نتایج جستجو برای: 26
تعداد نتایج: 162882 فیلتر نتایج به سال:
The present study investigated how Taiwanese children’s perceptions of classroom goal structure and personal goal orientations were related to each other and to their engagement in handicapping and test anxiety. Three hundred and twenty-six sixth-graders completed a self-report survey assessing their achievement goal orientations, perceptions of the classroom goal structure, use of self-handica...
BACKGROUND Molecular diagnostics have emerged as an efficient and feasible alternative for broad detection of pathogens in faeces. However, collection of stool samples is often impractical in both clinical work and in epidemiology studies. The aim of this study was to investigate the diagnostic performance of rectal swabs as compared with traditional faeces samples for detection of enteric agen...
Tracking and assessing student learning outcomes within one course can be accomplished with relative ease. However, the true challenge lies within providing data for student learning outcomes for an entire program. The purpose of this descriptive study was to discover and explain the fundamental lessons learned from the beginning stages of ePortfolio implementation in a cohort master's degree p...
ناشنوایی یک اختلال حسی-عصبی است که 60% آن ارثی می باشد و تاکنون ژنهای زیادی برای آن شناسایی شده است. هتروژنیتی بالا در ناشنوایی، معضلی در جهت شناسایی علت ژنتیکی بیماری و مشاوره ژنتیک ایجاد می باشد. بنابراین، محققان، مطالعه خانواده های بزرگ در جمعیت هایی مثل جمعیت خاورمیانه و از جمله ایران که فراوانی ازدواج خویشاوندی در آنها بالا می باشد پیشنهاد کرده اند. بنابراین هدف از مطالعه بررسی 35 خانواده ...
CONTENTS 1. McMullin on revolutions Initial statement. McMullin's challenges McMullin's own epistemology: retroduction My own question for Ernan 2. Empiricism vs Metaphysics Initial statement. Impossibility of a thesis driven critique Critique indeed value-driven, in part How can a stance provide an effective critique? Jauernig: the values involved Analogy to a moral stance How does this apply ...
Hedgehog and WNT signaling pathways network together during embryogenesis and carcinogenesis. Hedgehog signaling in intestinal epithelium represses canonical WNT signaling to restrict expression of WNT target genes to stem or progenitor cells; however, the mechanism remains unclear. The Hedgehog signal is transduced to GLI family transcription factors though Patched receptor, Smoothened signal ...
s of the 2nd Scientific Conference "Restauración Neurológica 2004" 252 Centro Internacional de Restauración Neurológica, Ciudad de la Habana, Cuba. Instituto Cajal, CSIC, Madrid, Spain Treatment with L-DOPA is today the most efficacious, non-invasive therapy for Parkinson’s Disease. However, chronic treatment with L-DOPA induces in most of the patients the appearance of abnormal involuntary mov...
We examine the e ect of shocks to teacher inputs on child performance in school. We start with a household optimization framework where parents spend optimally in response to teacher and other school inputs. This helps to isolate the impact of teachers from other inputs. As a proxy measure for these shocks, we use teacher absenteeism during a 30 day period. Shocks to teacher inputs have a signi...
Fluorination has gained an increasingly important role in drug discovery and development. Here we describe a versatile strategy that combines cytochrome P450–catalyzed oxygenation with deoxofluorination to achieve monoand polyfluorination of nonreactive sites in a variety of organic scaffolds. This procedure was applied for the rapid identification of fluorinated drug derivatives with enhanced ...
M. Fauerbach, 1,2 D. J. Morrissey, 2,3 W. Benenson, 1,2 B. A. Brown, 1,2 M. Hellström, 2,* J. H. Kelley, 1,2 R. A. Kryger, 1,2 R. Pfaff, 1,2 C. F. Powell, 2,3 and B. M. Sherrill 1,2 Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 Department of Chemi...
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