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961.
In the literature, problem-posing abilities are reported to be an important aspect/indicator of creativity in mathematics. The importance of problem-posing activities in mathematics is emphasized in educational documents in many countries, including the USA and China. This study was aimed at exploring high school students' creativity in mathematics by analyzing their problem-posing abilities in geometric scenarios. The participants in this study were from one location in the USA and two locations in China. All participants were enrolled in advanced mathematical courses in the local high school. Differences in the problems posed by the three groups are discussed in terms of quality (novelty/elaboration) as well as quantity (fluency). The analysis of the data indicated that even mathematically advanced high school students had trouble posing good quality and/or novel mathematical problems. We discuss our findings in terms of the culture and curricula of the respective school systems and suggest implications for future directions in problem-posing research within mathematics education.  相似文献   
962.
Background Bullying threatens the physical and mental well-being of students across a broad range of schools. Tailored interventions based on the Transtheoretical model and delivered over the Internet were designed to reduce participation in each of three roles related to bullying (bully, victim and passive bystander).

Methods Effectiveness trials were completed in 12 middle schools and 13 high schools in the USA. A diverse sample of 1237 middle (6th–8th grade, with 45.1% in the 7th grade; ages 11–14) and 1215 high school (9th–11th grade, with 41.6% in the 9th grade; ages 14–17) students were available for analyses.

Results Analyses showed significant treatment effects for both intervention groups when compared to control for both the middle and high school programs.

Conclusions Given the relative ease of dissemination, these programs could be applied as stand-alone practices or as part of more intensive interventions.  相似文献   
963.
Using cluster analysis this study investigated the characteristics of learning strategies learners use in online courses with one-on-one mentoring. Three distinct approaches were identified: “Mastery oriented”, “Task focused” and “Minimalist in effort”. Despite the widespread concern that students will have difficulty managing their time in online courses with high level of student freedom, this study found that the vast majority of learners were very effective in their learning strategies. The findings speak well for the potential of distance education environments to provide high quality self-paced learning, accommodating different learning strategies, which is difficult to do in group-paced courses. We further explored how these approaches relate to and interact with, participants’ background and their levels of satisfaction and self reported learning.  相似文献   
964.
This paper sets out to problematise generational categories such as “Power Users” or “New Millennium Learners” by discussing these in the light of recent research on youth and information and communication technology. We then suggest analytic and conceptual pathways to engage in more critical and empirically founded studies of young people’s learning in technology and media‐rich settings. Based on a study of a group of young “Power Users”, it is argued that conceptualising and analysing learning as a process of patchworking can enhance our knowledge of young people’s learning in such settings. We argue that the analytical approach gives us ways of critically investigating young people’s learning in technology and media‐rich settings, and study if these are processes of critical, reflexive enquiry where resources are creatively re‐appropriated. With departure in an analytical example, the paper presents the proposed metaphor of understanding learning as a process of patchworking and discusses how we might use this to understand young people’s learning with digital media.

Les “Power Users” et la construction en “patchwork” – Une approche analytique des études critiques portant sur l’apprentissage chez les jeunes avec l’aide des médias numériques.

Le présent article vise à faire ressortir la problématique des catégories de générations, celles par exemple des “Power Users” ou des “Apprenants du Nouveau Millénaire” en les examinant de façon critique à la lumière des recherches récentes sur la jeunesse et les TICE. Nous suggérons ensuite des voies d’approche analytiques et conceptuelles pour nous engager dans des études plus critiques et plus solidement empiriques de l’apprentissage chez les jeunes dans des environnements à fort contenu technologique et médiatique. En nous appuyant sur l’étude d’un groupe de jeunes “Power Users”, on avance l’hypothèse selon laquelle le fait d’analyser et de conceptualiser l’apprentissage comme un processus de construction de patchwork peut améliorer notre connaissance de l’apprentissage chez les jeunes se trouvant dans de tels environnements. Nous avançons l’idée que cette approche analytique nous fournit les moyens d’étudier de façon critique l’apprentissage chez les jeunes se trouvant dans des environnements à fort contenu technologique et médiatique et de déterminer s’il s’agit là de processus de recherche critique et réflexive dans lequel ils se réapproprient les ressources de façon créative. En s’appuyant sur un exemple analytique, cet article présente une proposition, celle d’une métaphore pour comprendre l’apprentissage comme un processus de patchwork et discute de la façon dont nous pourrions l’ utiliser pour comprendre de quelle façon les jeunes apprennent avec les medias numériques.

?Power User“ und ?Patchworking“ – eine analytische Annäherung an kritische Studien über das Lernen junger Leute mit digitalen Medien

Dieser Artikel problematisiert generationspezifische Kategorien wie ?Power Users“ und ?New Millenium Learners“ welche hier vor dem Hintergrund der jüngsten Forschungsergebnisse im Bereich Jugend und Informations‐ und Telekommunikationstechnologie (ITK) diskutiert werden. Darauf aufbauend werden analytische und konzeptionelle Wege vorgeschlagen, wie auf empierischer und auf Fakten basierender Grundlage das Lernen junger Menschen in einem technologie‐ und medienreichen Umfeld studiert werden kann. Eine Gruppe junger ?Power Users“ ist die Grundlage unserer Argumentation, dass Konzeptionalisierung und Analyse des Patchwork Lernprozesses junger Leute unser Verständnis von ihrer Herangehensweise an den Lernprozess verbessern kann. Wir argumentieren, dass die analytische Herangehensweise uns hilft, das Lernen junger Leute im ITK Kontext zu analysieren und wir untersuchen, ob diese Prozesse kritisch und reflexiv sind und dazu beitragen, Ressourcen kreativ zu nutzen. Der Artikel schließt mit einem analytischen Beispiel in dem wir die zuvor diskutierte Metapher – Lernen als einen Patchworkprozess zu verstehen – nutzen, um zu diskutieren wie dieses Verständnis genutzt werden kann, um unser Wissen über das Lernen junger Leute mit digitalen Medien zu erweitern.

Los “Power Users” y la construcción en “patchwork” – Un enfoque analítico sobre los estudios críticos acerca del aprendizaje de los jóvenes con los medios digitales.

El propósito del presente artículo es de hacer resaltar la problemática de las categorías de generaciones, entre ellas los “Power Users” o los “discentes del Nuevo Milenio”, a través de una discusión de esas categorías a la luz de las últimas investigaciones sobre la juventud y las TICs. Sugerimos después algunos caminos analíticos y conceptuales para meterse en estudios con una base más crítica y más fuertemente empírica, del aprendizaje de los jóvenes en entornos con una fuerte dimensión tecnológica y mediatizada. Basandose en el estudio de un grupo de jovenes “Power Users”, se argumenta que el hecho de analizar y conceptualizar el aprendizaje como si fuese un proceso de “patchworking”, puede en realidad realzar nuestro conocimiento de la manera de aprender de los jovenes en entornos de ese tipo. Argumentamos que el enfoque analítico nos ofrece maneras de investigar críticamente el aprendizaje de los jóvenes dentro de entornos fuertemente tecnológicos y mediatizados y de estudiar si se trata de procesos de investigación crítica y reflexiva en los cuales se produce una re‐apropiación creativa de los recursos. Con una salida hacia un ejemplo analítico este artículo presenta la propuesta de una metáfora para entender el aprendizaje como si fuese un proceso de construcción de un “patchwork” con una discusión sobre las posibilidades de uso de esto para entender como los jóvenes aprender con los medios digitales.  相似文献   
965.
Information‐rich environments are created to promote data use in schools for the purpose of self‐evaluation and quality assurance. However, providing feedback does not guarantee that schools will actually put it to use. One of the main stumbling blocks relates to the interpretation and diagnosis of the information. This study examines the relationship between data literacy competences, support given in interpreting the information, actual use of the feedback and potential school improvement effect. A randomised field experiment with 188 school principals from primary education was set up and a post‐test was used to investigate the effects of a support initiative. The results revealed that a minority of schools invested significantly in the interpretation and diagnosis of the school performance feedback (SPF), despite the fact that most of the respondents showed an interest in the SPF report. In addition, data competence support and the subsequent use of feedback were found to be limited.  相似文献   
966.
Reflective journals have been widely accepted throughout various educational disciplines for many years as a means of enhancing experiential learning practices. Reflective journals allow for students to gain a better understanding of a given experience and explore the levels of critical thinking as they work through the understanding and learning processes. Critical thinking involves the logical progression from mere knowledge and understanding to the highest levels of synthesis and evaluation. The immediate study presents findings of the analyses of a series of sequential reflective journals presented over the course of a semester-long internship experience. Findings indicate that reflective journals are shown to facilitate progression through the levels of critical thinking as identified in Bloom’s taxonomy and promote a higher level of understanding and application of theoretical concepts to practical experiential learning.  相似文献   
967.
968.
Dyslexic children (n=21, mean age=10.2 years) were compared with normal readers of the same age, normal readers of the same reading-age, and poor readers of the same reading-age on measures of phonological decoding and automatic word processing. Three different tasks, varying in phonological demand, were used: a naming task, an auditory-visual matching task, and a lexical decision task. On each task, word-pseudoword profiles were obtained to test phonological decoding skills and unspeeded-speeded profiles were assessed to test automaticity in word processing. Main results indicated that dyslexics have a deficit in automatic phonological decoding skills. The results are discussed within the framework of the phonological deficit and the automatization deficit hypothesis.  相似文献   
969.
970.

Introduction

Vaspin (visceral adipose tissue-derived serpin) was first described as an insulin-sensitizing adipose tissue hormone. Recently its anti-inflammatory function has been demonstrated. Since no appropriate data is available yet, we sought to investigate the plasma concentrations of vaspin in sepsis.

Materials and methods

57 patients in intensive care, fulfilling the ACCP/SCCM criteria for sepsis, were prospectively included in our exploratory study. The control group consisted of 48 critically ill patients, receiving intensive care after trauma or major surgery. Patients were matched by age, sex, weight and existence of diabetes before statistical analysis. Blood samples were collected on the day of diagnosis. Vaspin plasma concentrations were measured using a commercially available enzyme-linked immunosorbent assay.

Results

Vaspin concentrations were significantly higher in septic patients compared to the control group (0.3 (0.1-0.4) ng/mL vs. 0.1 (0.0-0.3) ng/mL, respectively; P < 0.001). Vaspin concentration showed weak positive correlation with concentration of C-reactive protein (CRP) (r = 0.31, P = 0.002) as well as with SAPS II (r = 0.34, P = 0.002) and maximum of SOFA (r = 0.39, P < 0.001) scoring systems, as tested for the overall study population.

Conclusion

In the sepsis group, vaspin plasma concentration was about three-fold as high as in the median surgical control group. We demonstrated a weak positive correlation between vaspin and CRP concentration, as well as with two scoring systems commonly used in intensive care settings. Although there seems to be some connection between vaspin and inflammation, its role in human sepsis needs to be evaluated further.Key words: adipocytokine, inflammation, vaspin, CRP, intensive care  相似文献   
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