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61.
Drawing on the sociocultural theoretical (SCT) perspective, we offer a microgenetic analysis of mentor–mentee interactions in the context of pre-service teachers’ practicum in a Master’s program for Teaching English as a Second Language (TESL). Following two pairs of mentors and mentees, we analyze audio-recorded interactions and interviews and examine in depth how mediation occurs during mentoring and how such mediation assists the mentees in learning to become teachers. Our findings show that mentors’ mediation is dynamic and contingent upon the context in which mentoring occurs and that the quality and character of mentor–mentee interactions during goal-directed activities is a critical feature of promoting the mentees’ learning. Responsive mediation especially plays a key role in promoting the mentees’ cognitive development, and it is an essential component of effective mentoring. This calls for a more SCT-informed approach to conceptualizing mentoring and training mentors in practicums. 相似文献
62.
Jiyoon Jung Anne Ottenbreit-Leftwich 《British journal of educational technology : journal of the Council for Educational Technology》2020,51(2):555-571
We introduce an analytic approach to examine preservice teachers' technology integration learning as a process mapped against their technology-related course experience in a technology integration course. The approach assumes that (1) the preservice teachers have common course learning experience; (2) their data are collected pre- and post-course and paired; (3) the sample size is large enough to generate a structural covariance model; (4) the measurement is contextualized to the course characteristics around the types of technology tasks/tools used in the course and whether or not they were explicitly taught. The approach was applied to 368 preservice teachers' paired data to illustrate how the approach addresses the methodological issue of construct validity in TPACK measures, highlights the importance of technology integration course experience, and provides useful insights into a particular technology integration learning to its stakeholders. 相似文献
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64.
JungWon Yoon 《Library & information science research》2011,33(4):269-275
With the proliferation of images in daily life, it is crucial to investigate what, where, why and how people search images in response to their everyday needs. In order to examine the daily needs of image searchers, a survey questionnaire was administered to 58 college students. The results demonstrated that the majority of college students use Google or Google Image for searching images, because of its familiarity and user-friendly interface. Although searchers reported a high success rate (85.6%) of image retrieval, they wanted search engines to return more relevant images and fewer irrelevant and redundant images. They also desired search engines to provide high resolution and full scale images. Students searched for images for various purposes, including to: prepare presentation materials, use as computer wallpaper, get ideas for purchasing, travel destinations, or beauty/fashion items, see what something looks like, verify names, solve problems, out of curiosity, and so on. Some types of needs revealed that users were interested in associated textual information, as well as the image itself. The implications for image retrieval system design are 1) it is proposed that metadata information (size, quality, type, copyright information) be utilized in browsing or navigating images, and 2) further research on an information retrieval system that can support users looking for both text and images concurrently is suggested. 相似文献
65.
To complete this special issue on theoretical bases for antibullying efforts in schools, we focus in this article on the importance of teachers and other educators in the ecology of schools. First, we present evidence that teachers are not perceived to be effective at intervening when bullying occurs. Then, using a social motivational lens, we provide an overview of teachers' role as a socializing agent in the classroom and school with a particular emphasis on their influence on bullying behaviors among students. Then we present two theories, the theory of planned behaviors, and the transactional theory of emotions and coping. We believe these theories highlight the complexity of teacher responses and make the case that teachers need more than knowledge of bullying to be effective in their role. We discuss implications for teacher training and professional development. 相似文献
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67.
Ayoung Yoon 《Archival Science》2014,14(1):17-34
While repositories’ efforts to build trustworthy digital repositories (TDRs) led to the establishment of ISO standards, much less research has been done regarding the user’s side, despite calls for an understanding of users’ trust of TDRs. In order to learn about users’ perspectives on trust in digital repositories, the present study investigated users’ definitions of trust and factors that influence users’ trust development, particularly addressing the users of three data repositories in the United States. A total of 19 participants were interviewed in this study. The results of this study indicate that users’ definition of trust is largely based on a lack of deception, when it comes down to the specific context of data repositories. Regarding factors influencing the development of users’ trust in repositories, organizational attributes, user communities (recommendations and frequent use), past experiences, repository processes (documentation, data cleaning, and quality checking), and users’ perception of the repository roles were identified. 相似文献
68.
Cell encapsulation technology is a promising strategy applicable to tissue engineering and cell therapy. Many advanced microencapsulation chips that function via multiple syringe pumps have been developed to generate mono-disperse hydrogel beads encapsulating cells. However, their operation is difficult and only trained microfluidic engineers can use them with dexterity. Hence, we propose a microfluidic manifold system, driven by a single syringe pump, which can enable the setup of automated flow sequences and generate highly mono-disperse alginate beads by minimizing disturbances to the pump pressure. The encapsulation of P19 mouse embryonic carcinoma cells and embryonic body formation are demonstrated to prove the efficiency of the proposed system. 相似文献
69.
Valerie J. Shute Matthew Ventura Yoon Jeon Kim 《The Journal of educational research》2013,106(6):423-430
ABSTRACT Digital games are very popular in modern culture. The authors are examining ways to leverage these engaging environments to assess and support student competencies. The authors examine gameplay and learning using a physics game they developed called Newton's Playground. The sample consisted of 167 eighth- and ninth-grade students who played Newton's Playground for about 4 hr over the course of 1.5 weeks. Findings include significant pretest–posttest physics gains, and significant relations between in-game indicators and learning. 相似文献
70.
Sarah J. Schoppe-Sullivan Jingyi Wang Junyeong Yang Minjung Kim Yiran Zhang Susan H. Yoon 《Child development》2023,94(4):874-888
This study identified coparenting patterns using data collected across 2007–2010 from low-income couples (N = 2915; 26.90% non-Hispanic White; 9.41% non-Hispanic Black; 34.24% Hispanic, 29.27% other or mixed race) with young children (M = 3.65 years; SD = 1.31 years; 48% girls) and examined relations with children's social–emotional adjustment. Latent profile analysis revealed four coparenting patterns: mutual high-quality (43.4%), moderate-quality, mothers less positive (31.8%), moderate-quality, fathers less positive (15.9%), and low-quality, mothers less positive (8.9%). When parents' perspectives on coparenting were positive and congruent, children fared best. Children also fared well when coparenting quality was moderate, and mothers were less positive than fathers. When coparenting quality was moderate and fathers were less positive than mothers, children showed the poorest adjustment. 相似文献