• Journal of the Korean Home Economics Association
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• v.32 no.4
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• pp.73-83
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• 1994

This study tries to develop the typology of relative costs-benefits perception about the transition to parenthood and explore the group differences in the socio-demographic variables, family context variables, and social support level. For these purpose data was gathered from 342 fathers who experienced the transition to parenthood within past three years. The major findings were as follow. 1. The level of men's perceived benefits about the transition to parenthood was higher than the level of costs. 2. The typology of relative costs-benefits perception about the transition to parenthood were , , and . The discriminant variables among 4 groups were marital satisfaction. birth planning educational attainment, and kinship's emotional support.

• Korean Journal of Human Ecology
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• v.23 no.2
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• pp.251-268
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• 2014

Applying the data from 64 single(26 men and 38 women) and 71 childless married men and women(37 men and 34 women) aged between 30 and 45, this study is to understand their future fertility intention. For this purpose, ideal and real number of children that participants plan to have were compared using paired t-test. Second, demographic variables(sex, age, marital status), child care related variables(thoughts about caring children, child care value), individual characteristics(gender role attitude, relation orientation) and social context variables(perceived economic condition, recognition of low fertility policies) were included in a stepwise regression model to explain expected number of children participants plan to have in the future. Results showed that ideal number of children participants wish to have was significantly higher than real number of children they expect to have in the Korean society. The stepwise regression model explained 35% of the variance of the dependent variable. Among four types of variables, child care related variables most powerfully explained expected number of children study participants plan to have in the future. Finally, age, child care value, gender role attitude, and relation orientation significantly explained expected number of children in the future.

• The Journal of Asian Finance, Economics and Business
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• v.8 no.5
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• pp.987-1000
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• 2021

The concept of 'Employer branding' (EB) - one effective and sustainable strategy to attract and retain talent - has received a lot of attention from researchers and business managers. This concept becomes more meaningful when the 'war of talent' takes place in an extremely fierce manner in Vietnam as well as around the world. However, this concept is rather new; as a result, many points related to 'EB' scales should be improved, especially in Vietnamese context. Therefore, this study focuses on developing and confirming the EB scale in the context of Vietnam. Based on EB theory, this research applies the mixed research method: qualitative methods (expert interview and group discussion) and quantitative method (questionnaire survey of 937 respondents). EB is demonstrated to be a quadratic concept, consisting of the following 10 dimensions: Corporate social responsibility (CSR), Promotion (PRO), Work-Life Balance Satisfaction (WLSA), Education (EDU), Behavior-based Family interference with work (WLBE), Travel opportunities (TRA), Time-based work interference with family (WLTI), Teamwork (GRO), Supporting (SUP), and Strain-based family interference with work (WLST) with 58 observed variables. Based on the survey towards the employees in enterprises and organizations in Vietnam, the analysis results affirm that this scale ensures efficiency, reliability, unidirectionality and convergent values.

• Journal of Korean Elementary Science Education
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• v.38 no.2
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• pp.275-286
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• 2019

The purpose of this study is to investigate the features of inquiry activities using technology in the 2015 revised elementary science digital textbooks. For this, we analyzed the features of inquiry context and inquiry method presented in inquiry activities using three kinds of technology: Virtual experiment, virtual reality and augmented reality. As a result, firstly, the most common types of 77 inquiry activities were realistic type which shows the phenomenon actually and vividly as possible and realistic-abstract type which shows the phenomena with the abstract concepts. Second, the ways of using three technologies were different depending on the processes of inquiry and the sub-domains of science. For example, virtual experiment technologies were mostly used in the contents of physics and chemistry with the inquiry context of realistic-abstract type for investigating the relationship between variables of experiments and describing the phenomena mechanically. On the other hand, virtual reality and augmented reality techniques tended to be used more frequently in biology and earth science contents with the inquiry context of realistic type for observing and describing the phenomena. Finally, we discussed educational implications in terms of developing and applying technology-based inquiry activities.

• Communications of Mathematical Education
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• v.37 no.3
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• pp.419-442
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• 2023

This study investigated fifth graders' understanding of variables from a generalized arithmetic and a functional perspectives of early algebra. Specifically, regarding a generalized perspective, we included the property of 1, the commutative property of addition, the associative property of multiplication, and a problem context with indeterminate quantities. Regarding the functional perspective, we covered additive, multiplicative, squaring, and linear relationships. A total of 246 students from 11 schools participated in this study. The results showed that most students could find specific values for variables and understood that equations involving variables could be rewritten using different symbols. However, they struggled to generalize problem situations involving indeterminate quantities to equations with variables. They also tended to think that variables used in representing the property of 1 and the commutative property of addition could only be natural numbers, and about 25% of the students thought that variables were fixed to a single number. Based on these findings, this paper suggests implications for elementary school students' understanding and teaching of variables.

• Korean Management Science Review
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• v.13 no.1
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• pp.71-95
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• 1996

Many researchers have studied the theme on CASE technology. However, there are no many researches which lightened the diffusion of CASE technology and organizational change. The purpose of this study is to investigate the factors that influence on the diffusion of CASE technology and the way how IS organization changes as a result of the diffusion. We exploited a case study research as a methodology. We selected five software development firms which possessed the leading IS technology abilities as the case companies. We realized that the diffusion of CASE technology proceeded under the three context variables - managerial context of information systems, the intent and behavior of key players and implementation strategy of organization - to enhance the performance of information systems. The contribution of this study is to clarify the change of IS organization as a result of CASE technology diffusion. This study has the limitation that tried to analyze the organizational change only in a direction.

• International Journal of Advanced Culture Technology
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• v.8 no.3
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• pp.18-27
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• 2020

This study is to corroborate the relationship between organizational size and performance in the Korean government context. Hence, this study aims to advance research on the relationship between organization size and performance by considering mediating variable: organizational goal ambiguity, which helps understand how organizational size affects organizational goal ambiguity in government and the organizational goal ambiguity has an influence on organizational performance. Bases on theoretical review, we assume that there is the inverted U-shaped relationship between the number of employees and budget size and organizational performance. From the results of path analysis, it shows that organizational size in the Korean government has a negative correlation, "a linear relationship", with organizational performance. Budget size has mediating variables, but the number of employees not. We try to suggest implications on the relationship between organizational size and performance in terms of theoretical perspectives in the context of the Korean government.

• Proceedings of the Korean Information Science Society Conference
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• 2004.10a
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• pp.115-117
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• 2004

인간과 인간 사이에 컨텍스트의 역할이 중요한 것처럼 기계가 컨텍스트를 인식할 수 있는 능력을 갖추는 것은 중요하다. 특히 지능적인 서비스를 제공하기 위해서는 고수준 컨텍스트를 추출하는 것이 필요하고, 최근 베이지안 네트워크를 이용해 컨텍스트를 추출하려는 연구가 많이 있었다. 그러나 대부분은 단순한 컨텍스트를 추출하는 연구들이고, 상황이나 사용자에 따라 다른 특성을 보이는 경우에 대한 처리는 하지 못하고 있다. 본 논문은 퍼지 소속 함수를 통해 각 센서에서 오는 정보를 전 처리하고, 이를 베이지안 네트워크를 이용해 고수준 컨텍스트로 추출하는 방법을 제안한다. 특히 여러 개의 퍼지 노드가 있을 경우 퍼지 소속값의 곱을 사용하여 베이지안 추론에 적용하였다. 각 센서의 정보를 처리하는 퍼지 소속 함수는 사용자가 쉽게 설계할 수 있고, 컨텍스트 추출모듈과 별개로 설계가 가능하기 때문에 베이지안 네트워크의 유연하고 적응적인 특성을 유지하면서 개인화가 가능하다. 제안한 방법의 유용성을 보이기 위해 실제 세계의 문제를 모델링한 베이지안 네트워크의 예를 보이고 이를 분석한다.

• Journal of Information Technology Services
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• v.14 no.4
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• pp.199-220
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• 2015

Recently, many internet users are using mobile music service. In this paper, we aim to examine the effects of system quality factors and relation quality factors on continuance intention in the context of mobile music service. In order to analyze the antecedents of continuance intention, we introduced independent variables such as ease of use, stability, trust, involvement and unity. We also consider customer value and customer satisfaction as mediators. For empirical analysis, we surveyed 240 users of mobile music service. We conduct PLS (Partial Least Square) analysis for SEM (Structural Equation Modeling). As a result, 8 of proposed 12 hypotheses were accepted. Especially, system quality, trust and unity show positive influence on customer satisfaction significantly. Involvement and unity are positively related to customer value. Customer value and customer satisfaction show positive influence on continuance intention significantly. The results of this research can be useful guidelines for mobile music service users and providers.

• Communications for Statistical Applications and Methods
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• v.26 no.5
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• pp.519-526
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• 2019

Response dimension reduction in a sufficient dimension reduction (SDR) context has been widely ignored until Yoo and Cook (Computational Statistics and Data Analysis, 53, 334-343, 2008) founded theories for it and developed an estimation approach. Recent research in SDR shows that a semi-parametric approach can outperform conventional non-parametric SDR methods. Yoo (Statistics: A Journal of Theoretical and Applied Statistics, 52, 409-425, 2018) developed a semi-parametric approach for response reduction in Yoo and Cook (2008) context, and Yoo (Journal of the Korean Statistical Society, 2019) completes the semi-parametric approach by proposing an unstructured method. This paper theoretically discusses and provides insightful remarks on three versions of semi-parametric approaches that can be useful for statistical practitioners. It is also possible to avoid numerical instability by presenting the results for an orthogonal transformation of the response variables.