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41.
Minds Under Siege: Cognitive Signatures of Poverty and Trauma in Refugee and Non-Refugee Adolescents
Alexandra Chen Catherine Panter-Brick Kristin Hadfield Rana Dajani Amar Hamoudi Margaret Sheridan 《Child development》2019,90(6):1856-1865
The impacts of war and displacement on executive function (EF)—what we might call the cognitive signatures of minds under siege—are little known. We surveyed a gender-balanced sample of 12- to 18-year-old Syrian refugees (n = 240) and Jordanian non-refugees (n = 210) living in Jordan. We examined the relative contributions of poverty, trauma exposure, posttraumatic stress, and insecurity to variance in inhibitory control and working memory. We observed associations between poverty and WM, suggesting that, even in populations exposed to substantial violence and fear, poverty is a specific pathway to WM deficit. We did not, however, find associations between EFs and exposures to trauma. Careful distinction between childhood adversities may illuminate which neurocognitive pathways matter for measures of cognitive function. 相似文献
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Nicole M. McKevett Kourtney R. Kromminga Amelia Ruedy Rachel Roesslein Kristin Running Robin S. Codding 《Learning disabilities research & practice》2020,35(1):25-35
National assessments suggest that many students do not display proficiency with fractions. Considering that time and materials are precious resources, many educators are looking to use technology to provide supplemental instruction with low demand on the instructor. The current study utilized a multiple-baseline design to examine the effects of the Motion Math: Bounce application on the fraction quantity comparison and number line placement skills of three fifth-grade students. Results indicate that Motion Math: Bounce improved the quantity comparison skills of all three participants and the number line skills of one participant. Additionally, all three participants made improvements from pre- to posttest on a measure of general fraction knowledge. Implications for future research and intervention implementation are discussed. 相似文献
43.
Haley Woodside‐Jiron Kristin M. Gehsmann 《International Journal of Disability, Development & Education》2009,56(1):49-72
This article explores the complex process of school change over a six‐year period in one high‐poverty, urban elementary school in a northeastern city of the United States. The school included in this instrumental case study was identified by its State Department of Education as “being in need of improvement” in March 2000. Findings suggest that creating opportunities for context‐based solutions, curricular coherence, and responsive and consistent coaching were the necessary means for leveraging change at this school. Further, responding to the layers and iterations of educational policy, and addressing the deeper social issues intimately associated with serving high‐poverty communities, was essential. We identify policy issues that contributed to the complexity of this school’s improvement efforts. Our analysis extends beyond surface‐level documentation of the school’s inputs and outputs, and illustrates what it means to meet individual students’ needs in complex social and institutional spaces. We also discuss social justice issues that are linked with current policies targeting improved outcomes for all children. 相似文献
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Identifying social learning in wild populations is complicated by the relative lack of ability to conduct controlled experiments
in natural habitats. Even in more controlled captive settings, tracking the innovation and spread of behavior among known
individuals can be challenging, and these studies often suffer from a lack of ecological validity. In recent years, a host
of new approaches have been undertaken to attempt to provide more quantitative control and empirical demonstration of social
learning, both in the wild and in captive settings that more closely mimic natural contexts. Developmental approaches are
being undertaken more regularly that allow us to study the ontogenetic trajectory of complex skills in a variety of taxa.
Likewise, a spirited focus on the social context of social learning has emerged, and researchers have begun to meticulously
analyze the influences of social systems and the characteristics of demonstrators and observers. Here, we provide a review
of these studies and summarize the opportunities and constraints that exist when one attempts to study learning in social
species. We suggest that although the study of social learning in nonhuman animals is becoming much more complex, addressing
this complexity provides a fruitful model for understanding the evolution of human cultural behavior. 相似文献
46.
Andrew M. Watson Carol Coutinho Kristin Haraldsdottir Stacey Brickson Warren Dunn Marlowe Eldridge 《European Journal of Sport Science》2018,18(4):534-540
Purpose: To evaluate the influence of physical maturity on the changes in ventricular morphology and function with sport training in female youth athletes.Methods: Thirty-two female athletes (age 13–18 years) underwent height and weight measurement and 2-D echocardiographic evaluation immediately prior to, and following, a 20-week soccer season. Pre- and post-season left ventricular end-diastolic diameter (LVEDD), end-diastolic volume (LVEDV), ejection fraction (LVEF), stroke volume (LVSV), mass (LVM), and posterior wall thickness (LVPWT), right ventricular end-diastolic diameter (RVEDD), end-diastolic area (RVEDA), and fractional area change (RVFAC), and interventricular septal thickness (IVST) were compared. In-season change in each variable was compared across pre-season hours of vigorous physical activity (0–1, 2–3, >3 hours).Results: Significant increases were identified in LVEDV (51.3?±?10.4?v 56.4?±?9.6?ml/m2, p?=?0.001) and RVEDA (10.5?±?1.9?v 11.3?±?2.5?cm2/m2, p?=?0.040), but not LVEDD, LVM, LVPWT, LVSV, RVEDD, RVEDA, RVFAC, or IVST (p?>?0.05 for all). In-season changes in echocardiographic variables did not differ across hours of pre-season vigorous physical activity (p?>?0.05 for all).Conclusion: Among female adolescent soccer players, in-season training elicits changes in resting ventricular volume, but not wall thickness or systolic function. These adaptations do not appear to be influenced by pre-season physical activity level. 相似文献
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Betsy Page Sigman William Garr Robert Pongsajapan Marie Selvanadin Mindy McWilliams Kristin Bolling 《Decision Sciences Journal of Innovative Education》2016,14(4):362-381
The expression “big data” is ubiquitous in the business world today, but few undergraduate business students have the opportunity to gain practical experience with how new business analytics tools can be used in decision making. This article describes a set of hands‐on labs that prepare students to incorporate streaming data analysis into group research projects. Splunk is used to help students analyze and visualize streaming social media data. An evaluation of student projects and student survey results show that this practical approach of training students to manipulate and visualize big data was largely successful in achieving instructional goals. 相似文献
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Margaret Kristin Merga 《Asia Pacific Journal of Education》2016,36(3):409-424
The link between recreational book reading and improved literacy performance is consistently supported by educational research. Increasing engagement in recreational book reading remains imperative for English teachers, though how to best facilitate this in a secondary context is an object of contention, with limited research in this field. The West Australian Study in Adolescent Book Reading explored attitudes and engagement in recreational book reading. Student responses provide valuable insight directly from the target group that can help to shape best practice for adolescent literacy educators. Findings are presented around six key themes, and include strategies for choice, access to attractive and diverse books, time availability, time allocation, concentration and encouragement. 相似文献
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