• Title/Summary/Keyword: content evaluation

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Influence of Teaching Option and Teaching Experience on Science Teachers' Pedagogical Content Knowledge of Environmental Education

  • Abdullah, Sharifah Intan Sharina Syed;Halim, Lilia
    • Journal of The Korean Association For Science Education
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    • v.32 no.8
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    • pp.1378-1389
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    • 2012
  • Environmental education is usually taught across the curriculum in most of the countries. This teaching approach has been a challenge for teachers to implement it especially in the Malaysian curriculum context. Thus, science teachers require effectual Pedagogical Content Knowledge of Environmental Education (PCK-EE). The purpose of this study was to explore the influence of teaching option and teaching experience on science teachers' PCK-EE. Five components of PCK-EE were investigated in this study, which were: a) knowledge of curriculum, b) knowledge of content, c) knowledge of student, d) knowledge of teaching strategies, and e) knowledge of evaluation. 347 secondary science teachers from the state of Selangor have participated in this survey study. The questionnaire used had 60 items. The findings revealed teaching option has a significant influence on science teachers' knowledge of content (p=0.000); knowledge of student (p=0.000) and knowledge of teaching strategies (p=0.016). In the case of teaching experience, it was found that there is a low correlation on knowledge of content (r=0.174) and knowledge of evaluation (r=0.170) only. Implication of this study leads to the suggestion in enhancing teachers' service training to improve their PCK-EE and subsequently their ability in teaching environmental education across curriculum.

Noodle making characteristics of goami rice composite flours (고아미(아밀로스 쌀) 복합분을 이용한 제면 특성)

  • Kim Jin-Sook;Kim Sang-Bum;Kim Tae-Young
    • The Korean Journal of Community Living Science
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    • v.17 no.2
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    • pp.61-68
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    • 2006
  • This Study was conducted to investigate the processing quality of high-amylose content rice(goami) flour for noodle. The potassium and magnesium contents of rice flour were negatively associated with gross score of noodle making mixed with wheat flour. The high-amylose content of rice flour was closed associated with gel consistency negatively and with hardness of rice noodle positively, Setback viscosity of rice flour measured in a rapid visco-analyser(RVA) was significantly affected by amylose content as well as gel consistency. Also the amylose content decreased, the amylogram pasting temperature and the breakdown ratio increased. The low-amylose content rice(Chucheong) flour showed higher values in solubility. Cooking quality and texture were measured, and sensory evaluation was performed with the noodles prepared. Texture measurement showed that the noodles of composite flour containing 40% goami rice flour were superior to those wheat flour alone. Water binding capacity of the composite flour containing 40% goami rice flour was lower than that of 40% chucheong rice flour. In sensory evaluation, chewiness, overall acceptability of noodle with 40% goami ricer was evaluated as the best.

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Toxicity evaluation based on particle size, contact angle and zeta potential of SiO2 and Al2O3 on the growth of green algae

  • Karunakaran, Gopalu;Suriyaprabha, Rangaraj;Rajendran, Venkatachalam;Kannan, Narayanasamy
    • Advances in nano research
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    • v.3 no.4
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    • pp.243-255
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    • 2015
  • In this investigation, ecotoxicity of nano and micro metal oxides, namely silica ($SiO_2$) and alumina ($Al_2O_3$), on the growth of green algae (Porphyridium aerugineum Geitler) is discussed. Effects of nano and micro particles on the growth, chlorophyll content and protein content of algae are analysed using standard protocols. Results indicate that $SiO_2$ nano and micro $SiO_2$ particles are non-toxic to P. aerugineum Geitler up to a concentration of 1000 mg/L. In addition, $Al_2O_3$ microparticles are less toxic to P. aerugineum Geitler, whereas $Al_2O_3$ nanoparticles are found to be highly toxic at 1000 mg/L. Moreover, $Al_2O_3$ nanoparticles decrease the growth, chlorophyll content, and protein content of tested algae. In addition, zeta potential and contact angle are also important in enhancing the toxicity of metal oxide nanoparticles in aquatic environment. This study highlights a new insight into toxicity evaluation of nanoparticles on beneficial aquatic organisms such as algae.

Evaluation of PUN1 gene and capsaicinoids content in pepper genetic resources with excellent phenotype

  • Ro, Na-young;Hur, Onsook;Sung, Jungsook;Lee, Jeaeun;Hwang, Aejin;Lee, Hosun;Roh, Jaejong;Rhee, Juhee
    • Proceedings of the Plant Resources Society of Korea Conference
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    • 2019.04a
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    • pp.69-69
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    • 2019
  • Pepper (Capsicum spp.) is one of the main quality features of this crop because of its sense of pungency, which is due to the presence of capsaicinoids. This compound is synthesized as a secondary metabolite and found only in the placental tissue of spicy fruit (Suzuki et al., 1980). Stewart et al. (2005) concluded that Pun1 encodes for the acyltransferase AT3 and they demonstrated its involvement in capsaicinoids metabolism. It was analyzed that the capsaicinoids content and PUN1 genotype in pepper genetic resources which were selected with excellent phenotype in field evaluation. The number of pepper genetic resources analyzed was 135, and species were C. annuum, C. baccatum, C. chinense, C. frutescens. The content of capsaicinoid ranged from 0 mg/100g to 828 mg/100g. The content of 0 mg/100g was the sweet pepper type, the highest content is IT 158530, the capsaicinoid content of which was 828 mg/100g and species was C. annuum. PUN1 gene analysis showed 117 pungent, 5 hetero, and 13 non-pungent. PUN1 analysis showed that 5 out of 13 non-pungent accessions were detected with low levels of capsaicinoid.

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The Relative Importance and Priority of Game Contents Industry Policy (게임콘텐츠산업정책의 우선순위에 대한 연구)

  • Jeon, Gyongran
    • Journal of Korea Game Society
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    • v.19 no.2
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    • pp.55-66
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    • 2019
  • This research studied how game contents related experts recognize the transition of contents industries in intellectual information era. This study also studied experts' priorities of evaluation elements in contents industry policies. For this, Analytic Hierarchy Process was utilized to analyze the relative importance and priorities of evaluation elements in contents industry policies. According to the analysis, the order of priorities was 'strengthening content technology', 'training content experts', 'improving the contents-related system' and 'strengthening content usage and consumer safety'. Also, in complex importance analysis, 'strengthening R&D system for content' was gauge as the most important element. In the analysis about each related group's thinking, industries and policy institutes considered 'strengthening content technology' important and academia evaluated 'training content experts' as the most important one.

A Study of Translation Conformity on Korean Version of a Balance Evaluation Systems Test (한국어판 Balance Evaluation Systems Test의 번역 적합성 연구)

  • Jeon, Yong-jin;Kim, Gyoung-mo
    • Physical Therapy Korea
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    • v.25 no.1
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    • pp.53-61
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    • 2018
  • Background: The process of language translation, adaptation, and cross-cultural validation of tools for use in multiple countries requires the adoption of well-established, comprehensive, and rigorous methodological approaches. Back translation, which is the most recommended method, permits the detection of errors in the translation and the identification of words or phrases that cannot be accurately or literally translated. Objects: The aim of this study was to verify the content validity of a Korean version of a Balance Evaluation Systems test (BESTest) by using a back-translation method. Methods: This research was conducted in six steps: 1) translation of the BESTest into Korean, 2) evaluation of the translation conformity of Korean-translated BESTest, 3) evaluation of the degree of translation comprehension, 4) back translation of Korean BESTest, 5) evaluation of the technical and conceptual equivalence, and 6) completion of the Korean version of BESTest by the translation verification committee. Results: In this study, Korean version of the BESTest achieved a rating of more than 3 (moderate) for translation comprehension, and technical equivalence and conceptual equivalence of back translation were evaluated as 3 (moderate) or more. Conclusion: The Korean version of the BESTest has proven content validity and is an appropriate tool to measure balance function.

PKG-VUL: Security Vulnerability Evaluation and Patch Framework for Package-Based Systems

  • Lee, Jong-Hyouk;Sohn, Seon-Gyoung;Chang, Beom-Hwan;Chung, Tai-Myoung
    • ETRI Journal
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    • v.31 no.5
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    • pp.554-564
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    • 2009
  • In information security and network management, attacks based on vulnerabilities have grown in importance. Malicious attackers break into hosts using a variety of techniques. The most common method is to exploit known vulnerabilities. Although patches have long been available for vulnerabilities, system administrators have generally been reluctant to patch their hosts immediately because they perceive the patches to be annoying and complex. To solve these problems, we propose a security vulnerability evaluation and patch framework called PKG-VUL, which evaluates the software installed on hosts to decide whether the hosts are vulnerable and then applies patches to vulnerable hosts. All these operations are accomplished by the widely used simple network management protocol (SNMP). Therefore, system administrators can easily manage their vulnerable hosts through PKG-VUL included in the SNMP-based network management systems as a module. The evaluation results demonstrate the applicability of PKG-VUL and its performance in terms of devised criteria.

Nondestructive Evaluation of Free Acid Content in Apples using Near-infrared Spectroscopy (근적외 분광분석법을 응용한 사과의 유리산 함량 측정)

  • Sohn, Mi-Ryeong;Cho, Rae-Kwang
    • Applied Biological Chemistry
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    • v.41 no.3
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    • pp.234-239
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    • 1998
  • In non-destructive evaluation of free acid content in apples by near- infrared spectroscopy(NIRS), browning and heat treatment of squeezed apple juice affected to the accuracy but titrable alkali concentration did not. The free acid content in apples after harvest was able to determine using different apples in harvest time for calibration making. The result of MLR, multiple correlation coefficient(R) was 0.77 and standard error of prediction(SEP) was 0.03%. The free acid content in apples during storage was able to determine using calibration equation established with stored apples, R was 0.90 and SEP was ca. 0.04%. The prediction accuracy by LAIR was not sufficient for use of quantitative analysis of free acid content in apple, but classification of law and high level in acid content was supposed to be applicable.

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Analysis of production capability by age in accordance with the function implementation of Game content (게임 콘텐츠의 기능 구현에 따른 연령별 제작 능력 분석)

  • Joo, Heon-Sik
    • Journal of Korea Game Society
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    • v.16 no.3
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    • pp.55-64
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    • 2016
  • Recently, the game industry has been developed in a large scale, and online games and mobile games place significant weight on the game industry. This study demonstrated the results of their content production capability by age those who are randomly selected participants into three groups of elementary school, middle school, and university students to get game content production capability from them. To evaluate content production capability, a short-term training was conducted for elementary school and middle school students, and they produced contents with a little low level of completeness. University students had a long-term training several times more than that of elementary school and middle school students, and they produced contents with a higher level of completeness. This study employed evaluation methods with evaluation criteria of the same number of persons and items. Evaluation scores of 80.5 for elementary school students, 88.3 for middle school students, and 78.3 for university students were demonstrated on the basis of a maximum scale of 100 points. Thus, it is said that if a systemic professional training is performed for them to develop game potentiality from the stage of middle school students, it is possible to raise professional personnel for game content production at an early stage and highly contribute to Nation's Competitiveness.