• Journal of The Korean Association For Science Education
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• v.40 no.1
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• pp.51-60
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• 2020

In this study, we propose research methods to explore the nature of earth science by applying the phenomenological approach and NOS-family resemblance approach based on literature review. The phenomenological approach exploring the nature of earth science is a method of collecting, analyzing and synthesizing multifaceted features of earth science from intuitive sensory phenomena without prejudice. As a way of exploring the nature of earth science from a phenomenological point of view, we propose the NOS-family resemblance approach to the NOS. This approach provides a comprehensive explanation of NOS by combining the characteristics shared by different areas of science with distinct differences. Applying this method to exploring the nature of earth science, we can identify both domain-general and domain-specific characteristics that make sub-areas of earth science a 'family.' For example, through the networking of features shared by such sub-areas as geology, atmospheric science, oceanography, astronomy, earth system science, etc., we can extract the family-resemblance characteristics that make these sub-areas a family called earth science. Through these approaches to the nature of earth science, the richness, complexity, and dynamic nature of earth science can be revealed as a whole. In addition, we will be able to grasp the change in the sub-areas that constitute the earth science, which in turn changes the nature of earth science, and to contribute to establishing the status and development system of earth science as a school subject.

• Journal of the Korean Society of Earth Science Education
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• v.16 no.1
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• pp.56-71
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• 2023

The purpose of this study is to explore the role and effectiveness of argumentation structure and the developmental characteristics of science PCK with Earth science preservice teachers who used argumentation structure as a pedagogical reasoning tool. Since teachers demonstrate PCK in a series of pedagogical reasoning processes using argumentation structures, we explored the characteristics of future-oriented family resemblance-PCK shown by preservice science teachers using argumentation structures. At the end of the semester, we conducted in-depth interviews with 15 earth science preservice teachers who had experienced lesson design and teaching practice using the argumentation structure. Qualitative analysis including a semantic network analysis was conducted based on the in-depth interview to analyze the characteristics of preservice teachers' family resemblance-PCK. Results include that preservice teachers organized their classes systematically by applying the argumentation structure, and structured classes by differentiating argumentation elements from facts to conclusions. Regarding the characteristics of each component of the argumentation structure, preservice teachers had difficulty finding warrant, rebuttal, and qualifier. The area of PCK most affected by the argumentation structure is the science teaching practice, and preservice teachers emphasized the selection of a instructional model suitable for lesson content, the use of various teaching methods and inquiry activities to persuade lesson content, and developing of data literacy and digital competency. Discussed in the conclusion are the potential and usability of argument structure as a pedagogical reasoning tool, the possibility of developing science inquiry and reasoning competency of secondary school students who experience science classes using argumentation structure, and the need for developing a teacher education protocol using argumentation structure as a pedagogical reasoning tool.

• Journal of the Korean Data and Information Science Society
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• v.25 no.5
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• pp.1025-1038
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• 2014

Linear mixed model has often been utilized for genetic association analysis with family-based samples. The correlation matrix for family-based samples is constructed with kinship coefficient and assumes that parental phenotypes are independent and the amount of correlations between parent and offspring is same as that of correlations between siblings. However, for instance, there are positive correlations between parental heights, which indicates that the assumption for correlation matrix is often violated. The statistical validity and power are affected by the appropriateness of assumed variance covariance matrix, and in this thesis, we provide the linear mixed model with flexible variance covariance matrix. Our results show that the proposed method is usually more efficient than existing approaches, and its application to genome-wide association study of body mass index illustrates the practical value in real data analysis.

• Korean Journal of Cognitive Science
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• v.32 no.2
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• pp.55-73
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• 2021

Psychological essentialism states that people believe some categories to have hidden and defining essential features which cause other features of the category (Gelman, 2003; Hirschfeld, 1996; Medin & Ortony, 1989). Essentialist belief on categories questions the Roschian argument (Rosch, 1973, 1978) that categories merely consist of clusters of correlated features. Unlike family resemblance categories, essentialized categories are likely to have clear between-category boundaries and high within-category coherence (Gelman, 2003; Prentice & Miller, 2007). Two experiments were conducted to test the effects of essentialist belief on category representation (i.e., between-category boundary, within-category coherence). Participants learned family resemblance and essentialized categories in their assigned conditions and then performed categorization task (Expt. 1) and frequency estimation task of category exemplars (Expt. 2). The results showed, in essentialized categories, both boundary intensification and greater category coherence. Theses results are likely to have arisen due to increased cue and category validity in essentialized categories and suggest that essentialist belief influences macroscopic representation of category structure.

• Journal of The Korean Association For Science Education
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• v.40 no.4
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• pp.359-374
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• 2020

This study is a complex type consisting of survey study and self-study. The former investigated elementary teachers' epistemological beliefs on convergence knowledge and teaching. As a representative of the result of survey study I, as a teacher as well as a researcher, was the participant of the self-study, which investigated my epistemological belief on convergence knowledge and teaching and my execution of convergent science teaching based on family resemblance of mathematics, science, and physical education. A set of open-ended written questionnaires was administered to 28 elementary teachers. Participating teachers considered convergent teaching as discipline-using or multi-disciplinary teaching. They also have epistemological beliefs in which they conceived convergence knowledge as aggregation of diverse disciplinary knowledge and students could get it through their own problem solving processes. As a teacher and researcher I have similar epistemological belief as the other teachers. During the self-study, I tried to apply convergence knowledge system based on the family resemblance analysis among math, science, and PE to my teaching. Inter-disciplinary approach to convergence teaching was not easy for me to conduct. Mathematical units, ratio and rate were linked to science concept of velocity so that it was effective to converge two disciplines. Moreover PE offered specific context where the concepts of math and science were connected convergently so that PE facilitated inter-disciplinary convergent teaching. The gaps between my epistemological belief and inter-disciplinary convergence knowledge based on family resemblance and the cases of how to bridge the gap by my experience were discussed.

• Korean Journal of Logic
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• v.9 no.2
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• pp.59-98
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• 2006

유아론에 대한 비트겐슈타인의 철학적 투쟁을 조명하는 것은 그의 전체 철학의 핵심을 조명하는 것에 상당한다. 요컨대 유아론의 문제는 언어놀이, 놀이와 언어의 유사성, 가족 유사성, 규칙 따르기, 규칙 따르기의 역설, 사적 언어 논변, 뜻함, 봄과 -로서 봄, 모순, 논리적 필연성, 함 또는 실천과 같은 후기 비트겐슈타인의 핵심 개념이나 주제와 얽혀 있다. 이를 보이기 위해서 이 글에서는 유아론의 개념, 유아론에 대한 청년 비트겐슈타인의 생각, 후기 비트겐슈타인의 진단을 논의하게 될 것이다. 이러한 과정에서 우리는 비트겐슈타인이 유아론(넓게는 데카르트주의, 영국경험론, 현상학)에서 실천으로 나아가는 패러다임의 전환을 수행하고 있다는 것을 확인하게 될 것이다. 이러한 논의가 진행되면 우리는 유아론에 대한 후기 비트겐슈타인의 비판과 '사적 언어'가 어떻게 연결되는지 자연스럽게 문제 삼게 된다. 많은 학자들이 주장하는 바에 따르면, 비트겐슈타인은 사적 언어가 불가능하다고 간주했다. 그러나 나는 이러한 주장은 비트겐슈타인이 처한 패러다임의 전환 상황을 간과하는 처사로서 설득력 없는 것임을 보이고자 한다.

• The Journal of the Convergence on Culture Technology
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• v.8 no.6
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• pp.23-30
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• 2022

This study is an exploratory study to examine the relation between parents and children's smartphone usage time. The data from the 11th Korea Media Panel Survey conducted by the Korea Information Society Development Institute was used for empirical analysis. The findings revealed that parents' smartphone usage time and children's smartphone usage time are positively correlated, indicating that their smartphone use patterns share similarities as members of a family system. This study lays the foundation for future work to explain individual media use through family and media use environment.

• Korean Journal of Social Welfare
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• v.56 no.2
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• pp.285-310
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• 2004

The major purpose of this study is to examine effectiveness of an intervention program which aims at education/training caregivers of the dementia and/or stroke elderly. This program was conducted at group level. Participants of this program were the primary caregivers who have taken care of the elderly with dementia and/or stroke. To test the effectiveness of the caregiver education/training program, this study employed an quasi-experimental design: to compare pretest score with posttest ones for the same participants. Total forty two primary caregivers have completed the program. Seventeen caregivers were in experimental group, whereas twenty five ones belonged to control group. Our data suggest that, for the primary caregivers, subjective quality of life was more important than cargiving burden. Subjective quality of life among the caregivers significantly improved, after completing the program. This result suggests that a short-term intervention program at group level is not effective to reduce caregiving burden because an infra structure of community resources, to which the caregivers and their family access, did not remain at sufficient level. However, participants have showed improved mutual solidarity, and they have exposed to wider spectrum of a variety of information. As a result, they have perceived that the level of subjective quality of life has positively changed. Additional factors have influenced on determining the quality of life among the caregivers. The caregivers, whose demented elderly showed lower level of ADL and IADL, or who have experienced the short period of caregiving, were more likely to belong to higher level of quality of life. The quality of life among the caregivers were even more improved in the following group: being young, and highly educated, man. One of the contributions from this study is that we have found caregiver's characteristics, which need an intervention most. In addition, our study implies that specific contents of the caregivers' education/training program should be conducted based on each family's unique characteristics.

• The Journal of the Korea Contents Association
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• v.12 no.7
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• pp.65-75
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• 2012

Throughout the agraian society, industrial society, information society, and the knowledge-based society, the word father has become the representation of the law, oder, control, protection, and discipline. This study, with traditional fairy tale "Le petit chaperon rouge", aim to analyze the child readers a notion familly around 'me' and conceiving the father as the unit of the institution; also, in the Korean film , cinema audiences feeling keenly the necessity of the conventional family values and looking for the poster of principal agent of law and order. Generally the father is protector of 'me' and simutaneously, is incorporal being; even if he is inessential, he has, only by the name, great influence with people(law, order, control, discipline, are operating only with the name as the father God does). Our study will show how the signifier father operates and what similarity is between the film and the traditional fairy tale. A father is recognized as a tyrant or criminal, but a man is always realized to undertake a duty of resisting unjust powers and protecting nonperson. Those opposing structures was well represented in epic works such as"Le petit chaperon rouge" and . The father described in children's tale appeared as a symbol of desire and oppression, therefore youngster readers realized around 'Me' the concept of family through the absence of a father and received the father as a unit in the system. A father in a film has been described as a protector of nonperson, and a main part in the institution and order of traditional family. In both genre, the psychological signifiant of father still has been shown based on the symbol of father as a social institution.

• Korea journal of population studies
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• v.33 no.1
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• pp.133-160
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• 2010

This study aims to analyze marital satisfaction over the family life course and to find its determinants in Korea and Japan. The data for this study came from nationwide representative sample surveys on family in these two countries including 5,308 Korean and 4,920 Japanese men and women living with their spouses. In order to see the cultural difference and similarity in marital relations, the effects of education, income, employment, marriage gradients (normative patterns between the spouses), family stress, and quality of conjugal interactions on Korean and Japanese couples' marital satisfaction were examined. It was found that the marital satisfaction showed a U-shape pattern for both Korean and Japanese couples. In both countries husbands tend to have higher marital satisfaction than wives over the entire life course. The most important determinants of Korean and Japanese couples' marital satisfaction are good qualities of conjugal interactions including deep trust and concerns for spouse and sex life satisfaction. For Korean couples good conjugal interactions is better predictor of marital satisfaction than sex life, while for Japanese couples sex life is more important determinant of marital satisfaction.