Journal of The Korean Association For Science Education
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v.38
no.2
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pp.249-257
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2018
The purpose of this study was to analyze the knowledge and ability levels of middle school students in four areas: conceptual understanding, argument construction, justification schemes, and use of scientific knowledge in a causal explanation for a genetic phenomenon. A group of 162 middle school students who have taken a class titled Genetics and Evolution participated in the study. Each student answered-and justified the answer to-one question pertaining to genetics. Ability levels were rated from level 0 to level 4, with 4 being the top rating. Students were required to choose one of two competing arguments to explain whether green seed pimps and red seed pimps of the same size and shape were the same species or not. Analyzing conceptual understanding: 47% of the respondents provided the correct answer. Analyzing their abilities for constructing an argument: 75% of the students with the correct answer and 42% of the students with the incorrect answer were evaluated to be at ability level 3 or 4 for argument construction. Analyzing the students' justification schemes: "Scientific idea" and "Analogy" were the most frequently used schemes. Analyzing their use of scientific knowledge: of the students who selected the scientific idea justification scheme, 36% used the correct scientific knowledge, but the remainder used inaccurate or nonspecific scientific knowledge. These findings provide implication for encouraging argumentative writing explaining scientific phenomena regarding epistemic practice.
Kim, Pyong-Soo;Kim, Kong;Seo, Seok-Yun;Kim, Yeong-Nam
Korean Security Journal
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no.31
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pp.47-71
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2012
This study is to analyse the effect on self-effectiveness of a course decision of duty stress in the college students related to guard major study. For this, the college students related to guard major study in Gwang-ju and Jeonnam region were selected as a universe at April 2011. And a sampling was practiced as a random sample. A question investigation was used in a entry method of self-estimation. Furthermore a total of 171 person(85.5%) was used as final analysis data. The collected data were employed in a statistics program of SPSS for win version 17.0. And used in a way of Pearson's interrelation analysis and Multiple Regression Analysis. The conclusion was as follows. Firstly, family surroundings stress and studies stress of duty stress affected beneficially statistically a goal selection of self-effectiveness of course decision. Family surroundings influenced upon it positively. And studies effected on it negatively. Secondly, all factors of duty stress didn't affect beneficially statistically the work information of self-effectiveness of course decision. Thirdly, school surroundings stress of duty stress influenced upon positively statistically the problem solution of self-effectiveness of course decision. Fourthly, personality stress and duty anxiety stress affected beneficially statistically the future plan of self-effectiveness of course decision. Personality influenced upon it negatively and duty anxiety affected it positively.
This study aims to explore 'bluffing', one of the most important topics in order to ensure the objectivity, validity, reliability of scoring of constructed-response items. The author identifies the conception of bluffing, and classifies major types of bluffing on the basis of previous studies on the theoretical level. Next, the author analyzes empirically the bluffing strategies and types of learners on key terms of Korean Geography subject. Compared with the existing research reports, the result of this study shows a significantly lower average bluffing score. On the other hand, it is consistent in results of previous studies reported that average bluffing score is similar between genders and that those students who got highest grades did least bluffing. Actually bluffing types are classified into four categories: 'repeating the question' type, 'depending on a well-known or existing knowledge' type, 'applying some basic concepts regardless of understanding' type, and 'inducing scorer's basic beliefs' type. Some comments and suggestions are as follows. First, it is necessary to continue researches of the relations among bluffing and age, gender, grade, intelligence and learning styles. Second, it is required for scorers who score constructed-response items to develop and supply the scoring guide including analysis contents of bluffing types and cases, and increase opportunity for training. Third, we need to inquire the domain-specific bluffing types in geography subject based on the generalizable sample size.
Journal of The Korean Association For Science Education
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v.32
no.4
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pp.671-685
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2012
In this study, we developed an analogical experimental design strategy emphasizing understanding and checking stages and applied it to four groups consisting of 7th grade science-gifted students. We classified the patterns of experimental design processes and analyzed the verbal interactions among the science-gifted students at the levels of turn and interaction unit. The analyses of the results reveled that three groups were relevant to reinitiated motion and the other to backward-divergent motion. In the analyses of turn and interaction unit, the frequencies of the statements related to the task were high, especially 'making suggestion' and 'elaborated symmetrical interaction'. The analyses for each stage of strategy indicated that the frequencies of 'explain', 'question', and 'cumulative interaction' at understanding stage were high. At designing stage, the frequencies of 'making suggestion', 'cumulative interaction', and 'disputative interaction' were found to be high. At checking stage, 'making suggestion', 'receiving opinion', and 'disputative interaction' were high. In the comparison of the patterns, the qualitative differences among interaction unit were found at all the stages, whereas there were differences only between designing and checking stages in the turn cases. Educational implications of these findings are discussed.
This study aims to examine the level of fear and the influential factors affecting their dental fear and to utilize the result as the basic materials in the dental management. The subjects were the students from a middle school located in Cheongju-City. The school was selected by convenient sampling and self-answered questionnaire was filled in by the students for a week from December 19th 2011. The survey result showed that 77 male students and 169 female students(total 246 students) answered 'yes' to the question 'Have you ever felt fear when you visited a dentist?' among 475 students who had visited a dentist in the past. The distribution of responses in each category of fear was examined by frequency analysis. The study results showed significant difference in the item of 'causing irritation during the dental treatments' between male students and female students (p<0.05). Converting the level of fear into scores after marking the answers, the score of male students was 52.0 points and the score of female students was 58.53 showing the score of female students was significantly higher in statistics. Moreover, the fear score of female students for the category 'causing irritation during the dental treatments' was also significantly higher in statistics(p<0.05). Therefore, these results should be reflected to the dental care environments in order for the adolescent to reduce the dental anxiety and fear.
The purpose of this study was closely to explore the guidance experiences of senior elementary teachers who have had over 30 years of teaching experiences in elementary school based on interpretive(or hermeneutic) inquiry. The entry research question was 'What are the guidance experiences of senior elementary teachers like?' Seven senior elementary teachers working for O elementary School in G city participated in this study voluntarily. Each participant was interviewed twice in a consecutive manner. 14 periods of interview were completed all together and each period took about 40-60 minutes. In conclusion, this study conceptualized the guidance experiences of the senior elementary teachers(participants) as follows: First, the concepts of guidance held by the participants were conceptualized as 1) supporting and caring activity helping students to lead joyful school life, 2) assisting activity helping students to grow on good basic life habits, 3) character building activity helping students to lead integrative growth. Second, the fields and contents of guidance held by the participants were conceptualized as basic life habits, manners, and health & safety. Interestingly, these concepts were evolved in connection with their personal, practical teaching experiences rather than in-service teacher education. Third, the guidance methods frequently used by the participants were co-work with parents, exemplary storytelling, counselling, and praise. The participants applied these methods differently according to the grade, individual difference, and school curriculum policy to some degree. Fourth, the participants have experienced a lot of struggles with students, teachers, and parents in doing their guidance practices throughout the whole teaching career. Their guidance experiences commonly shifted from more teacher-centered or authoritative to more student-centered or relational way as their teaching years accumulated. Interestingly, all the participants more or less lived as lifelong learners to create their own right space as senior teachers in today's competitive and challenging landscape. This study strongly suggests that responsible teacher education can playa great role of enabling senior teachers to cope with guidance issues successfully. Compared with the speedy social change, the teacher education in Korea had been so authoritative, provider-based, subject-based until recently and it have not met the needs and wants of the elementary teachers in field. This trend has significantly hindered them from catching up with the needs of the speedy social change in terms of contemporary guidance issues. This study is limited in that the data is solely collected based on interview. So, an observational research is strongly suggested in order to uncover the situated understanding of the guidance experiences of elementary senior teachers.
Park, Jang Kyung;Sung, Hyun Kyung;Shin, Seon Mi;Go, Ho-Yeon;Kim, Dong Su;Park, Seung Chan;Park, Jeong-Su
Journal of Society of Preventive Korean Medicine
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v.22
no.2
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pp.65-75
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2018
Objectives : This study aimed to investigate the satisfaction of Korean medicine doctors (KMD) who conducted Korean medicine school doctor program (KMSD). We are going to use study as a foundation for activation KMSD program. Methods : Seoul Korean medicine association and Seoul metropolitan office of education conducted KMSD program for 22 schools in 2017. The program included health lessons, health counseling, and health care programs. After program finished, we carried out self-administered questionnaire survey to KMD who participated in KMSD program and we analysed it. Results : A total of 45 people answered the questionnaire, and 56% of respondents answered as 'Good progress' and 44% answered as 'Bad progress'. The reason for good progress was 'Good cooperation of School' (47.4%). 'Personalized program for participant' (23.68%), 'Support of Seoul Korean Medicine Association' (21.1%). The reason for 'Bad progress' was 'Bad cooperation of School' (37.8%), 'Lack of personal circumstances' (32.4%), 'Lack of motivation' (16.2%). The advantage of KMSD program included 'It is helpful for positive perception of the Korean medicine' and 'Korean medicine can contribute to improving public health, which is the health of schools' was 25%, 'It is helpful in expanding the services of Korean medicines to children and adolescents' was 17.6%, 'Highly satisfaction in participations' was 15.7%. The question of prerequisites for activation KMSD Program included 'Active cooperation of school' was 35.05%, 'Expand teaching materials and programs' was 20.62%, 'Support of Seoul Korean Medicine Association' was 15.46%. Conclusions : We will organize and activate programs of KMSD program and conduct program based on harmony of local community and school support, research of school health program. The program will contribute to improve student health and develop Korean health support program.
Journal of The Korean Association For Science Education
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v.20
no.4
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pp.680-692
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2000
An assessment instrument dealing with secondary students' views on the nature of science was developed in this study. The features in aspects of the nature of science are generally accepted as characterizing the scientific enterprise and we have focused on are: 1) the purposes of the scientific enterprise, 2) the nature of scientific enquiry, 3) the nature and status of scientific knowledge, and 4) the nature and functioning of the scientific community. The questionnaire is made of three sections; that is, "Scientific Question", "Experiment", and "Belief". The Scientific Questions probe was designed to examine the ways in which learners mark out science as a particular domain, and particularly the types of questions that they think are open to scientific investigation. The Experiment probe was designed to throw light on the ways in which learners may think about theories and their relationship to evidence in a range of contexts. A related aim concerns the sorts of activities that learners consider to be experiments, and their reasons for this. The Belief probe was designed to see whether students are able to articulate the grounds for their acceptance of a proposition and, if they are, to explore the nature of these grounds. The reliability of the instrument developed in this study was found to be 0.86.
Journal of the Korean Data and Information Science Society
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v.22
no.4
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pp.785-794
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2011
The population of internet users are rapidly increasing and the interest of the internet survey is also increasing. Recent years has seen a transition from traditional modes of data collection into internet survey. Some surveys are administered with mixed modes of traditional data collection methods and internet survey, and some surveys are conducted through internet only instead of traditional modes, such as telephone survey, postal survey, face-to-face interviews and so on. However, one of most crucial parts of a survey is the reliability of the collected data and internet survey is no exemption. Changwon National University has been annually conducting a survey of new students and transfer students with almost same contents of questionnaire. The survey is a longitudinal survey and it had been administered by paper-pencil surveys until 2009. In 2010 the survey was administered through internet. Every students has to login with student ID number and the last 7-digit of national identity registration number, and complete the 2010 survey before registration their courses. If they leave any question without being answered, then could not move to the registration site for courses. This study explores the distortion of responses using the new students survey of Changwon National University, which could occur when the survey responses are not confidential. We find that the distortion of responses occurs from the questions with social desirability pressure, pressure of winning favor with the researcher, and pressure of explaining their situations. There are no distortion of responses from the questions which are describing simple opinions or simple facts, for example, the place they plan to live while in school.
Journal of The Korean Association For Science Education
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v.33
no.2
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pp.328-344
/
2013
This study investigated the types of elementary science-gifted students' coping strategies and teachers' desired teaching strategies in anomalous situations. Their epistemological beliefs about science were then analyzed on the bases of the types. To do this, 5th and 6th year science-gifted students (N=72) were asked to respond to an open-ended question with some of them being interviewed deeply. The analyses of the results indicated seven types of coping strategies in anomalous situations and were identified as follows: Abandoning, asking a teacher for help, trying the experiment again with same methods, trying the experiments again with different methods, trying the experiment again after actively analyzing the causes, recognizing the experimental results, and explaining the experimental results. Seven types of teachers' desired teaching strategies emerged and were also identified as follows: Encouraging, providing successful experimental results, explaining, providing the opportunity for trying the experiment again with same methods, providing the opportunity for trying the experiments again with different methods, providing the opportunity and help for trying the experiment again after actively analyzing the causes, and providing the opportunity and help for explaining the experimental results. The fourteen types were grouped again into four categories such as 'transferring facts', 'constructing facts', 'transferring meanings', and 'constructing meanings' on the bases of the epistemological beliefs toward knowledge and the epistemological beliefs toward relation. Educational implications of these findings are discussed.
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