• Title/Summary/Keyword: Meta-Data

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Correlations among Meta Cognition, Critical Thinking and Self-efficacy of Nursing Students Studying through Problem Based Learning(PBL) (문제중심학습법으로 학습한 간호학생의 메타인지, 비판적 사고력, 자기효능감간의 관계)

  • Hwang, Yoon-Young;Park, Chang-Seong;Chu, Min-Sun
    • Research in Community and Public Health Nursing
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    • v.18 no.1
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    • pp.146-155
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    • 2007
  • Purpose: This study was performed to examine the degree of meta cognition, critical thinking and self-efficacy and to identify correlations among the meta cognition, critical thinking, and self-efficacy of nursing students studying through PBL. Method: The subjects were 140 nursing students who had studied through PBL over three terms at C College. Data were collected from August to September, 2005 using a structured questionnaire and analyzed using SPSS 10.0. Results: The mean score of meta cognition was 40.14 (SD=6.02), critical thinking was 181.46 (SD=14.49), and self-efficacy was 942.93 (SD=167.05). There was a statistically significant positive correlation between meta cognition and self-efficacy and age. Also, meta cognition had a positive correlation with appropriateness to nursing and interest in nursing knowledge, and critical thinking had a positive correlation with appropriateness to nursing, interest in nursing knowledge, interest in lab on campus and interest in clinical practicum. There were statistically significant positive correlations among meta cognition, critical thinking and self-efficacy. Conclusion: Based on above results, further research should be done about many factors influencing nursing students' problem solving abilities for the development and application of many teaching methods for improving nursing students' meta cognition, critical thinking and self-efficacy.

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Data hub system based on SQL/XMDR message using Wrapper for distributed data interoperability (분산 데이터 상호운용을 위한 SQL/XMDR 메시지 기반의 Wrapper를 이용한 데이터 허브 시스템)

  • Moon, Seok-Jae;Jung, Gye-Dong;Choi, Young-Keun
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.11 no.11
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    • pp.2047-2058
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    • 2007
  • The business environment of enterprises could be difficult to obviate redundancy to filtrate data source occurred on data integrated to standard rules and meta-data and to produce integration of data and single viewer in geographical and spatial distributed environment. Specially, To can interchange various data from a heterogeneous system or various applications without types and forms and synchronize continually exactly integrated information#s is of paramount concern. Therefore data hub system based on SQL/XMDR message to overcome a problem of meaning interoperability occurred on exchanging or jointing between each legacy systems are proposed in this paper. This system use message mapping technique of query transform system to maintain data modified in real-time on cooperating data. It can consistently maintain data modified in realtime on exchanging or jointing data for cooperating legacy systems, it improve clarity and availability of data by providing a single interface on data retrieval.

Meta-analysis for the studies on extrasolar planets using Kepler mission data

  • Jung, So-Yoon;Yoon, Tae Seog;Lee, Hyunsook
    • The Bulletin of The Korean Astronomical Society
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    • v.41 no.1
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    • pp.78.4-79
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    • 2016
  • This study aims to overview research articles on extrasolar planets using Kepler mission data during the period of 2009-2015 in order to discover research trends in them. Kepler space observatory is a NASA space observatory for extrasolar planet expedition launched in March 2009, contributed to the discovery and tracking of extrasolar planets and its candidates. In order to achieve the goal of this study, we classified research subjects from studies on Kepler mission data year by year and found the most frequent research topics each year. We also conducted a comparative analysis on the research subjects based on time series and examined any changes with respect to the goal of Kepler mission. Statistical meta-analysis is employed as the analysis method for the key words presented in the research articles. This study is a part of on-going research to find the correlation between the physical parameters of the host star and extrasolar planets. The results of this study could offer new directions in researches utilizing Kepler mission data as those meta-analyses in social sciences often suggest new opportunities. We have high expectations that more extrasolar planet studies will follow as we make further progresses in various analyses.

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Understanding Knowledge Sharing in Virtual Communities through Knowledge Seeking Behavior (가상공동체에서 지식탐색을 통한 지식공유에 관한 연구)

  • Kim, Jae Kyung
    • Journal of Information Technology Services
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    • v.13 no.1
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    • pp.71-86
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    • 2014
  • This study investigated knowledge browsing behavior as the factor affecting the increase of knowledge sharing intention. To conduct this study in the specific context of knowledge seeking and sharing behavior of virtual community members, literature on knowledge seeking behavior, meta-knowledge, and knowledge sharing intention was reviewed. Structural Equation Modeling was conducted to analyze survey data to test the research model of this study. The result showed that knowledge browsing have positive effects on creating of virtual community members' subject knowledge and meta-knowledge, which, in turn, affected positively their knowledge sharing intention. One of the main contributions of this study is that knowledge seeking behavior influence one's knowledge sharing intention in a virtual community. Organization managers should consider knowledge seeking behavior as not only a self-interested, consuming activity, but also a productive one through its function of constructing subject knowledge and meta-knowledge.

Importance of Meta-Analysis and Practical Obstacles in Oncological and Epidemiological Studies: Statistics Very Close but Also Far!

  • Tanriverdi, Ozgur;Yeniceri, Nese
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.3
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    • pp.1303-1306
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    • 2015
  • Studies of epidemiological and prognostic factors are very important for oncology practice. There is a rapidly increasing amount of research and resultant knowledge in the scientific literature. This means that health professionals have major challenges in accessing relevant information and they increasingly require best available evidence to make their clinical decisions. Meta-analyses of prognostic and other epidemiological factors are very practical statistical approaches to define clinically important parameters. However, they also feature many obstacles in terms of data collection, standardization of results from multiple centers, bias, and commentary for intepretation. In this paper, the obstacles of meta-analysis are briefly reviewed, and potential problems with this statistical method are discussed.

Immersive Learning Technologies in English Language Teaching: A Meta-Analysis

  • Altun, Hamide Kubra;Lee, Jeongmin
    • International Journal of Contents
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    • v.16 no.3
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    • pp.18-32
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    • 2020
  • The aim of this study was to perform a meta-analysis of the learning outcomes of immersive learning technologies in English language teaching (ELT). This study examined 12 articles, yielding a total of 20 effect sizes. The Comprehensive Meta-Analysis (CMA) program was employed for data analysis. The findings revealed that the overall effect size was 0.84, implying a large effect size. Additionally, the mean effect sizes of the dependent variables revealed a large effect size for both the cognitive and affective domains. Furthermore, the study analyzed the impact of moderator variables such as sample scale, technology type, tool type, work type, program type, duration (sessions), the degree of immersion, instructional technique, and augmented reality (AR) type. Among the moderators, the degree of immersion was found to be statistically significant. In conclusion, the study results suggested that immersive learning technologies had a positive impact on learning in ELT.

A Meta-Analytic Review of the Effectiveness of the Science Writing Heuristic Approach on Academic Achievement in Turkey

  • Bae, Yejun;Sahin, Ercin
    • Research in Mathematical Education
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    • v.24 no.3
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    • pp.175-199
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    • 2021
  • The Science Writing Heuristic (SWH) approach is described as an immersive argument-based science inquiry focusing particularly on learning through epistemic practices. In the literature, several previous studies indicate how academic achievement is positively influenced by the SWH. In addition to these previous studies, several meta-syntheses of qualitative data have been conducted on this particular topic. With these literatures in mind, a quantitative meta-analysis was conducted with ten studies (N = 724) to examine the effectiveness of the SWH on student achievement in Turkey. To present a thoroughly detailed report, this study also examined the following moderators: grade level, subject area, school location, intervention length, and report source. Overall, this study found that in Turkey, the SWH classrooms performed better in academic achievement tests than traditional lecture-based classrooms. Additionally, the SWH is more likely to be effective regardless of grade levels, subject areas, and school locations.

Statin Intake and Gastric Cancer Risk: An Updated Subgroup Meta-analysis Considering Immortal Time Bias

  • Bae, Jong-Myon
    • Journal of Preventive Medicine and Public Health
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    • v.55 no.5
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    • pp.424-427
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    • 2022
  • A retrospective record-linkage study (RLS) based on medical records containing drug prescription histories involves immortal time bias (ITB). Thus, it is necessary to control for this bias in the research planning and analysis stages. Furthermore, a summary of a meta-analysis including RLSs that did not control for ITB showed that specific drugs had a preventive effect on the occurrence of the disease. Previous meta-analytic results of three systematic reviews evaluating the association between statin intake and gastric cancer risk showed that the summary hazard ratio (sHR) of the RLSs was lower than 1 and was statistically significant. We should consider the possibility of ITB in the sHR of RLSs and interpret the results carefully.

A Study on Metadata Management Based Modified Htree for Smart Device File Management

  • Min, Youn-A
    • International Journal of Internet, Broadcasting and Communication
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    • v.14 no.4
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    • pp.148-153
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    • 2022
  • In keeping with the fourth industrial revolution, IoT-based environments are being implemented everywhere, and as a result, there is an increasing number of cases in which various types of sensed data are utilized efficiently. In particular, the number of multimedia application cases using smart devices is increasing, and there is an increasing number of cases in which large amounts of data are used as fast and convenient as small amounts of data. Given the increasing size of files used in smart devices, the study designed a modified Htree based on journaling meta data management in Ext4-based smart devices and analyzed performance through experiments of various methods. Performance evaluation analysis using IOZone and Hdread shows that the data size of 100Mbyte compared to the data input / output of existing htree is 10% or more, and that of the super large capacity file of 500Mbyte or more is 5% or more.