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41.
A partial order of discrete beliefs based on a generalization of item order in Guttman scaling generates a nonunidimensional collection of latent belief states that can be represented by a distributive lattice. By incorporating misclassification errors under local independence assumptions, the lattice structure is transformed into a latent class model for observed response states. We apply this model to survey responses dealing with government welfare programs and suggest that our approach can retrieve information where unidimensional and multidimensional models do not fit. The concluding section discusses directions for future work. 相似文献
42.
Peter A. Newman Kathleen J. Roberts Emmanuel Masongsong D. J. Wiley 《Journal of gay & lesbian social services》2013,25(4):328-353
ABSTRACT Knowledge and beliefs about anal cancer screening among gay and other men who have sex with men remains unclear, despite data that suggests significant risk for intra-anal HPV-related cancers. Nevertheless, community-based screening activities may be most effective when stakeholder perspectives are addressed. We conducted four focus groups among 16 male and 3 female health care advocates experienced in working with diverse gay and other men who have sex with men in Los Angeles. Barriers to anal cancer screening included lack of awareness, stigma, psychological and physical discomfort, the anus as hidden/private, primary concern with HIV, and men's lack of healthcare seeking. Facilitators were community screening sites, novel strategies such as home testing, health care system changes and targeted educational campaigns, which may increase anal cancer awareness and screening among ethnically diverse men who have sex with men. 相似文献
43.
George M. Wiley 《Social Studies》2013,104(1):3-6
This article discusses the role that teacher educators can play in helping their students develop a fuller understanding of world history. Trends such as globalization have led to calls for increased teaching about the diverse cultures and peoples of the world. However, prospective teachers’ educational backgrounds have in most cases not adequately prepared them to teach world history effectively. The article begins with a discussion of the historical evolution of the course in world history; it then defines different approaches to this field, and concludes by providing suggestions for how teacher educators can help their students bring a true version of world history to their classrooms. 相似文献
44.
A number of critical questions have arisen surrounding the value of using empirical data and analytical procedures in the formulation of social and/or public policy. This exploratory study illustrates how multivariate analyses can contribute to an objective formulation of compromise positions on a complex public policy issue. Both multidimensional scaling and analysis of variance were used to study how the perceptions of three divergent key influential groups could be integrated into a final legislative package. This researchbased methodology provides a more logical approach to public policy formulation than that typically offered by political compromise. 相似文献