74 research outputs found

    Protecting Teachers or Protecting Children? Media Representations of Vergara v. California

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    Over the past five years, the laws governing teachers’ employment have been at the center of legal and political conflicts in state courts and elections across the United States.  Vergara v. California challenged five California state statutes that provide employment protections for teachers.  Drawing on the theory of political spectacle, we conducted a media content analysis of 42 print news media articles published prior to the court’s decision in June 2014.  Two aspects of political spectacle, the use of metaphor and the illusion of rationality were the most salient and deployed in ways that were more closely aligned with the student plaintiffs’ claims than the statutes’ defenders.  We conclude by highlighting how the framing of these and other similar stories may shape subsequent debates about public education in the United States.En la última década las leyes que rigen el empleo de docentes han estado en el centro de los conflictos jurídicos y políticos en los tribunales estatales y las elecciones en los Estados Unidos. El caso Vergara v. California desafió cinco leyes del estado de California que proporcionan protección laboral a los docentes. Basándonos en la teoría del espectáculo político, analizamos el contenido de 42 artículos publicadas en la prensa antes de la decisión de la corte en junio de 2014. Dos aspectos de la teoría de espectáculo político, el uso de metáforas y la ilusión de la racionalidad fueron los más destacados y usados de manera estrechamente alineadas con las demandas sobre los estatutos de los estudiantes en detrimento de las demandas de la defensa. Concluimos, poniendo de relieve la forma en que este tipo de encuadramiento sobre esta y otras historias similares puede afectar futuros debates sobre la educación pública en los Estados Unidos

    “Universidade da Democracia: A universidade comunitária americana no Século XXI”: Delimitação da discussão.

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    In this manuscript, the guest editors of the EPAA Special Issue on “Democracy’s College: The American Community College in the 21st Century”: a) introduce the background, history, and context of community colleges in the larger higher education landscape; b) summarize the three research papers and two video commentaries that were peer-reviewed and selected for inclusion in this special issue; and, c) discuss the individual contributions and major themes across the selected papers. Their importance is discussed in terms of each paper’s insights for the general research on this topic and each paper’s potential to inform community college research, practice, and policy.En este trabajo, las editoras de este número especial de EPAA en la "Universidad de la Democracia: La universidad  comunitaria en el siglo XXI: a) presenta los antecedentes, la historia, el contexto de la universidad  comunitaria (en inglés Community Colleges) en el escenario más amplio de la educación superior b) presenta un resumen de los tres artículos de investigación y de los dos videos con comentarios que han sido evaluados por pares y seleccionados para formar parte de este número especial, y c) analiza las contribuciones individuales y los principales temas transversales a los trabajos seleccionados. Se discute la relevancia de cada trabajo en términos de las ideas que cada uno aporta a la labor de investigación general sobre este tema y el potencial de cada trabajo para informar a la investigación, la práctica y la política en las universidades  comunitarias.Neste texto, os editores convidados do Número Especial da AAPE sobre “Universidade da Democracia: A universidade comunitária americana no Século XXI”: a) introduz o plano de fundo, história, e contexto das universidades comunitárias (em inglês Community Colleges) no cenário mais amplo da educação superior; b) resume os três trabalhos de investigação e os dois comentários a vídeos que foram revistos por pares e selecionados para integrar este número especial; e, c) discute as contribuições individuais e os principais temas transversais aos trabalhos selecionados. A sua importância é discutida em termos das ideias que cada um dos trabalhos traz para a pesquisa geral sobre este tema e o potencial de cada trabalho para informar a investigação, as práticas e as políticas sobre faculdades comunitárias

    Interdistrict and Charter School Mobility in Arizona: Understanding the Dynamics of Public School Choice

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    We investigate the mobility patterns of elementary students enrolled in Arizona’s traditional public school districts and charter schools. We address interdistrict and charter school mobility simultaneously. Most student movement is interdistrict or between school districts. In Arizona, interdistrict mobility has played a greater role in creating and sustaining the “educational market” than charter schools. There is also a substantial amount of student movement from charter schools to school districts. Regression analyses suggested that the relationship between demographic and achievement variables and the different types of student mobility differed across the two sectors. We also document regional differences in mobility patterns, which indicate that education markets vary considerably across and even within local contexts

    The advanced placement opportunity gap in Arizona: access, participation, and success

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    Participation in Advanced Placement (AP) classes and AP test-taking are widely viewed as indicators of students’ college readiness. We analyzed enrollment in AP courses and AP test outcomes in Arizona to document disparities in students’ access to rigorous curricula in high school and outline some implications of these patterns for education stakeholders. Findings suggest that although 80% of high schools in Arizona offered at least one AP course, the total number of AP courses offered varied considerably across schools. Small schools and schools that served higher percentages of minority students were less likely to offer a wide range of AP courses than large schools and schools with majority White student populations. Although Hispanic students were underrepresented in AP courses, they had the highest test-taking rate. Only a third of the Hispanic students who took AP courses passed the AP test

    Increased Muscle Stress-Sensitivity Induced by Selenoprotein N Inactivation in Mouse: A Mammalian Model for SEPN1-Related Myopathy

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    Selenium is an essential trace element and selenoprotein N (SelN) was the first selenium-containing protein shown to be directly involved in human inherited diseases. Mutations in the SEPN1 gene, encoding SelN, cause a group of muscular disorders characterized by predominant affection of axial muscles. SelN has been shown to participate in calcium and redox homeostasis, but its pathophysiological role in skeletal muscle remains largely unknown. To address SelN function in vivo, we generated a Sepn1-null mouse model by gene targeting. The Sepn1−/− mice had normal growth and lifespan, and were macroscopically indistinguishable from wild-type littermates. Only minor defects were observed in muscle morphology and contractile properties in SelN-deficient mice in basal conditions. However, when subjected to challenging physical exercise and stress conditions (forced swimming test), Sepn1−/− mice developed an obvious phenotype, characterized by limited motility and body rigidity during the swimming session, as well as a progressive curvature of the spine and predominant alteration of paravertebral muscles. This induced phenotype recapitulates the distribution of muscle involvement in patients with SEPN1-Related Myopathy, hence positioning this new animal model as a valuable tool to dissect the role of SelN in muscle function and to characterize the pathophysiological process

    Spatio-Temporal Differentiation and Sociality in Spiders

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    Species that differ in their social system, and thus in traits such as group size and dispersal timing, may differ in their use of resources along spatial, temporal, or dietary dimensions. The role of sociality in creating differences in habitat use is best explored by studying closely related species or socially polymorphic species that differ in their social system, but share a common environment. Here we investigate whether five sympatric Anelosimus spider species that range from nearly solitary to highly social differ in their use of space and in their phenology as a function of their social system. By studying these species in Serra do Japi, Brazil, we find that the more social species, which form larger, longer–lived colonies, tend to live inside the forest, where sturdier, longer lasting vegetation is likely to offer better support for their nests. The less social species, which form single-family groups, in contrast, tend to occur on the forest edge where the vegetation is less robust. Within these two microhabitats, species with longer-lived colonies tend to occupy the potentially more stable positions closer to the core of the plants, while those with smaller and shorter-lived colonies build their nests towards the branch tips. The species further separate in their use of common habitat due to differences in the timing of their reproductive season. These patterns of habitat use suggest that the degree of sociality can enable otherwise similar species to differ from one another in ways that may facilitate their co-occurrence in a shared environment, a possibility that deserves further consideration
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