3,182 research outputs found

    Enhancing memory access for less-skilled readers

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    Ericcson and Kintch (1995) suggested that less-skilled readers often have an impoverished representation of text. The results of five experiments demonstrated that the addition of causality enhanced the text representation of less-skilled readers. Experiments 1-3 showed that the addition of causal information enhanced less-skilled readers\u27 ability to detect global inconsistencies. Experiments 4 and 5 showed that the addition of causal information to updating information resulted in less-skilled readers updating to the same extent as skilled readers

    A Merged Aldol Condensation, Alkene Isomerization, Cycloaddition/Cycloreversion Sequence Employing Oxazinone Intermediates for the Synthesis of Substituted Pyridines

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    A domino reaction sequence has been evaluated that begins with union of novel dihydrooxazinone precursors with 2-alkynyl-substituted benzaldehyde components through aldol condensation. Ensuing operations, including alkene isomerization, Diels-Alder, and retrograde Diels-Alder with loss of CO2 occurs in the same reaction vessel to provide polysubstituted tricyclic pyridine products

    Promoting Client Welfare and Preserving Autonomy: Ethical Treatment of Eating Disorders

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    Counselors often experience an ethical dilemma when mandating treatment for clients with eating disorders. In this article, the authors will briefly discuss the characteristics of eating disorders, the impact of cognitive impairment on the decision to mandate treatment, and the ethical principles of autonomy, beneficence, and nonmalificence that counselors must consider when work-ing with clients from this population. To address ethical concerns, the authors will apply Welfel’s (2010) ethical decision-making model to a case involving a client with Anorexia Nervosa

    Economic Analysis of Children's Surgical Care in Low- and Middle-Income Countries: A Systematic Review and Analysis.

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    BackgroundUnderstanding the economic value of health interventions is essential for policy makers to make informed resource allocation decisions. The objective of this systematic review was to summarize available information on the economic impact of children's surgical care in low- and middle-income countries (LMICs).MethodsWe searched MEDLINE (Pubmed), Embase, and Web of Science for relevant articles published between Jan. 1996 and Jan. 2015. We summarized reported cost information for individual interventions by country, including all costs, disability weights, health outcome measurements (most commonly disability-adjusted life years [DALYs] averted) and cost-effectiveness ratios (CERs). We calculated median CER as well as societal economic benefits (using a human capital approach) by procedure group across all studies. The methodological quality of each article was assessed using the Drummond checklist and the overall quality of evidence was summarized using a scale adapted from the Agency for Healthcare Research and Quality.FindingsWe identified 86 articles that met inclusion criteria, spanning 36 groups of surgical interventions. The procedure group with the lowest median CER was inguinal hernia repair (15/DALY).Theproceduregroupwiththehighestmediansocietaleconomicbenefitwasneurosurgicalprocedures(15/DALY). The procedure group with the highest median societal economic benefit was neurosurgical procedures (58,977). We found a wide range of study quality, with only 35% of studies having a Drummond score ≥ 7.InterpretationOur findings show that many areas of children's surgical care are extremely cost-effective in LMICs, provide substantial societal benefits, and are an appropriate target for enhanced investment. Several areas, including inguinal hernia repair, trichiasis surgery, cleft lip and palate repair, circumcision, congenital heart surgery and orthopedic procedures, should be considered "Essential Pediatric Surgical Procedures" as they offer considerable economic value. However, there are major gaps in existing research quality and methodology which limit our current understanding of the economic value of surgical care

    Bridging the university-school divide - Horizontal expertise and the two-worlds pitfall

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    Research on teacher learning consistently documents the disjuncture between the practices beginning teachers encounter in university teacher preparation courses and those they reencounter in the K-12 classrooms in which they learn to teach. As preservice teachers enter teaching, they gravitate toward conventional K-12 practices, dismissing those endorsed by the university as impractical. In this article, the authors delineate the concept of horizontal expertise and document how its production and use can address this “two-worlds pitfall.” Drawing on the authors\u27 work creating a cross-institutional collaborative, they identify three processes central to the production of horizontal expertise in teacher education: the exchange of tools, the negotiation of social languages, and argumentation. They then trace its use across the university and school settings to show how horizontal expertise can rescript mentoring and expand dialogic practices in the university. The authors conclude by identifying the challenges of developing horizontal expertise in teacher educatio

    Supporting Department Chair Development: Learnings from the Leadership Cohort

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    This best practice presentation will highlight key features, benefits and challenges of a cohort-based leadership development program for chairs. We’ll engage with sample materials and activities used during cohort meetings and share recommendations for those looking to initiate leadership development programs on their campus

    Leadership Development for Department Chairs: Learnings Across Three Approaches

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    This session shares insights and recommendations from three approaches to faculty leadership development: a co-mentoring group for faculty leaders; a community of practice for mentoring; and a leadership development cohort. Participants will be invited assess and revise these recommendations to jointly inform best practices in faculty leadership development

    Erratum: Divergent activity of the gonadotropin-releasing hormone receptor gene promoter among genetic lines of pigs is partially conferred by nuclear factor (NF)- kB, specificity protein (SP)1-like and GATA-4 binding sites

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    BACKGROUND: Binding of gonadotropin-releasing hormone (GnRH) to its receptor (GnRHR) on gonadotropes within the anterior pituitary gland is essential to reproduction. In pigs, the GnRHR gene is also located near a genetic marker for ovulation rate, a primary determinant of prolificacy. We hypothesized that pituitary expression of the GnRHR gene is alternatively regulated in genetic strains with elevated ovulation rates (Chinese Meishan and Nebraska Index) vs. standard white crossbred swine (Control). METHODS: Luciferase reporter vectors containing 5118 bp of GnRHR gene promoter from either the Control, Index or Meishan swine lines were generated. Transient transfection of line-specific, full length, deletion and mutation constructs into gonadotrope-derived αT3-1 cells were performed to compare promoter activity and identify regions necessary for divergent regulation of the porcine GnRHR gene. Additionally, transcription factors that bind the GnRHR promoter from each line were identified with electrophoretic mobility shift assays (EMSA). RESULTS: Dramatic differences in luciferase activity among Control, Index and Meishan promoters (19-, 27- and 49-fold over promoterless control, respectively; P \u3c 0.05) were established. A single bp substitution (-1690) within a previously identified upstream enhancer (-1779/-1667) bound GATA-4 in the Meishan promoter and the p52/p65 subunits of nuclear factor (NF)-κB in the homologous Control/Index promoters. Transient transfection of vectors containing block replacement mutations of either the GATA-4 or NF-κB binding sites within the context of their native promoters resulted in a 50 and 60 % reduction of luciferase activity, respectively (P \u3c 0.05). Furthermore, two single-bp substitutions in the Meishan compared to Control/Index promoters resulted in binding of the p52 and p65 subunits of NF-κB and a specificity protein 1 (SP1)-like factor (-1235) as well as GATA-4 (-845). Vectors containing the full-length Meishan promoter harboring individual mutations spanning these regions reduced luciferase activity by 25 and 20 %, respectively, compared to native sequence (P \u3c 0.05). CONCLUSIONS: Elevated activity of the Meishan GnRHR gene promoter over Control/Index promoters in αT3-1 cells is partially due to three single nucleotide polymorphisms resulting in the unique binding of GATA-4 (-1690), the p52/p65 subunits of NF-kB in combination with a SP1-like factor (-1235), and GATA-4 (-845)

    On learning to teach English teachers: A textured portrait of mentoring

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    Smith et al provide a textured portrait of the mentoring of novice English teacher educators. They describe how their talk in the mentoring sessions helped them to interrogate English content and methods, reflect on English methods course design, learn meaningfully from practice, and rethink assumptions about preservice teachers as learners
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