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排序方式: 共有311条查询结果,搜索用时 93 毫秒
71.
Latendresse SJ Bates JE Goodnight JA Lansford JE Budde JP Goate A Dodge KA Pettit GS Dick DM 《Child development》2011,82(6):1797-1814
The present study characterized prototypical patterns of development in self-reported externalizing behavior, between 12 and 22 years of age, within a community sample of 452 genotyped individuals. A Caucasian subset (n = 378) was then examined to determine whether their probabilities of displaying discrete trajectories were differentially associated with CHRM2, a gene implicated in self-regulatory processes across a range of externalizing behaviors, and if affiliating with antisocial peers moderated these associations. Findings indicate that relative to a normative "lower risk" externalizing trajectory, likelihood of membership in two "higher risk" trajectories increased with each additional copy of the minor allelic variant at CHRM2, and that this association was exacerbated among those exposed to higher levels of peer group antisocial behavior. 相似文献
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Jessie McGowan William Hogg Tamara Rader Doug Salzwedel Danielle Worster Elise Cogo Margo Rowan 《Health information and libraries journal》2010,27(1):11-21
Background: A librarian consultation service was offered to 88 primary care clinicians during office hours. This included a streamlined evidence‐based process to answer questions in fewer than 20 min. This included a contact centre accessed through a Web‐based platform and using hand‐held devices and computers with Web access. Librarians were given technical training in evidence‐based medicine, including how to summarise evidence. Objectives: To describe the process and lessons learned from developing and operating a rapid response librarian consultation service for primary care clinicians. Methods: Evaluation included librarian interviews and a clinician exit satisfaction survey. Results: Clinicians were positive about its impact on their clinical practice and decision making. The project revealed some important ‘lessons learned’ in the clinical use of hand‐held devices, knowledge translation and training for clinicians and librarians. Conclusions: The Just‐in‐Time Librarian Consultation Service showed that it was possible to provide evidence‐based answers to clinical questions in 15 min or less. The project overcame a number of barriers using innovative solutions. There are many opportunities to build on this experience for future joint projects of librarians and healthcare providers. 相似文献
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Robert J. Noonan Danielle Christian Lynne M. Boddy Pedro F. Saint-Maurice Gregory J. Welk Paul R. Hibbing 《Journal of sports sciences》2019,37(16):1919-1925
This study used accelerometer and self-report measures of overall sedentary time (ST) and screen time behaviours to examine their respective associations with adiposity among UK youth. Participants (Year groups 5, 8, and 10; n=292, 148 girls) wore the SenseWear Armband Mini accelerometer for eight days and completed the Youth Activity Profile, an online report tool designed to estimate physical activity and ST.Stature, body mass and waist circumference were measured to classify adiposity outcomes (overweight/obese and central obesity). One-way between groups ANOVA and adjusted linear, logistic and multinomial logistic regression analyses were conducted. There was a significant main effect of age on total ST across the whole week (F(2, 289)=41.64, p≤0.001). ST increased monotonically across Year 5 (581.09±107.81 min·dˉ¹), 8 (671.96±112.59 min·dˉ¹) and 10 (725.80±115.20 min·dˉ¹), and all pairwise comparisons were significant at p≤0.001. A steep age-related gradient to mobile phone use was present (p≤0.001). ST was positively associated with adiposity outcomes independent of moderate-to-vigorous intensity physical activity (MVPA; p≤0.001). Engaging in >3 hours of video gaming daily was positively associated with central obesity (OR=2.12, p≤0.05) but not after adjustment for MVPA. Results further demonstrate the importance of reducing overall ST to maintain healthy weight status among UK youth. 相似文献
76.
We assessed young adolescent female soccer players' perceptions of their peer group experiences. Data were collected via interviews with 34 girls from two youth soccer teams (M age = 13.0 years). Following inductive discovery analysis, data were subjected to an interpretive theoretical analysis guided by a model of peer experiences (Rubin, Bukowski, & Parker, 2006). Five categories of peer experiences were identified across three levels of social complexity. At the interaction level players integrated new members into the team and learned to interact with different types of people. At the relationship level players learned about managing peer conflict. At the group level a structure of leadership emerged and players learned to work together. Findings demonstrated interfaces between peer interactions, relationships, and group processes while also simplifying some apparently complex systems that characterized peer experiences on the teams studied. 相似文献
77.
Danielle Herro 《理论付诸实践》2015,54(2):117-127
Because traditional schools struggle to effectively understand, implement, and sustain digital learning initiatives, innovating with digital media in classrooms is a difficult endeavor. Practitioners need examples to better understand conditions necessary to move forward with digital media and learning (DML) in schools. This article provides examples and supports research proposing that context and culture matter when innovating in schools. Three classroom cases using Web 2.0, app development, and game design are discussed, offering educators a pathway to consider similar pedagogical and participatory approaches to foster learning. Classroom contexts, teachers' perspectives, district supports, technical requirements, and scalability are highlighted. The examples suggest innovative DML initiatives can flourish within schools when participants are mindful of context and when a participatory culture is supported (Jenkins, Clinton, Purushotma, Robison, & Weigel, 2006). 相似文献
78.
Digital media as a reflective tool: creating appropriate spaces for students to become introspective
Lane Perry Lee Stoner Max Schleser Krystina R. Stoner Daniel Wadsworth Rachel Page 《Compare》2015,45(2):323-330
Global citizenship and competency development have become integral parts of political, economic and education discourses. This is particularly true in the USA, where higher education institutions are answering the global citizenship call through the promotion of short-term study abroad. Unfortunately, the ‘just do it’ analogy too often influences the ideology of study abroad, whereby simply providing students with an international experience is perceived to be sufficient in shaping global citizenship. Global citizenship, as an educational outcome, is optimally facilitated when educational experiences are married with appropriate pedagogy, including the shaping of subsequent understandings and actions with critical reflection. We postulate that reflective experiences can be further enhanced by meeting students on the platforms and forums where they live, communicate and already engage. Specifically, this communication, using the context of short-term study abroad programmes, will argue that: (1) critical reflection is an essential step to fostering global citizenship and (2) digital story telling (mobile pedagogy) can be a powerful tool for enriching the critical reflection process. 相似文献
79.
The aim of this study was to examine the effects of sport goggles on visual target detection in female intercollegiate athletes. Participants were randomly divided into three groups that varied in goggle use (G) or no goggle use (NG) over a total of three 1-min trials during a visual target detection task. The NG-NG-NG group did not wear goggles for any of the trials, whereas the NG-G-NG group wore goggles for the second trial only, and the G-NG-G group wore goggles for the first and third trials. The task consisted of illuminated targets arranged in five concentric rings from central to peripheral visual angles. The effects of sport goggles on response time to detect targets were most evident in the peripheral rings. Those who did not wear sport goggles showed improved performance from the first to second trials. This improvement was impaired, however, in those who wore sport goggles. Moreover, there was a reversal of the performance improvements achieved without goggles in those who wore goggles on the third trial. Together, these findings suggest the sport goggles not only impaired the expected initial performance but also impaired visual target detection after performance improvements were seen. These findings suggest sport goggles may impair detection of peripheral visual stimuli in athletes. 相似文献
80.
Danielle B. Harlow Lauren H. Swanson Valerie K. Otero 《Journal of Science Teacher Education》2014,25(1):97-117
We investigated how prospective teachers used physics content knowledge when analyzing the talk of elementary children during special activities in an undergraduate physics content course designed for prospective teachers. We found that prospective teachers used content knowledge to reflect on their own learning and to identify students’ science ideas and restate these ideas in scientific terms. Based on this research, we inferred that analyzing children’s ideas through videos provides a meaningful context for applying conceptual physics knowledge in physics courses. Activities that are embedded within a disciplinary curriculum, such as those studied here, may help prospective teachers learn to use disciplinary knowledge in exactly the type of activity in which their content knowledge will be most useful: listening to and interpreting children’s science ideas. 相似文献