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171.
Eulsun Seung Soonhye Park Ratna Narayan 《Journal of Science Education and Technology》2011,20(6):703-714
This study examined elementary preservice teachers’ beliefs about the role/image of a science teacher and science teaching
and how these beliefs change during an elementary science methods course; this examination was conducted through an analysis
of their metaphor writing. Data included personal metaphors and rationale papers for supporting them collected from 106 participants
at the start and end of the semester. Data were analyzed using the constant comparative method and also quantified for statistical
analysis. Results indicate that most participants came to the course with traditional views and developed more constructivist
views during the course. However, they tended to keep their traditional views and added new constructivist perspectives into
their original belief systems. This study suggests that metaphor writing can be used as both a reflection tool for preservice
teachers to clarify and refine their beliefs about science teaching and learning and a diagnostic assessment tool for teacher
educators to understand their students for tailoring a methods course accordingly. 相似文献
172.
Kihyun Kim Silvana Trimi Hyesung Park Shanggeun Rhee 《Decision Sciences Journal of Innovative Education》2012,10(4):575-587
Course Management Systems (CMSs) in higher education have emerged as one of the most widely adopted e‐learning platforms. This study examines the success of e‐learning CMSs based on user satisfaction and benefits. Using DeLone and McLean's information system success model as a theoretical framework, we analyze the success of e‐learning CMSs in five dimensions: system quality, information quality, instructional quality, user satisfaction, and CMS benefits. An analysis of survey data collected from students participating in a university‐wide CMS shows that system quality, information quality, and instructional quality positively influence user satisfaction, which, in turn, increases the benefits of CMSs. By providing a comprehensive framework for the critical success factors in e‐learning CMSs and their causal relationships, this study provides practical implications for managing e‐learning courses and resources for a more flexible and effective CMS‐centered, e‐learning environment. 相似文献
173.
Previous assessments of the reliability of test scores for testlet-composed tests have indicated that item-based estimation
methods overestimate reliability. This study was designed to address issues related to the extent to which item-based estimation
methods overestimate the reliability of test scores composed of testlets and to compare several estimation methods for different
measurement models using simulation techniques. Three types of estimation approach were conceptualized for generalizability
theory (GT) and item response theory (IRT): item score approach (ISA), testlet score approach (TSA), and item-nested-testlet
approach (INTA). The magnitudes of overestimation when applying item-based methods ranged from 0.02 to 0.06 and were related
to the degrees of dependence among within-testlet items. Reliability estimates from TSA were lower than those from INTA due
to the loss of information with IRT approaches. However, this could not be applied in GT. Specified methods in IRT produced
higher reliability estimates than those in GT using the same approach. Relatively smaller magnitudes of error in reliability
estimates were observed for ISA and for methods in IRT. Thus, it seems reasonable to use TSA as well as INTA for both GT and
IRT. However, if there is a relatively large dependence among within-testlet items, INTA should be considered for IRT due
to nonnegligible loss of information. 相似文献
174.
Korean politicians, particularly National Assembly members, have embraced the internet as a major means of communication for managing election campaigns and maintaining relationships with (potential) supporters during non-election periods. An increasing number of National Assembly members have become aware of the considerable influence that the internet has on their constituents, and thus, this study determines whether there are significant differences in online networks of National Assembly members and examines the relationship among National Assembly members and that between those members and their constituents to determine whether Twitter is used as a tool for communication as well as deliberation. The data were drawn from homepages, blogs, and Twitter pages of the members of the 18th National Assembly in April 2010. The results indicate that National Assembly members tended to have a more equal relationship in the Twitter network than in the homepage or blog network. More importantly, the members were linked mainly to fellow politicians in the same party, and thus, they used Twitter to communicate more with fellow politicians than with their constituents. 相似文献
175.
Research in Science Education - This paper argues that meaning-making with multimodal representations in science learning is always contextualized within a genre and, conversely, what constitutes... 相似文献
176.
Ji Yong Park 《高等教育研究与发展》2014,33(5):992-1006
The introduction of online delivery platforms such as learning management systems (LMS) in tertiary education has changed the methods and modes of curriculum delivery and communication. While course evaluation methods have also changed from paper-based in-class-administered methods to largely online-administered methods, the data collection instruments have remained unchanged. This paper reports on a small exploratory study of two tertiary-level courses. The study investigated why design of the instruments and methods to administer surveys in the courses are ineffective measures against the intrinsic characteristics of online learning. It reviewed the students' response rates of the conventional evaluations for the courses over an eight-year period. It then compared a newly developed online evaluation and the conventional methods over a two-year period. The results showed the response rates with the new evaluation method increased by more than 80% from the average of the conventional evaluations (below 30%), and the students' written feedback was more detailed and comprehensive than in the conventional evaluations. The study demonstrated the possibility that the LMS-based learning evaluation can be effective and efficient in terms of the quality of students' participation and engagement in their learning, and for an integrated pedagogical approach in an online learning environment. 相似文献
177.
Su-Jeong Wee Elsa K. Weber Soyeon Park 《International Journal of Early Years Education》2014,22(4):409-422
This research examines specific areas of confidence and concern as expressed by 40 American undergraduate early childhood students on a practicum (supervised field-based internships); if their beliefs changed over the course of their practicum, and if prior teaching experience had an impact on their confidence levels. Areas of confidence and concern were determined through questionnaires, reflections and interviews at three points in time during the semester. Findings indicate that students were more confident when arranging the physical environment and least confident in managing children's behaviour. Significant changes in understanding and interaction with children, planning and implementing activities and overall confidence were observed over time periods. Experienced students initially showed and maintained higher confidence levels than inexperienced students who were much less confident at the start of the practicum, but improved significantly. Interestingly, by the end of the semester, this latter group was as confident as more experienced students. Here the factors that affected confidence, the factors that boosted student confidence at different time periods and differences in confidence among students based on prior experience are discussed. 相似文献
178.
Educational environment influences students’ learning attitudes, and the classroom conveys the educational philosophy. The traditional college classroom design is based on the educational space that first appeared in medieval universities. Since then classrooms have not changed except in their size. In an attempt to develop a different perspective of educational environment, a new design of classroom, the active learning classroom (ALC), was established at SoongSil University in Korea. Two questionnaire surveys were conducted for diagnosing the educational effects of students’ learning in the ALC and comparing the results with those obtained regarding the traditional classroom. The result proved the existence of a ‘golden zone’ and a ‘shadow zone’ in the traditional classroom, which discriminate students’ learning experiences depending on seating positions. On the contrary, the ALC did not produce such positional discrimination. Students perceived the ALC environment as more inspirational, especially in regards to active class participation. Students with more emphasis on academic achievement showed greater tendency to share information and to create new ideas in the ALC. However, in the traditional classroom setting, only students with high GPAs were more motivated to learn while the gap in learning attitudes was offset in the ALC setting. In-depth discussions about research findings were undertaken and four suggestions were provided in support of school administrators and relevant institutional personnel, faculty members, and researchers for future utilization of the ALC. 相似文献
179.
Educational technology research and development - This paper explores another format for mobile learning (mLearning) content consisting of Still Pictures, Audio, and Text (SPAT; Rha, Instructional... 相似文献
180.