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Developmental Differences in Relations Between Episodic Memory and Hippocampal Subregion Volume During Early Childhood 
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下载免费PDF全文 Tracy Riggins Sarah L. Blankenship Elizabeth Mulligan Katherine Rice Elizabeth Redcay 《Child development》2015,86(6):1710-1718
Episodic memory shows striking improvement during early childhood. However, neural contributions to these behavioral changes are not well understood. This study examined associations between episodic memory and volume of subregions (head, body, and tail) of the hippocampus—a structure known to support episodic memory in school‐aged children and adults—during early childhood (n = 45). Results revealed significant positive relations between episodic memory and volume of the hippocampal head in both the left and right hemispheres for 6‐ but not 4‐year‐old children, suggesting brain–behavior relations vary across development. These findings add new information regarding neural mechanisms of change in memory development during early childhood and suggest that developmental differences in hippocampal subregions may contribute to age‐related differences in episodic memory ability. 相似文献
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This paper presents results of an empirical study of the effects of increasing the amount of math and reading instruction offered to third through sixth grade students. The data come from a nationwide random sample for the 1976–1977 school year. While blacks and Hispanics received significantly greater hours of instruction than whites, all groups experienced diminishing returns at the observed amounts of instruction. In nearly all cases there appeared to be little benefit expected from a further increase in the amount of math and reading instruction offered per day. 相似文献
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Shannon Pritting Timothy Jackson Michael Mulligan 《Journal of Interlibrary Loan, Document Delivery & Electronic Reserve》2013,23(1):11-24
The application and IT ecosystem of academic libraries typically includes multiple systems, with crucial functions requiring using or sharing information between them. However, library systems are often not well integrated, making workflows and system interactions less than optimal for both staff and patrons. The method to integrate systems that the IDS Project took was to create a middleware platform, IDS Logic, that can connect multiple library systems and open or vendor web services to create the best resource sharing experience for staff and patrons. One specific application that is hosted within the IDS Logic middleware platform is Article Gateway, which uses resource-sharing technology and workflows to deliver fast or instant access to research material to users with little or no staff time and removes as many barriers to user access as possible. Where resource sharing has typically sought to deliver articles in one-to-two days, libraries using Article Gateway typically deliver a significantly higher percentage of articles to patrons within a few hours. 相似文献
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Apkarian Jacob Mulligan Kerry Rotondi Matthew B. Brint Steven 《Tertiary Education and Management》2014,20(2):151-164
This study compares the explanatory power of two models of academic governance: dual and managerial control. The research is based on characterizations by chief academic officers of the primary decision-makers involved in 13 types of recurrent academic decisions. We examine change between responses to surveys fielded to US four-year colleges and universities in 2000 and 2012. We find limited support for the dual control and the managerial control models in both years. As an alternative to the two dominant conceptual models, we develop an empirically grounded classification based on multidimensional scaling and cluster analysis. In each year we find high faculty participation and management-dominant clusters. The other identified clusters do not map well onto either of the two dominant conceptual models. Given these results, we argue that configurational analysis should be used as a supplement to future studies monitoring the incidence of dual and managerial control in academic governance. 相似文献
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With the passage of the Americans with Disabilities Act in the United States and the Canadian Chartre of Rights and Freedoms, there is a new work environment for individuals with learning disabilities (LD) in North America. This qualitative study sought to compare the employment experiences of 25 U.S. adults with LD and 24 Canadian adults with LD. Areas of comparison were job getting, experiences on the job, and job advancement. Remarkably, the U.S. and Canadian adults with LD had nearly the same employment experiences. In essence, each set of data mirrored the other despite marked differences in U.S. and Canadian federal disability legislation. 相似文献
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Catherine D. Bruce Brent Davis Nathalie Sinclair Lynn McGarvey David Hallowell Michelle Drefs Krista Francis Zachary Hawes Joan Moss Joanne Mulligan Yukari Okamoto Walter Whiteley Geoff Woolcott 《Educational Studies in Mathematics》2017,95(2):143-161
This paper finds its origins in a multidisciplinary research group’s efforts to assemble a review of research in order to better appreciate how “spatial reasoning” is understood and investigated across academic disciplines. We first collaborated to create a historical map of the development of spatial reasoning across key disciplines over the last century. The map informed the structure of our citation search and oriented an examination of connection across disciplines. Next, we undertook a network analysis that was based on highly cited articles in a broad range of domains. Several connection gaps—that is, apparent blockages, one-way flows, and other limitations on communications among disciplines—were identified in our network analysis, and it was apparent that these connection gaps may be frustrating efforts to understand the conceptual complexity and the educational significance of spatial reasoning. While these gaps occur between the academic disciplines that we evaluated, we selected a few examples for closer analysis. To illustrate how this lack of flow can limit development of the field of mathematics education, we selected cases where it is evident that researchers in mathematics education are not incorporating the important work of mathematicians, psychologists, and neuroscientists—and vice versa. Ultimately, we argue, a more pronounced emphasis on transdisciplinary (versus multidisciplinary or interdisciplinary) research might be timely, and perhaps even necessary, in the evolution of educational research. 相似文献