Journal of the Korea Academia-Industrial cooperation Society
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v.16
no.5
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pp.3139-3147
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2015
The aim of this study was to investigate the condition surrounding attempted suicide and related factors among middle and high school students in Korea. Methods : Data from 72,435 participants of 2013 Korea Youth Risk Behavior Web-based Based Survey were analyzed. Statistical analyses were conducted on weighted data using SPSS 21 software to account for the complex sampling designs. Results : Complex samples logistic regression analysis, school level, socioeconomic status, drinking alcohol, drug use, experience of school bullying were associated with an increased proportion of attempted suicide for boys and girls. Particularly, male students was associated with living type. Conclusion : The results of this study highlight the important of developing a program that focuses on enhancing suicidal prevention & respect life program with life skills program, to effectively reduce the likelihood of attempted suicide among adolescents in Korea.
This study purpose was to explore whether career maturity and parents-children relationship related factors were differentiated by giftedness, gender and secondary school level (research question 1). In addition, this study focused on the effects of parents-children relationship related factors on career maturity with a comparison on gifted and regular students (research question 2). The sample included 213 gifted middle school and high school students who participated in the Korean gifted education center and 243 regular students. Multivariate analysis of variance was conducted for research question 1, and hierarchical regression analysis was conducted for research question 2. The results of this study showed that (1) gifted students showed a higher level of career maturity, achievement expectation (parents-children relationship), respect (parents-children relationship), discussion and leisure (activity with parents), sharing ordinary life and communication (activity with parents), career support of parents compared to regular students ; (2) Girls showed higher level only in sharing ordinary life and communication compared to boys ; (3) middle school students more highly perceived the parents' achievement expectation and control, respect for parents, activities with parents (discussion and leisure, sharing ordinary life and communication) compared to high school students ; (4) the career support of parents was the strongest predictor of career maturity, and discussion and leisure was also a significant factor predictor of career maturity. Based on these results, it was suggested for parents to support their children's career maturity of both gifted and regular students by increasing frequencies of various activities shared with their children such as discussion and leasure.
Journal of The Korean Association For Science Education
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v.42
no.4
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pp.417-428
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2022
This study analyzed the frequency and level of scientific practices presented in secondary science textbooks. A total of 1,378 student activities presented in 14 middle school science textbooks and 5 high school integrated science textbooks were analyzed, using the definition and level of scientific practice suggested in the NGSS. Findings show that most student activities focus on three practices. Compared to the textbooks for the previous science curriculum, the practice of 'obtaining, evaluating, and communicating information' was more emphasized, reflecting societal changes due to ICT development. However, the practice of 'asking a question', which can be an important element of student-led science learning, was still rarely found in textbooks, and 'developing and using models', 'using math and computational thinking' and 'arguing based on evidence' were not addressed much. The practices were mostly elementary school level except for the practice of 'constructing explanations'. Such repeated exposures to a few and low level of practices mean that many future citizens would be led to a naïve understanding of science. The findings imply that it is necessary to emphasize various practices tailored to the level of students. In the upcoming revision of the science curriculum, it is necessary to provide the definition of practices that are not currently specified and the expected level of each practice so that the curriculum can provide sufficient guidance for textbook writing. These efforts should be supported by benchmarking of overseas science curriculum and research that explore students' ability and teachers' understanding of scientific practices.
Journal of Korean Home Economics Education Association
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v.23
no.4
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pp.125-141
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2011
The purpose of this study is to investigate Home Economics(HE) teachers' perception of Home Economics curriculum perspective and their instructional culture, and to find out correlations between them. 210 questionnaires were used for analysis. The results are as follows. First, our research showed that the preferences of HE teachers with respect to curriculum perspectives were in the order of the interpretive, emancipatory, and technical perspectives. However, there was no consistency among findings in the preferences for the sub-elements of a curriculum. Second, our results indicated that HE teachers performed their role affirmatively in terms of instructional culture such as the 'cooperation between teachers', the 'class focused on student', and the 'learning materials preparation'. Third, there was a statistically significant difference in five elements such as the 'cooperation among teachers' between the HE teachers' curriculum perspectives and their instructional culture. Fourth, there was a statistically significant difference in the 4 factors of 'instructional culture' between the teacher group whose curriculum preference was clear and those group whose curriculum preferences was vague.
Journal of the Korea Academia-Industrial cooperation Society
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v.17
no.12
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pp.71-80
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2016
Purpose: The aim of this study was to identify sexual experiences and associated factors among middle and high school students in Korea. Methods: Data were analyzed from 74,186 participants who completed the 2012 Korea Youth Risk Behavior Web-based Survey. Descriptive statistics were used to identify the condition of sexual behavior, and a complex sample logistic regression was used to examine the factors related to sexual behavior. Results: Data showed that 4.3% of adolescents had engaged in sexual intercourse (5.9% of males and 2.6% of females). According to the logistic regression analysis for complex samples, the school level, socioeconomic status, experience of part time work, and living with parents, were all factors associated with the decision to engage in sexual intercourse among boys and girls. In particular, sex education in schools was associated with a reduced risk of sexual intercourse. Conclusion: The results of this study highlight the importance of developing a program that focuses on enhancing sex education and promoting refusal and better decision-making skills in order to effectively reduce the likelihood of sexual experience among adolescents in Korea.
Journal of the Korean Academy of Child and Adolescent Psychiatry
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v.3
no.1
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pp.14-25
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1992
The present study was purposed to find out variables of childhood antisocial behavior. The variables consisted of social cognition competence(Peer perception. acquaintance perception, frustration situation perception). academic competence(Visual integration function. written expression function, grammar closure function). The subject in this study were 32 nine year old-fourteen year old antisocial behavior boys and 32 third grade in elementary school-second grade in middle school normal boys and girls. The results of this study were obtained as follows. 1) In peer perception antisocial behavior children perceived peer as more supportive than normals. In acquaintance perception. there was no difference between groups. 2) In frustration situation perception, normal children used intropunitive attack still more than antisocial behavior children and antisocial behavior children perceived frustration situation more sensitive than normals and they were less active in problem solving aspects than normals. 3) In Academic competence, antisocial behavior children have deficits in visual motor integration function, written expression function. grammar closure function.
In plants, calcium ($Ca^{2+}$)-dependent protein kinases (CDPKs) are important sensors of $Ca^{2+}$ signals. Previous research demonstrated the expression of the OsCPK11 gene in various tissues at the transcription level, but its developmental and biochemical functions at the protein level were not determined. This study was aimed to identify biochemical characteristics of OsCPK11. GST- OsCPK11 was expressed in E. coli and used for an in vitro kinase assay. Biochemical analyses identified OsCPK11 as a CDPK. OsCPK11 autophosphorylated itself and transphosphorylated histone III-s and MBP as substrates in the presence of $Ca^{2+}$. The activity of the recombinant OsCPK11 was influenced by $Mg^{2+}$, with optimum activity detected at pH 7.0-7.5. OsCPK11 activity was not affected by $Mg^{2+}$, $Mn^{2+}$, or $Na^+$ in the presence of a high level of $Ca^{2+}$. Autophosphorylation of OsCPK11 decreased $Ca^{2+}$ sensitivity of OsCPK11. An anti-OsCPK11 rabbit antibody recognized 95.5 kD of GST-OsCPK11, as shown by an immunoblot analysis. These results shed light on the function of OsCPK11 in $Ca^{2+}$-mediated signaling in rice.
Journal of the Korea Academia-Industrial cooperation Society
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v.21
no.1
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pp.665-674
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2020
This study determined the relationship between grit and self-regulated learning in South Korean teens in order to gain an understanding of grit, which is still at the beginning stage of the research, and to obtain implications for Korean learners' self-directed learning. This study also clarified the process by which learners are involved in selecting effective goals for self-directed learning and to provide cognitive efficacy for learners to encourage efforts to achieve their goals. This study was conducted over the period of 4 weeks, and was mainly targeted at the middle-school and high-school boys and girls in Daejeon, Sejong and Cheonan by using 376 collected survey questionnaires. Confirmatory factor analysis, reliability analysis, correlation analysis, structural equation, and Sobel-tests were performed using SPSS 23.0 and AMOS 23.0 for the data analysis. The hypothesis test results of this study are as follows. First, the grit of teens had a positive influence on their academic self-efficacy. Second, the grit of teens had a positive influence on their self-directed learning. Third, academic self-efficacy of teens was found to have a positive effect on their self-directed learning. Fourth, academic self-efficacy of the teens had a mediating effect in the relationship between the teens' grit and self-directed learning.
Journal of Korean Home Economics Education Association
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v.17
no.2
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pp.221-238
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2005
This study analyzed the contents of the milk-related nutrition education currently found in elementary and secondary school textbooks. An attempt was made to develop the basic data needed to in the future provide students with pertinent in formation regarding the nutritional attributes of milk, as well as the desired consumption behavior, within the school education system. To attain the objectives of this study, the researcher analyzed the contents of the milk-related nutrition education described in elementary and secondary school textbooks(1st-10th grades). Based on the results of this analysis, measures were developed to organize the contents of the milk-related nutrition education that should be taught within the school education system. At the elementary school level, milk-related nutrition education was included in the textbooks for the integrated curriculum for the lower grades, as well as in the science, practical arts, and physical education textbooks for every grade, except the End and the 6th. The practical arts textbook, which contained basic knowledge related to the nutritional attributes of milk and the proper method in which to intake milk, was found to be the one which dealt with milk-related nutrition education in the most detail. At the secondary school level. milk-related nutrition education was included in the 7th-10th grade textbooks for the science, technology and home economics, and physical education courses. In this instance. the technology and home economics textbooks were the ones which were found to contain the most milk-related nutrition education covering such aspects as the nutritional attributes of milk, the special characteristics of milk as a food. how to select and store milk. as well as how to use milk as part of a balanced diet in everyday life. However, as was the case at the elementary school levet the repetitious nature of the milk-related contents found in the textbooks for various school subjects and at different school levels, as well as the inefficient hierarchical structure in which the knowledge is presented, were identified as key problems. There is a need to establish the appropriate milk-related nutrition education for each school level. The need to develop education programs, which could be linked to the school subjects and special milk programs, was also emphasized.
The purpose of this study was to investigate science integrated process skill of the students in science education center for the gifted. In order to do this, 'free-response test for the assessment of science process skills' developed by Yu-Hyang Kim(2013) was administered to 102 students(15 in elementary school science class, 58 in middle school science class I, and 29 in middle school science class II) who attend the program of science education center for the gifted in C university. The assessment tool measured 9 skills ; formulating inquiry questions, recognizing variables, formulating hypotheses, designing experiment, transforming data, interpreting data, drawing conclusions, formulating generalizations, and evaluating the designed experiments. As a result, the students in science education center for the gifted had relatively high scores in the area of 'formulating hypotheses' and 'recognizing variables', but they had relatively low scores in the area of 'transforming data', 'interpreting data', and 'evaluating the designed experiments'. The 2 items' percentage of correct answers were below 40% ; one is about a drawing a line graph in 'transforming data', and the other requires finding improvements of the experimental design in 'evaluation'. There was no significant difference between boys' scores and girls's one, and between the scores of students in the field of biology and those of students in the other fields(physics, chemistry, and earth science) in science integrated process skills. And there was significant difference according to the periods receiving the gifted education in 'formulating generalizations'. The teaching and learning has to focus on improving science integrated process skills in the program of science education center for the gifted and teaching and learning materials needs to be developed.
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