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51.
52.
The main purpose of this study is to analyze whether quality of preschool classrooms relates to 4- and 5-year-old children developmental outcomes. The study was conducted in 60 classrooms in Porto Metropolitan Area, Portugal. Children (N?=?215) were evaluated in the literacy, math, and behavior domains. Preschool quality was assessed through classroom observations using the ECERS-R and the Early Language and Literacy Classroom Observation. Global classroom quality although relatively low, predicted children’s literacy skills and behavior but not math skills. Quality of language and literacy environment was not consistently related to child outcomes. Mother educational level stood out as consistently predicting most of child developmental outcomes. The relevance of these results is discussed considering the Portuguese educational scenario, in the realm of an international context.  相似文献   
53.
This paper explores empirically how the pattern of adoption of an organizational and managerial innovation changes as diffusion occurs. In particular, the paper investigates whether and how differences over time in the patterns of use of organisational innovation are related to changes in the characteristics of the innovation in terms of its functionality and relative complementarity with other innovations, as well as to changes in the needs and capabilities of firms. For this purpose, firm level data from the British Workplace Industrial Relations Survey, in 1990 and 1998, are used.  相似文献   
54.
This paper proposes and tests a three-dimensional model of public support design as a framework to compare public incentives for innovation in firms through time and across countries, and consequently to compare forms of policy alignment of innovation objectives in an economy. Using data on 149 French and British policy programmes from the early 1980s to 2002, this paper shows that policy-makers implement programmes within a different three-dimensional design space in order to align several distinctive objectives and consequently strengthen the impact of governmental measures. Moreover, as the objectives of the national players and policy-makers evolved, the portfolio of innovation policies also evolved in their separate ways. Nevertheless, some similar trends are also observed.  相似文献   
55.
This study investigates the relationship between skills that underpin mathematical word problems and those that underpin numerical operations, such as addition, subtraction, division and multiplication. Sixty children aged 6–7 years were tested on measures of mathematical ability, reading accuracy, reading comprehension, verbal intelligence and phonological awareness, using a mix of standardised and experimenter-designed tests. The experimental hypothesis was that mathematical word problems will call upon cognitive skills that are different and additional to those required by numerical operations, in particular verbal ability and reading comprehension, while phonological awareness and reading accuracy will be associated with both types of mathematical problems. The hypothesis is partly affirmed and partly rejected. Reading comprehension was found to predict performance on mathematical word problems and not numerical operations, and phonological awareness was found to predict performance on both types of mathematics. However, the predictive value of verbal ability and reading accuracy was found to be non-significant.  相似文献   
56.
In two experiments, rats received preexposure consisting of six intraperitoneal injections of lithium chloride (LiCl). This treatment reduced the magnitude of the unconditioned response (UR; suppressed consumption of a novel flavor) evoked by an additional injection (Experiment 1) or by oral consumption (Experiment 2) of LiCl. In both experiments, preexposure also attenuated the acquisition of a conditioned aversion with an LiCl injection as the unconditioned stimulus (US) but had no effect on the aversion produced when the US was oral consumption of LiCl (Experiment 2). These results are consistent with the view that the reduced ability of the preexposed US to serve as a reinforcer depends on blocking by injection-related cues and is independent of habituation of the UR recorded in the present study. Possible interpretations of this dissociation are discussed.  相似文献   
57.
The attenuation of an LiCl-induced conditioned taste aversion (CTA) by LiCl preexposure is mediated primarily by associative blocking via injection-related cues. Given that preexposure to morphine attenuates morphine-induced CTAs, it was of interest to determine whether injection cues also mediate this effect. Certain morphine-induced behaviors such as analgesic tolerance are controlled associatively, via injection-related cues. Accordingly, animals in the present experiments were preexposed to morphine (or vehicle) every other day for five total exposures, followed by an extinction phase, in which the subjects were given saline injections (or no treatment) for 8 (Experiment 1) or 16 (Experiment 2) consecutive days. All of the animals then received five CTA trials with morphine (or vehicle). The morphine-preexposed animals in Experiment 1 displayed an attenuation of the morphine CTA that was unaffected by extinction saline injections, suggesting that blocking by injection cues during morphine preexposure does not mediate this effect. All of the morphine-preexposed subjects in Experiment 2 displayed a weakened preexposure effect, an effect inconsistent with a selective extinction of drug-associated stimuli. The attenuating effects of morphine preexposure in aversion learning are most likely controlled by nonassociative mechanisms, like drug tolerance.  相似文献   
58.
The Linguistic European Policy stresses the importance of linguistic diversity and encourages students to learn several languages, believing that the more languages we know, the better we can understand each other and preserve our languages. To preserve diversity and to value all the languages (either included in the curriculum or not) is a first step to develop a plurilingual and intercultural competence in the classroom as a means of overcoming frontiers between languages and between people. A second step is to work with teachers and to value what they know by helping them to find new and innovative answers to meet these professional challenges. Thus, this paper describes the work within a project for professional development of a group of in‐service language teachers. The teacher education programme suggests a portfolio‐oriented language learning and teaching approach that promotes plurilingualism. We will analyse the teachers' starting point and their willingness to work within an innovative and challenging approach. The analysed data include a questionnaire prior to the starting of the programme and three written reflections at the end of the programme concerning professional development, new concepts, teaching approach and working habits. The conclusions indicate that the teachers were not familiar with either the concept of plurilingualism or the portfolio‐oriented language learning and teaching approach. Nevertheless, they clearly show their willingness to try a new approach in their teaching practice.

La politique linguistique européenne défend l'importance de la diversité linguistique et encourage l'apprentissage de diverses langues, en croyant que la maîtrise de plusieurs langues augmente la capacité de comprendre les autres et de préserver nos propres langues. Préserver et valoriser toutes les langues (présentes, ou pas, dans le curriculum scolaire) est le début du développement de la compétence plurilingue et interculturelle. Ceci constitue un moyen de dépasser les barrières entre des langues et des peuples différents. Un deuxième pas est le travail avec les enseignants, en valorisant leurs connaissances et en les aidant à découvrir de nouvelles réponses, capables de faire face aux défis de la gestion de la diversité. Cet article décrit le travail mené au sein d'un programme de formation continue destiné à un groupe d'enseignants de langues. Ce programme de formation se construit autour d'une approche plurilingue où le portfolio est le concept‐clé. Le texte présente l'analyse du point de départ des enseignants, en explicitant leurs prédispositions à travailler d'une autre façon. Les données analysées incluent les réponses à un questionnaire antérieur au programme de formation et trois réflexions écrites à la fin de ce même programme à propos du développement professionnel (nouveaux concepts, nouvelle approche, nouvelles habitudes). Les résultats montrent que les enseignants n'étaient familiarisés ni avec le concept de plurilinguisme ni avec l'utilisation du portfolio. Toutefois, les enseignants révèlent le désir d'essayer une nouvelle approche dans leurs pratiques d'enseignement.

La política lingüística europea defiende la importancia de la diversidad lingüística y alienta a aprender varios idiomas, en la convicción de que cuantos más idiomas sabemos, mejor podemos entendernos y preservar nuestros idiomas. Preservar y valorar todas las lenguas (estén o no presentes en el currículum) es un primer paso para desarrollar una capacidad plurilingüe e intercultural en clase, que se convierte en un medio de superar las barreras entre idiomas y entre pueblos. Un segundo paso es trabajar con profesores, valorando lo que saben y ayudándolos a descubrir nuevas e innovadoras respuestas para su desarrollo profesional en momentos de cambios. Este escrito describe el trabajo llevado a cabo en el marco de un proyecto para el desarrollo profesional de un grupo de profesores en un instituto, a partir de un programa de formación sobre enseñanza y aprendizaje de idiomas basado en el porfolio. Analizaremos el punto de partida de su camino y la predisposición para trabajar un abordaje innovador y desafiante del currículum. Los datos analizados incluyen las respuestas a un cuestionario anterior al programa de formación y tres reflexiones escritas en el término de ese programa, sobre desarrollo profesional, nuevos conceptos y hábitos de trabajo. Las conclusiones indican que los profesores no estaban familiarizados ni con el concepto de plurilingüismo ni con la enseñanza y aprentisage de idiomas basado en el porfolio. Sin embargo, evidencian predisposición para intentar nuevos abordajes en sus practicas profesionales.

Die Europäische Sprachenpolitik legt grossen Wert auf die linguistische Vielfalt. Eine der Prioritäten ist demnach, Schüler zum Erlernen mehrerer Fremdsprachen zu motivieren. Diese Idee basiert auf der Grundlage, dass das Erlernen mehrerer Sprachen nicht nur eine bessere Verständigung zwischen Kulturen ermöglicht, sondern auch die eigene Sprache und Kultur erhält. Die linguistische Vielfalt zu erhalten und grossen Wert auf alle Sprachen zu legen (im Lehrplan beinhaltet oder nicht) stellt einen ersten Schritt dar, eine mehrsprachige und interkulturelle Kompetenz im Klassenzimmer zu entwickeln, zur Überwindung von Grenzen zwischen Sprachen und Leuten. Ein zweiter Schritt ist die Arbeit mit Lehrern, in der deren Vorkenntnisse wichtig genommen werden und ihnen damit geholfen werden soll, neue Antworten für die entsprechenden beruflichen Herausforderungen auszuarbeiten. In diesem Vortrag soll die Zusammenarbeit mit einer Lehrergruppe im Rahmen einer beruflichen Weiterbildung beschrieben werden. Das Lehrerausbildungsprogramm schlägt ein portfolio‐orientiertes Sprachlernen und Unterrichten vor, das Sprachenvielfalt fördert. Es soll analysiert werden, aus welchen Ausgangspunkten die Lehrer kommen und welche Bereitschaft sie zu einer innovativen Unterrichtspraxis zeigen. Die analysierten Daten, ein Fragebogen vor Programmbeginn und drei schriftliche Reflexionen am Ende des Programms, beziehen sich auf professionelle Entwicklung neuer Konzepte, Unterrichtspraxis und Arbeitsmitte. Die Schluβfolgerungen zeigen, dass die Lehrer weder mit dem Konzept der Mehrsprachigkeit noch mit dem portfolio‐orientierten Sprachlernen und Unterrichten vertraut waren. Andererseits deuten sie auf eine Bereitwilligkeit von Seiten der Lehrer, eine neue Herangehensweise ihre Unterrichtspraxis zu erproben.  相似文献   

59.
Employability has become a key element in sustaining successful vocational careers. The role of self-directedness is considered paramount in maintaining one’s employability. However, it also requires certain competences on part of employees to invest in learning and career development. This study examines the influence of self-directedness in learning and career of low-qualified employees on their employability. In a follow-up study of 284 low-qualified employees, we find that higher levels of self-directedness in learning and career of employees corresponds with higher chance to be promoted to higher-level job positions (vertical job mobility). However, no relationship was found between different formats of self-directedness and job retention or horizontal job mobility of lower qualified personnel.  相似文献   
60.
Background: According to the classroom ecology paradigm, teachers and students interpret, predict, and respond to each other repeatedly in a reciprocal way. Such a reciprocal relationship is reflected in bidirectional interactions between a teacher's behavior and student (dis)engagement, an issue that has been confirmed in longitudinal studies including measures at different moments in a school year.

Aims: Starting from the perspective of self-determination theory, the aim of the present study was to investigate bidirectional relationships between student (dis)engagement and need-supportive and need-thwarting teaching behavior during the first 15?min of a lesson.

Sample &; method: The first three 5-minute intervals of 100 videotaped physical education lessons taught by 100 different teachers (51.9% male, M age?=?37.5?±?10.9 years) were observed and coded for need-supportive and need-thwarting teaching behavior, student engagement, and student disengagement. Correlations were calculated to explore relationships between student (dis)engagement and teaching behavior over the first 15?minutes of a PE lesson. Next, path analyses were conducted to analyze 5-to-5?minute interactions between teaching behavior and student (dis)engagement.

Results: Student engagement correlated positively and disengagement correlated negatively with need support, while engagement correlated negatively and disengagement correlated positively with need-thwarting over the first 15?minutes of the lesson. There were few significant relationships between student engagement and teachers’ behavior across and between each of the three 5-minute intervals. Only when teachers provided more need support during the first 5?minutes of the lesson, students were more engaged in the third 5?minutes of the lesson. When students were more disengaged during the first 5?minutes of the lesson, teachers displayed less need support in the following 10?minutes of the lesson. In contrast, student disengagement in the second 5?minutes of the lesson related to more need support in the next 5?minutes. Most of the within-interval relationships between student engagement and teachers’ behaviors were inconsistent, but we did find positive relationships between student disengagement and need-thwarting teaching behaviors in the first and third interval, suggesting a rather direct and momentary within 5-minute intervals interaction between teachers and students.

Conclusions: Findings of the present observational study suggest that, although overall relationships between student (dis)engagement and teachers’ behavior were in the expected directions, the picture might become more complicated when relationships are investigated according to the timing of the lesson, an issue that has remained uncovered in self-reported studies. While student disengagement was related to less need support and more need-thwarting teaching behaviors, more detailed analyses showed that it was particularly student disengagement in the beginning of a lesson that elicited less positive teaching behaviors. When students display disengagement further along in the first 15?minutes of the lesson, teachers seemed to respond in a more need-supportive way to student disengagement. Such findings provide interesting insights to build interventions for teachers around certain critical moments during the lesson, for example when dealing with student disengagement at a specific moment in the lesson.  相似文献   
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