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61.
Research on pubertal development among Black boys is limited. Addressing this gap, we examined associations between three pubertal domains (e.g., voice change, hair growth, and perceived relative timing), depressive symptoms, self-esteem, and self-efficacy, among a nationally representative sample of 395 African American and 164 Caribbean Black boys (Mage = 15 years). Moderation by ethnic–racial identity (e.g., racial centrality, racial regard) was also explored. Results indicated that for both ethnic subgroups early voice change increased self-esteem; whereas early voice change increased depressive symptoms among boys who felt society views Blacks more negatively. Buffering effects of ethnic–racial identity also varied significantly between the two groups. Findings suggest that the meaning Black boys ascribe to their ethnic–racial group may explain puberty-linked outcomes.  相似文献   
62.
This study leverages naturally occurring lotteries for oversubscribed Boston Public Schools prekindergarten program sites between 2007 and 2011, for 3,182 children (M = 4.5 years old) to estimate the impacts of winning a first choice lottery and enrolling in Boston prekindergarten versus losing a first choice lottery and not enrolling on children’s enrollment and persistence in district schools, grade retention, special education placement, and third-grade test scores. There are large effects on enrollment and persistence, but no effects on other examined outcomes for this subsample. Importantly, children who competed for oversubscribed seats were not representative of all appliers and almost all control-group children attended center-based preschool. Findings contribute to the larger evidence base and raise important considerations for future prekindergarten lottery-based studies.  相似文献   
63.
A new economic model for the analysis of scholarly publishing – journal publishing in particular – is proposed that draws on club theory. The standard approach builds on market failure in the private production (by research scholars) of a public good (new scholarly knowledge). In this model, publishing is communication, as the dissemination of information. But a club model views publishing differently: namely as group formation, where members form groups in order to confer externalities on each other, subject to congestion. A journal is a self-constituted group, endeavouring to create new knowledge. In this sense, a journal is a club. The knowledge club model of a journal seeks to balance the positive externalities of a shared resource (readers, citations, referees) against the negative externalities of crowding (decreased prospect of publishing in that journal). A new economic model of a journal as a knowledge club is elaborated. We suggest some consequences for the management of journals and financial models that might be developed to support them.  相似文献   
64.
This study investigated variation in students’ behavioral engagement across mathematics classes in China and the United States. Student behavioral engagement was examined along with two aspects of the classroom (group size and teacher instructions given about classroom behavior). Video observational data were collected and coded over 1051 time intervals in 35-minute mathematics sessions in Chinese classrooms (n = 8) and comparable American classrooms (n = 7). Latent growth analyses revealed that overall, behavioral engagement declined over time, although the drop-off was dramatically sharper in American classrooms relative to Chinese classrooms. In addition, larger group size and the timing of teacher instructions (given before versus after the behavior) were significantly associated with increased engagement. This study revealed compelling cultural differences as well as patterns in student and teacher behaviors associated with students engaging in on-task behaviors in the classroom. Implications for ways to promote effective classroom behavior are discussed.  相似文献   
65.
This paper reports on an investigation carried out in New Zealand into experienced elementary and student teachers’ beliefs about the nature and purpose of social studies education. Since its inclusion in New Zealand's curriculum, social studies has been organized around the notion of citizenship education with curricula and programmes of work influenced by four overarching “traditions” – social studies as: citizenship transmission; social science; reflective inquiry; and personal, social and ethical empowerment. A 20-item scale based on these traditions was administered to 228 student teachers and 64 experienced teachers. A factor analysis indicated that participants' perceptions of the dimensions of social studies education were, with one exception, reasonably close to the four traditions. Despite the contested nature of social studies, the student and experienced teachers held similar positions on the relative importance of the traditions and dimensions. It is argued that this agreement arises, wholly or in part, from their common “apprenticeship of experience” in classrooms, the broader socio-historical context in which their beliefs were developed, the widespread influence of a prevalent educational discourse, and a shared lack of experience in formal knowledge associated with specific social science disciplines. It was concluded that the uncomfortable generational encounters often reported in the literature between novice and experienced teachers are unlikely to occur in relation to the teaching of elementary social studies in New Zealand.  相似文献   
66.
This study explored transactional associations among visuomotor integration, attention, fine motor coordination, and mathematics skills in a diverse sample of one hundred thirty‐five 5‐year‐olds (kindergarteners) and one hundred nineteen 6‐year‐olds (first graders) in the United States who were followed over the course of 2 school years. Associations were dynamic, with more reciprocal transactions occurring in kindergarten than in the later grades. Specifically, visuomotor integration and mathematics exhibited ongoing reciprocity in kindergarten and first grade, attention contributed to mathematics in kindergarten and first grade, mathematics contributed to attention across the kindergarten year only, and fine motor coordination contributed to mathematics indirectly, through visuomotor integration, across kindergarten and first grade. Implications of examining the hierarchical interrelations among processes underlying the development of children's mathematics skills are discussed.  相似文献   
67.
Being bullied is associated with a psycho-social maladjustment during childhood. One hitherto largely overlooked correlate is disrupted classroom concentration. Using data collected from 364 9–11-year-old children attending seven junior schools in the UK, we tested a model in which children’s perceived safety in two contexts (classroom and playground) and their perceived relationship with their teacher were hypothesised to mediate the association between being bullied and classroom concentration. Two analytical approaches to testing multiple mediation – product of coefficients and bootstrapping – supported the model. None of the mediation effects was moderated by sex but they were by year; in all cases the mediation effect was stronger in the older children than in the younger children (but still significant among the latter). These data suggest mechanisms through which bullying might have its effects on classroom concentration. The practical and theoretical implications are discussed.  相似文献   
68.
This study examined a moderated mediation model among 314 Black adolescents aged 13–18. The model included general coping strategies (e.g., active, distracting, avoidant, and support‐seeking strategies) as mediators and racial identity dimensions (racial centrality, private regard, public regard, minority, assimilationist, and humanist ideologies) as moderators of the relation between perceived racial discrimination and depressive symptoms. Moderated mediation examined if the relation between perceived racial discrimination and depressive symptoms varied by the mediators and moderators. Results revealed that avoidant coping strategies mediated the relation between perceptions of racial discrimination and depressive symptoms. The results indicated that avoidant coping strategies mediated the relation between perceived racial discrimination and depressive symptoms among youth with high levels of the minority/oppressive ideology.  相似文献   
69.
While social–emotional learning programmes in schools often have positive outcomes, many such initiatives are not well implemented and maintained. This paper reports on teacher reflections on the process of planning and implementing a whole school social–emotional learning (SEL) programme with a conflict resolution focus, called Enhancing Relationships in School Communities (ERIS). Ten primary schools participated in an 18‐month professional development programme offered by the researchers to assist schools to develop a whole school approach to handling interpersonal issues using a cooperative problem‐solving approach. Implementation (core) teams of three to five members, including principal or assistant principal and relevant teachers, attended workshops and managed the change process. In individual interviews, 29 core team members described the most significant changes that had taken place, what factors facilitated those changes and what assisted in overcoming barriers. A synthesised model of facilitators of implementation was developed on the basis of these interviews. The major components of the model included ensuring a whole school vision and process; pre‐programme engagement confirming commitment and alignment of researcher and teachers' visions; facilitative programme structure and processes such as linking the current programme to existing programmes and processes in the school; leadership and support for staff in the change process, for example, through the implementation team; the nature of the programme content; and monitoring and feedback processes to sustain motivation and inform on needs and outcomes.  相似文献   
70.
An Observation Guide, designed to help New Zealand teachers identify areas of teaching strength and aspects for development, was developed as part of a wider project. In the second phase of this project, 18 middle school teachers used the Guide to gather and record evidence as they participated in seven rounds of reciprocal peer observation and feedback during writing lessons with Grades 6–8 students. We report here on data from round 6 observations about the assessment for learning (AfL) strategies reported as evident in teachers’ practices, how these strategies were implemented and potential gaps in practice. AfL has at its heart a core of interdependent strategies that collectively contribute to the development of autonomous, self-regulating learners and quality learning. While the middle school teachers shared goals for learning and communicated what counted as successful achievement to students, they appeared to struggle when articulating goals in terms of literacy learning and conveying the substantive aspects and quality expected in students’ writing. In addition, despite AfL's promotion of learner autonomy, few teachers openly afforded students focused opportunities to take a meaningful role in their learning through the appraisal of their own and peers’ writing and the joint construction of feedback. As such, teachers’ AfL practice in the writing classroom failed to realise its full potential. It is argued that the promise of AfL can only be reached when strategies are enacted in ways that reflect its unitary nature, promote quality outcomes and give students a central role in their learning.  相似文献   
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