advance letters are being used increasingly to combat the declinein response rates, but their effectiveness depends partly ontheir being read. In the face of the post-9/11 anthrax mailingscare, the Office for Survey Research (OSR) converted to usingadvance postcards rather than advance letters. Subsequently,the OSR conducted an experiment to test the effectiveness ofsending letters, postcards, or nothing to directory-listed numbersselected in a large random digit dial (RDD) telephone survey.In terms of response rates, the results clearly indicate thatsending advance letters is more effective than sending postcards,which, in turn, is more effective than sending nothing. A detailedcost-effectiveness evaluation indicates that sending lettersactually saves money, despite the increased costs associatedwith the mailings, compared to sending postcards; sending postcardsis also more cost-effective than not sending anything.  相似文献   
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The current challenges confronting career counselors require increased discourse regarding career counseling models. Some authors have initiated this discourse, but more participants are needed. The need also exists to communicate more aggressively the special expertise that career counselors bring to their work. As career counselors construct contemporary intervention models, they will need to engage in action research to demonstrate accountability and to document that their services are effective. Career counselors can embrace these activities by building on past practices to construct a vision for the future.  相似文献   
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