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1.
Infant joint attention has been observed to be related to social-emotional outcomes in at-risk children. To address whether this relation is also evident in typically developing children, 52 children were tested at 12, 15, 24, and 30 months to examine associations between infant joint attention and social outcomes. Twelve-month initiating and responding to joint attention were related to 30-month social competence and externalizing behavior, even when accounting for 15-month temperament ratings, 24-month cognition and language, and demographic variables. These results suggest that, in addition to associations with language and cognition, infant joint attention reflects robust aspects of development that are related to individual differences in the emergence of social and behavioral competence in childhood.  相似文献   
2.
Nonverbal communication skills in Down syndrome children   总被引:4,自引:0,他引:4  
The goal of this research was to examine the nonverbal communication competence of 18-48-month-old Down syndrome children. The results indicated that Downs children displayed strengths and weaknesses in nonverbal communication skills. Relative to MA matched normal children, they displayed a significant strength in nonverbal social interaction skills. However, they also displayed a significant deficit in nonverbal requests for objects or assistance with objects compared to normals. This pattern of strength and weakness in nonverbal skills appeared to be specific to Down syndrome since this pattern was not displayed by a comparison sample of non-Downs mentally retarded children. Nonverbal object-requesting skill was also significantly associated with a measure of expressive language in the Downs sample. This relation was notable because the Downs children also displayed a deficit in expressive language. Thus, the results of this study suggest that a deficit in expressive language is associated with a deficit in earlier-developing nonverbal requesting skill among Down syndrome children.  相似文献   
3.
Abstract

Ghrelin is a hormone that stimulates hunger. Intense exercise has been shown to temporarily suppress hunger after exercise. In the present study, we investigated whether post-exercise hunger suppression is mediated by reduced plasma total ghrelin concentrations. Nine men and nine women participated in the study. Their mean physical characteristics were as follows: age 24.8 (s x  = 0.9) years, body mass index 22.9 (s x  = 0.6) kg · m?2, maximal oxygen uptake ([Vdot]O2max) 57.7 (s x  = 2.2) ml · kg?1 · min?1. The participants completed two 3-h trials (exercise and control) on separate days in a randomized balanced design after overnight fasts. The exercise trial involved a 1-h treadmill run at 73.5% of [Vdot]O2max followed by 2 h of rest. The control trial consisted of 3 h of rest. Blood samples were collected at 0, 0.5, 1, 1.5, 2, and 3 h. Total ghrelin concentrations were determined from plasma. Hunger was assessed following blood sampling using a 15-point scale. The data were analysed using repeated-measures analysis of variance. Hunger scores were lower in the exercise trial than in the control trial (trial, P = 0.009; time, P < 0.001; trial × time, P < 0.001). Plasma total ghrelin concentrations did not differ between trials. These findings indicate that treadmill running suppresses hunger but this effect is not mediated by changes in plasma total ghrelin concentration.  相似文献   
4.
ABSTRACT

The aim of this study was to assess the reliability and validity of the bar-mounted PUSH BandTM 2.0 to determine peak and mean velocity during the bench press exercise with a moderate (60% one repetition maximum [1RM]) and heavy (90% 1RM) load. We did this by simultaneously recording peak and mean velocity using the PUSH BandTM 2.0 and three-dimensional motion capture from participants bench pressing with 60% and 90% 1RM. We used ordinary least products regression to assess within-session reliability and whether the PUSH BandTM 2.0 could accurately predict motion capture velocity. Results showed that PUSH BandTM 2.0 and motion capture peak and mean velocity reliability was acceptable with both loads. While there was a tendency for the PUSH BandTM 2.0 to slightly overestimate peak and mean velocity, there was no fixed bias. However, mean velocity with 60 and 90% 1RM demonstrated proportional bias (differences between predicted and motion capture values increase with magnitude). Therefore, PUSH BandTM 2.0 peak velocity with 60 and 90% 1RM is valid, but mean velocity is not.  相似文献   
5.
Reading and Writing - Reading and writing are distinct skill areas that influence each other across development. Children with autism spectrum disorder (ASD) are noted to exhibit challenges in both...  相似文献   
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7.
Over the past decade, the achievement of universal primary education, under the somewhat misleading rubric of ‘Education for All’ (EFA), has steadily built momentum in international forums as a focus for discussion and action. The present study looks critically at the evolution of consensus about EFA within the international community. The first section of this contribution provides an overview of ‘education for development’ in the form in which it has been inherited from the 20th century. The second describes what has changed in the context, rhetoric and practice of such ‘education for development’. The final section reflects on two questions: ‘Why has EFA now moved beyond international rhetoric to action?’; and ‘What can our experience with EFA tell us about the prospects for multilateralism and global governance in the 21st century?’
Zusammenfassung BILDUNG FüR ALLE UND DER NEUE VERTRAG ZUR ENTWICKLUNG – über die letzten zehn Jahre hat die Errungenschaft allgemeiner Prim?rbildung unter der ein wenig irreführenden überschrift ,Bildung für alle’ (Education for All/EFA) in internationalen Foren als ein Zentrum für Diskussionen und Aktionen stetig mehr Beachtung gefunden. Die vorliegende Untersuchung wirft einen kritischen Blick auf die Entwicklung von Einigkeit in Bezug auf EFA innerhalb der internationalen Gemeinschaft. Der erste Abschnitt dieses Beitrages bietet einen überblick über ,Bildung für Entwicklung’ in der Form, in der das Konzept aus dem 20. Jahrhundert ererbt ist. Der zweite Abschnitt beschreibt, was sich im Kontext der Rhetorik und der Praxis einer solchen ,Bildung für Entwicklung’ ver?ndert hat. Der letzte Abschnitt stellt Reflexionen über zwei Fragen an: Warum ist EFA nun über internationale Rhetorik hinaus zur Umsetzung fortgeschritten, und was kann uns unsere Erfahrung mit EFA über die Aussichten für multilaterale Verh?ltnisse und globale Lenkung im 21. Jahrhundert sagen?

Resumen EDUCACIóN PARA TODOS Y EL NUEVO PACTO PARA EL DESARROLLO – A lo largo de la última década, el objetivo de lograr una educación primaria universal bajo el título un poco equívoco de “Educación para Todos” (EPT) ha impulsado permanentemente los foros internacionales como foco de debates y de acción. El presente estudio echa una mirada crítica a la evolución de un consenso en cuanto a la EPT dentro de la comunidad internacional. La primera parte de esta contribución provee una visión sinóptica de la ‘educación para el desarrollo’ en la forma en la que este objetivo se ha heredado del siglo XX. La segunda, describe qué es lo que ha cambiado en el contexto, la retórica y la práctica de esa ‘educación para el desarrollo’. La parte final reflexiona sobre dos interrogantes: ?Por qué la EPT no ha pasado de la retórica internacional a la acción?; y ?Qué nos puede decir nuestra experiencia con la EPT sobre las perspectivas de multilateralidad y gobernabilidad global en el siglo XXI?

Résumé L’éDUCATION POUR TOUS ET LE NOUVEL ACCORD DE DéVELOPPEMENT – Durant la dernière décennie, la réalisation d’une éducation primaire universelle, sous la rubrique quelque peu trompeuse de l’? éducation pour Tous ? (EPT) a continuellement donné une impulsion aux forums internationaux en étant au centre de la discussion et de l’action. La présente étude jette un regard critique sur l’évolution du consensus à propos de l’EPT au sein de la communauté internationale. La première section de cette contribution offre une vue d’ensemble de ? l’éducation pour le développement ? selon la forme qui nous a été léguée par le XXe siècle. La seconde décrit ce qui a changé dans le contexte, la rhétorique et la pratique d’une telle ‘éducation pour le développement’. La dernière section est une réflexion sur deux questions : ‘Pourquoi l’EPT a-t-elle maintenant dépassé la rhétorique internationale pour favoriser l’action’ ; et ’Que peut nous apprendre notre expérience de l’EPT à propos des perspectives du multilatéralisme et du gouvernement global au XXIe siècle ?’


The author: Karen Mundy is Associate Professor and Canada Research Chair in Global Governance and Educational Change at the Ontario Institute for Studies in Education of the University of Toronto, where she also directs the Comparative, International and Development Education Programme. Her research focuses on educational change in sub-Saharan Africa, the evolution of international governmental and non-governmental organizations in education, and the politics of foreign aid to education. Contact address: Canada Research Chair in Global Governance and Comparative Education, OISE-University of Toronto, 252 Bloor Street West, Toronto, Ontario, Canada. M5S 1V6, E-mail: kmundy@oise.utoronto.ca.  相似文献   
8.
Ghrelin is a hormone that stimulates hunger. Intense exercise has been shown to temporarily suppress hunger after exercise. In the present study, we investigated whether post-exercise hunger suppression is mediated by reduced plasma total ghrelin concentrations. Nine men and nine women participated in the study. Their mean physical characteristics were as follows: age 24.8 (s(x) = 0.9) years, body mass index 22.9 (s(x) = 0.6) kg x m(-2), maximal oxygen uptake (VO(2max)) 57.7 (s(x) = 2.2) ml x kg(-1) x min(-1). The participants completed two 3-h trials (exercise and control) on separate days in a randomized balanced design after overnight fasts. The exercise trial involved a 1-h treadmill run at 73.5% of VO(2max) followed by 2 h of rest. The control trial consisted of 3 h of rest. Blood samples were collected at 0, 0.5, 1, 1.5, 2, and 3 h. Total ghrelin concentrations were determined from plasma. Hunger was assessed following blood sampling using a 15-point scale. The data were analysed using repeated-measures analysis of variance. Hunger scores were lower in the exercise trial than in the control trial (trial, P = 0.009; time, P < 0.001; trial x time, P < 0.001). Plasma total ghrelin concentrations did not differ between trials. These findings indicate that treadmill running suppresses hunger but this effect is not mediated by changes in plasma total ghrelin concentration.  相似文献   
9.
Prosodic awareness (the rhythmic patterning of speech) accounts for unique variance in reading development. However, studies have thus far focused on early readers and utilised literacy measures which fail to distinguish between monosyllabic and multisyllabic words. The current study investigated the factors that are specifically associated with multisyllabic word reading in a sample of 50 children aged between 7 and 8 years. Prosodic awareness was the strongest predictor of multisyllabic word reading accuracy, after controlling for phoneme awareness, morphological awareness, vocabulary and short-term memory. Children also made surprisingly few phonemic errors while, in contrast, errors of stress assignment were commonplace. Prosodic awareness was also the strongest predictor of stress placement errors, although this finding was not significant. Prosodic skills may play an increasingly important role in literacy performance as children encounter more complex reading materials. Once phoneme-level skills are mastered, prosodic awareness is arguably the strongest predictor of single word reading.  相似文献   
10.
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