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51.
Al Shamsi Jawaher Hamad Al-Emran Mostafa Shaalan Khaled 《Education and Information Technologies》2022,27(6):8071-8091
Education and Information Technologies - Artificial intelligence (AI)-based voice assistants have become an essential part of our daily lives. Yet, little is known concerning what motivates... 相似文献
52.
Shawn Kent Jeanne Wanzek Yaacov Petscher Stephanie Al Otaiba Young-Suk Kim 《Reading and writing》2014,27(7):1163-1188
In the present study, we examined the influence of kindergarten component skills on writing outcomes, both concurrently and longitudinally to first grade. Using data from 265 students, we investigated a model of writing development including attention regulation along with students’ reading, spelling, handwriting fluency, and oral language component skills. Results from structural equation modeling demonstrated that a model including attention was better fitting than a model with only language and literacy factors. Attention, a higher-order literacy factor related to reading and spelling proficiency, and automaticity in letter-writing were uniquely and positively related to compositional fluency in kindergarten. Attention and higher-order literacy factor were predictive of both composition quality and fluency in first grade, while oral language showed unique relations with first grade writing quality. Implications for writing development and instruction are discussed. 相似文献
53.
从吉斯的金字塔到底比斯的陵墓,古老埃及的璀璨历史就体现在这些著名的建筑上.不幸的是,每年近四百万的旅游者给上述古建筑,尤其是那些位于尼罗河西岸的陵墓带来了沉重的负担.用数字化技术帮助建立起传统陵墓的资料库,以便更好地保护这些重要的历史建筑.同时通过重建一个数字陵墓的例子,讨论了运用照片图像及数字建构技术应注意的新问题,例如需要消除图像的变形、矫正三维模型和调整光线的平衡等问题,来达到真实的数字感观. 相似文献
54.
Paul Horwitz Alina von Davier John Chamberlain Al Koon Jessica Andrews Cynthia McIntyre 《Community College Journal of Research & Practice》2017,41(6):341-343
ABSTRACTThe Teaching Teamwork Project is using an online simulated electronic circuit, running on multiple computers, to assess students’ abilities to work together as a team. We pose problems that must be tackled collaboratively, and log students’ actions as they attempt to solve them. Team members are isolated from one another and can communicate only through an online chat channel, but modifications to the circuit made by any team member, insofar as they alter the behavior of the circuit, can affect measurements made by the others. We log all relevant student actions, including calculations (using an online calculator), measurements (using an online multimeter), inter-student communications, and alterations made by the students to the circuit itself. Automated analysis of the resulting data sheds light on the problem-solving strategy of each team, sometimes with surprising results. 相似文献
55.
Abstract This article presents ten strategies instructors can use to get their students to take more responsibility for their learning. Suggestions are given about the importance of getting students to verbalize why they are taking the course, helping students get into the proper mindset for each class, and structuring assignments so students will be more likely to come to class prepared. Other suggestions include teaching students to look out for each other, behave responsibly when working in groups, and analyze their learning experiences. By teaching responsibility, as well as content, in our classrooms, we can enhance learning, raise the level of our classrooms, and produce more responsible members of society. 相似文献
56.
Christina Weiland Christopher B. Wolfe Michael D. Hurwitz Douglas H. Clements Julie H. Sarama Hirokazu Yoshikawa 《教育心理学》2012,32(3):311-333
In recent years, there has been increased interest in improving early mathematics curricula and instruction. Subsequently, there has also been a rise in demand for better early mathematics assessments, as most current measures are limited in their content and/or their sensitivity to detect differences in early mathematics development among young children. In this article, using data from two large samples of diverse populations of prekindergarten and kindergarten children, we provide evidence regarding the psychometric validity of a new theory-based early mathematics assessment. The new measure is the short form of a longer, validated measure. Our results suggest the short form assessment is valid for assessing prekindergarten and kindergarten children’s numeracy and geometry skills and is sensitive to differences in early mathematics development among young children. 相似文献
57.
Elizabeth A. Harvey Candice Fischer Julie L. Weieneth Sara D. Hurwitz Aline G. Sayer 《Early childhood research quarterly》2013
The present study examined predictors of discrepancies between mothers’, fathers’, and teachers’ ratings of 3-year-old children's hyperactivity, attention problems, and aggression. Participants were families of 196 3-year-old children who took part in child and family assessments. Ethnicity was one of the most consistent predictors of discrepancies. African American mothers and fathers were more likely to rate their children's hyperactivity, attention problems, and aggression lower than teachers. In contrast, Latina mothers were more likely to rate their children as more hyperactive and inattentive than teachers. ADHD/ODD diagnoses, parental depression, number of children, and children's pre-academic skills were also predictive of discrepancies for some measures for some informants. These findings provide insight into factors that may contribute to informant discrepancies in ratings of preschool children. 相似文献
58.
59.
Jun Ma Si-Lu Chen Chek Sing Teo Chun Jeng Kong Arthur Tay Wei Lin Abdullah Al Mamun 《Journal of The Franklin Institute》2017,354(1):479-500
Linear direct feed drives are widely used in machine tools, but an abrupt counter force from the secondary part will induce the jerk to the metro frame contacted with the linear motor and cause the vibration of auxiliary devices on it. The jerk-decoupling cartridge (JDC) provides a buffer to reduce such an impact. Design target for such a system includes both the tracking error and the jerk induced to the metro frame. To achieve both targets systematically, this work presents an integrated approach to efficiently determine parameters in the JDC and the position controller of the feed drive. The problem is firstly formulated as a nonlinear constrained optimization problem, which is then converted to a series of projection gradient optimization problems and step searching problems, which are either convex or linear. Thus, fast convergence of parameters are achieved within first several iterations. Through a series of simulation, the effectiveness of proposed methodology is verified. 相似文献
60.