Developing young readers through the linguistic phonics approach     

Colette Gray  James Ferguson  Sarah Behan  Carol Dunbar  Jill Dunn  Denise Mitchell 《International Journal of Early Years Education》2007,15(1):15-33

This paper reports findings from a large‐scale evaluation undertaken to explore the impact of the ‘linguistic phonics approach’ (LPA) on young children’s reading. The LPA is a systematic and applied programme that differs from traditional phonics programmes. For example, rather than ask children to look at letters and speculate on the sounds they make, the LPA begins with the sounds and oral language skills children bring with them to school and progresses to a stage where they marry sounds with the written word. Implicit in the approach is the notion that children can learn to make associations between their spoken language (native speech sounds which are embedded from around the age of one) and the written language. Findings from this three‐stage test/retest matched‐samples evaluation (n = 745, Yr 2 and Yr 3 pupils) indicate that the LPA does significantly raise standards and that the gains made by pupils taught through this approach sustain over time. Particularly worthy of note is the finding that, in contrast to non‐systematic phonics approaches, the LPA positively affects the attainment levels of high‐, middle‐ and low‐ability readers.  相似文献   

Sexual victimization and adolescent weight regulation practices: a test across three community based samples     

Thompson KM  Wonderlich SA  Crosby RD  Mitchell JE 《Child abuse & neglect》2001,25(2):291-305

OBJECTIVE: This study had four objectives: 1) to examine the association between sexual victimization and weight regulation across three samples of adolescent girls, 2) to assess whether sexual victimization is associated with more extreme forms of weight regulation in girls, 3) to discern whether sexual victimization has implications for the use of multiple forms of weight regulation, and 4) to address the role of physical victimization in explaining these relationships. METHOD: Data from three separate samples of 9th-12th graders were used to test these hypotheses. Girls from the upper Midwest responded to survey questions related to victimization and weight regulation in a largely urban sample (N = 2,086), a rural sample (N = 2,629), and a statewide sample (N = 966). RESULTS: Logistic regression revealed that sexual victimization was consistently associated with weight regulation in adolescent girls, independent of the effects of physical victimization. In the urban sample, being sexually victimized was associated with an increase in the probability of purging by 18% relative to not being sexually victimized. Sexual victimization was associated more strongly with extreme forms of weight regulation and significantly discriminated whether girls would choose multiple weight regulation forms. CONCLUSIONS: Sexual victimization contributes unique variance to the probability that girls will practice weight regulation techniques. Data from three independent samples confirms that being violated sexually places girls at risk for various health compromising eating behaviors.  相似文献   

Serum Lp(a) in diabetics with and without evidence of clinical nephropathy—A preliminary study     

S. Jaya Kumari  Nivedita Jayaram  Lloyd Vincent  T. Venkatesh 《Indian journal of clinical biochemistry : IJCB》2002,17(1):45-48

Type 2 diabetes is associated with a marked increase in the risk of coronary artery disease. Dyslipidaemia is believed to be a major cause of this increased risk. Recently, elevated levels of lipoprotein (a), Lp(a), have been reported to be associated with an increased risk. However there is very little data regarding Lp(a) concentrations and type 2 diabetes from India. The objective of the study was to assess serum Lp(a) levels in type 2 diabetics with and with out evidence of clinical nephropathy. We estimated serum Lp(a) levels in 30 control subjects, 30 diabetics without evidence of clinical nephropathy and 30 diabetics with evidence of clinical nephropathy. Statistical analysis showed that Lp(a) levels were increased in diabetic patients with nephropathy (mean 46.3±17.6 mg/dl). The Lp(a) levels however did not differ significantly between control (mean 20.2±15.9 mg/dl) and diabetics without nephropathy (mean 22.6±13.1mg/dl). Thus diabetes per se seems to have little or no influence on serum Lp(a) levels, however elevated levels were seen in patients with nephropathy.  相似文献   

Improving students’ help-seeking skills using metacognitive feedback in an intelligent tutoring system     

Ido Roll  Vincent AlevenBruce M. McLaren  Kenneth R. Koedinger 《Learning and Instruction》2011,21(2):267-280

The present research investigated whether immediate metacognitive feedback on students’ help-seeking errors can help students acquire better help-seeking skills. The Help Tutor, an intelligent tutor agent for help seeking, was integrated into a commercial tutoring system for geometry, the Geometry Cognitive Tutor. Study 1, with 58 students, found that the real-time assessment of students’ help-seeking behavior correlated with other independent measures of help seeking, and that the Help Tutor improved students’ help-seeking behavior while learning Geometry with the Geometry Cognitive Tutor. Study 2, with 67 students, evaluated more elaborated support that included, in addition to the Help Tutor, also help-seeking instruction and support for self-assessment. The study replicated the effect found in Study 1. It was also found that the improved help-seeking skills transferred to learning new domain-level content during the month following the intervention, while the help-seeking support was no longer in effect. Implications for metacognitive tutoring are discussed.  相似文献   

Differential effects of a long teacher training internship on students’ learning-to-teach patterns     

Vincent Donche  Maaike D. Endedijk  Tine van Daal 《欧洲师范教育杂志》2015,38(4):484-495

To become a lifelong learner as a teacher, student teachers already have to learn how to direct their own learning during initial teacher education programmes. Previous empirical research has shown that student teachers differ in their patterns of learning-to-teach, but few is known about the changeability of these learning patterns throughout teacher education and the role of teacher training internships in this. In this study, the changes in student teachers’ patterns of learning-to-teach amongst pre-service teachers were investigated using a longitudinal design. 253 student teachers were asked to complete the ‘Inventory Learning To Teach Process’ questionnaire at two points during the last semester of a three-year teaching programme: immediately prior to and immediately following a long teacher training internship. The results of this study demonstrate that learning-to-teach patterns are subject to a relative degree of change. In particular, survival-oriented student teachers appear to have undergone a greater degree of change after the long teacher training internship.  相似文献   

Microfluidic platform for separation and extraction of plasma from whole blood using dielectrophoresis     

Crispin Szydzik  Khashayar Khoshmanesh  Arnan Mitchell  Christian Karnutsch 《Biomicrofluidics》2015,9(6)

Microfluidic based blood plasma extraction is a fundamental necessity that will facilitate many future lab-on-a-chip based point-of-care diagnostic systems. However, current approaches for providing this analyte are hampered by the requirement to provide external pumping or dilution of blood, which result in low effective yield, lower concentration of target constituents, and complicated functionality. This paper presents a capillary-driven, dielectrophoresis-enabled microfluidic system capable of separating and extracting cell-free plasma from small amounts of whole human blood. This process takes place directly on-chip, and without the requirement of dilution, thus eliminating the prerequisite of pre-processed blood samples and external liquid handling systems. The microfluidic chip takes advantage of a capillary pump for driving whole blood through the main channel and a cross flow filtration system for extracting plasma from whole blood. This filter is actively unblocked through negative dielectrophoresis forces, dramatically enhancing the volume of extracted plasma. Experiments using whole human blood yield volumes of around 180 nl of cell-free, undiluted plasma. We believe that implementation of various integrated biosensing techniques into this plasma extraction system could enable multiplexed detection of various biomarkers.  相似文献   

生命安全教育：体育教育的本源回归探索     

刘德  王华倬 《北京体育大学学报》2015,38(7):112-116+127

摘要：生命安全教育是现代教育“以人为本”的核心价值体现和素质教育的重要内容。采用文献资料法、逻辑分析法,以体育的本源为逻辑起点和研究对象,从生命安全教育的视角审视体育产生过程和体育起源学说。旨在探索原始体育的价值取向和隐性功能,进而分析生命安全教育在体育教育中的本源地位和作用,阐释体育教育中的生命安全教育品性,体现个体生命发展的安全需求,以期回归体育教育的本真。其研究价值在于为学校体育中生命安全教育的课程建设提供理论依据。结论：体育的产生、形成和发展过程带有明显的生存技能及安全教育特征;生命安全教育是体育的本源要素;进入21世纪的现代文明社会,生命安全教育在学校体育教育中具有重要的价值和功能。  相似文献   

A Review of: “Learning Partnerships: Theory and Models of Practice to Educate for Self-Authorship”     

Reviewed by Regina L. Mitchell 《Community College Journal of Research & Practice》2013,37(1):76-78

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Robert R. Ulmer,Timothy L. Sellnow,and Matthew W. Seeger. Effective Crisis Communication: Moving From Crisis to Opportunity. Thousand Oaks,CA: Sage, 2007, 216 pp., ISBN 9781412914192 (paperback)     

Monique Mitchell Turner 《Mass Communication and Society》2013,16(1):105-108

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Attempting to document teachers' professional knowledge     

John Loughran  Ian Mitchell  Judie Mitchell 《International journal of qualitative studies in education》2013,26(6):853-873

This paper explores ways of uncovering and documenting teachers' professional knowledge. Through a research project that has worked with a number of teachers over an extensive period of time, serious attempts have been made to make the (often) tacit nature of teachers' knowledge more explicit in ways that might begin to address the question of what a knowledge base in teaching might look like. The paper examines methodological issues that have guided this research and illustrates how the knowledge of teachers can be articulated in ways that might help to clarify particular features of practice. An important aspect of the research reported in this paper is the need to have a language of teaching that is common to participants. Therefore, the research reported in this paper offers one way of considering this issue and offers a methodology for exploration and further development whilst simultaneously highlighting some aspects of the problematic nature of developing such a methodology.  相似文献