• Journal of the Korea Safety Management & Science
• /
• v.16 no.4
• /
• pp.247-255
• /
• 2014

Safety management is becoming one of the most hot research issues in Korea. We collected the researcher information in two safety related journals of the journal of the Korea safety management & science and the journal of Korean society of safety. Social network analysis was used to analyse the research relationship among the authors in each journal. The degree centrality, the betweenness centrality, the closeness centrality and the proximity prestige centrality on each researcher were calculated to find out most influenced researcher. Biggest research groups in each journal were introduced by clustering technique.

• International Journal of Knowledge Content Development & Technology
• /
• v.7 no.4
• /
• pp.27-50
• /
• 2017

The impact of social networking is varied from good to bad. Online activities have also been categorized into pros and cons of social networking, either as reported as hiding Internet activities among teenagers or killing loneliness among elderly. In terms of relationships, there have been argument over its closeness and quality of an online relationship in Internet settings. Looking at the contradiction in an innovative interaction between classic community communication and social media, there is an unknown scent of the future struggling and challenging both human communication and relationships in the presence of digital culture. This research uses Diffusion of Innovation to study the wide and continuous spread of digital culture in human communication; and, Media Dependency in learning and structuring the cognitive, affective and behavioral effects of social media on each person uses the media in different ways. This research will be using online survey to gain opinions from a social network site as an update of views and reflection of self-awareness to all levels of people. Social media like Facebook (FB) is perceived as a good tool of communication that it is able to bring closeness among the family members. The results show that social media like FB brings positive impact towards family members; it would help to build a better and harmonic society; and, relationships among family members and communication shall be improved and enhanced to the level of a united society.

• Korean Journal of Child Studies
• /
• v.15 no.2
• /
• pp.181-193
• /
• 1994

The purpose of this research was to study differences between reciprocal and unidirectional friendships and to examine evidence on whether certain constituents of friendship can predict the termination of friendships. A total 375 subjects- 190 elementary and 185 middle school children in Pusan- were administered questionnaires two times at an interval of 3 months. Frequency, factor-analysis, t-test, discriminant-analysis, and cross classification analysis were applied for data analysis. The results of the study were as follows: 1) The different constituents of reciprocal and unidirectional friendships were statistically significant. That is, children in reciprocal friendships perceived their relationships more positively, felt closeness more strongly, and evaluated their friend more highly than the children in unidirectional friendships. 2) The termination of reciprocal friendships was predicted by the constituents of friendship. The most powerful predictor was the degree of closeness and the second powerful predictor was the degree of commitment to the relationship and the 3rd powerful predictor was perceived characteristics of the friend. The last powerful predictor was perceived characteristics of the relations. 3) There were no sex differences in the rate of termination of reciprocal relationships. 4) There were age differences in the rate of friendship termination of reciprocal relationships. That is, the rate of termination of reciprocal relationships among older children was higher than among younger children.

• Journal of Families and Better Life
• /
• v.14 no.2
• /
• pp.215-226
• /
• 1996

The purpose of this study is to provide basic data needed to examine the relationship between father and son by investigating correlations among male college students' perceptions of the degree of closeness to their fathers their fathers' paternal role and their own paternal role in the future. The subjects of this study were 474 male college students(sophomores juniors and seniors) from Seoul and Daegu. The questionaire the means of this research is composed of classified questions on related studies and on the researches of reference literatures, Statistical methods applied for data analysis were frequencies mean standard deviation Pearson's correlation. Major findings are as follows; 1) When a son perceives that he is on intimate terms with his father he perceives that his father performs paternal role well. Intimate relation between the father and the son can be considered essential to good performance of paternal role. 2)When a son perceives that he is on intimate terms w th his father he believes that he will perform his own paternal role will in the future. That is the son seems to accept his future paternal role positively as he feels close to his father. 3) Male college students who perceive their fathers' paternal role is properly performed tend to believe they will perform their own paternal role well in the future. Judging from the relation between fathers' performance of paternal role and sons' perception of thir future paternal role we can say good performance of paternal role is important is building up sons' affirmative perception of paternal role.

• The Korean Journal of Community Living Science
• /
• v.22 no.4
• /
• pp.679-688
• /
• 2011

Using data from an ongoing study of 170 children aged 4-6 years in low-income families, this study tests how mothers' parenting behaviors and teacher-child relationship influences the adjustment to child-care centers of young children. The mothers' parenting behaviors were measured by the mothers of surveyed children, while the teacher-child relationship and children's adjustment were rated by teachers. Measurements were recorded from using the Iowa Parent Behavior Inventory(Crase et al. 1987), Student-Teacher Relationship Scale(Pianta et al. 1995) and the Adjustment to Child-care Centers Scale(Lee 2004). The collected data was analyzed by hierarchical regression using the SPSS Program. Results indicate that mothers' parenting behaviors in the low-income families controlled characteristics of children and are positively associated with one area of early school adjustment, learning readiness. In other words, mothers who are more involved and demonstrate supportive parenting, have children with better learning readiness. The teacher-child relationship is strongly related to all areas of children's adjustment. The interaction effect of parenting behaviors and the teacher-child relationship on children's learning readiness is observed. These results highlight the importance of the teacher-child closeness as well as the quality of parenting behaviors during the preschool period for the low-income family in improving early school adjustment.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.16 no.9
• /
• pp.5998-6008
• /
• 2015

The value of social network and entrepreneurial orientation has widely been acknowledged as a critical resource of business success. However, the previous studies did not specify each role and conceptually have examined them as separate antecedents of firm performance. This study develops propositions concerning network capabilities and investigates the moderating effects of network structures (degree centrality, closeness centrality, and betweenness centrality) on the relationship between entrepreneurial orientation and firm performance. This research conducted with a sample of 115 small consulting companies in Korea. The findings indicate that closeness centrality moderates the relationship between proactiveness and performance. Also, the combination of betweenness centrality and proactiveness exerts a positive impact on performance. Accordingly, degree centrality enhances the influence of innovativeness on performance. In particular, betweenness centrality exacerbates the influence of risk-taking on performance against our expectation. Overall, these findings conclude the synergistic effects of network capability and entrepreneurial orientation on firm performance. Finally, practical implications and academic propositions are presented regarding the way firms could most effectively utilize entrepreneurial orientation and network capability to maximize firm performance.

• Korean Journal of Childcare and Education
• /
• v.10 no.5
• /
• pp.25-45
• /
• 2014

This study examined the moderating role of teacher-child relationship on the relation between children's shyness and peer victimization. Participants were 200 children(97 boys, 103 girls; recruited from classes with 5-6 year olds) and their kindergarten teachers. The teachers completed rating scales to measure the children's peer victimization, shyness and teacher-child relationship. The collected data were analyzed using descriptive statistics, t-tests, correlations, and hierarchical multiple regressions. Boys and girls were analyzed separately. Results showed that children's shyness had a positive relation to their peer victimization. Teacher-child relationship significantly related to children's peer victimization. Hierarchical regression analysis indicated that the interaction of boys' shyness and teacher-child closeness predicted boys' peer victimization. Boys' shyness, whose teachers demonstrated the lowest level of teacher-child closeness, was significantly associated with their peer victimization. Boys' shyness had a significant relation to their peer victimization, especially for the highest level of teacher-child conflictual relationship. Results are discussed in terms of the role of teachers to shy boys' peer victimization.

• Journal of Intelligence and Information Systems
• /
• v.18 no.3
• /
• pp.35-51
• /
• 2012

Cloud computing is internet-based computing where computing resources are offered over the Internet as scalable and on-demand services. In particular, in case a number of various cloud services emerge in accordance with development of internet and mobile technology, to select and provide services with which service users satisfy is one of the important issues. Most of previous works show the limitation in the degree of user satisfaction because they are based on so called concept similarity in relation to user requirements or are lack of versatility of user preferences. This paper presents cloud service selection reasoning which can be applied to the general cloud service environments including a variety of computing resource services, not limited to web services. In relation to the service environments, there are two kinds of services: atomic service and composite service. An atomic service consists of service attributes which represent the characteristics of service such as functionality, performance, or specification. A composite service can be created by composition of atomic services and other composite services. Therefore, a composite service inherits attributes of component services. On the other hand, the main participants in providing with cloud services are service users, service suppliers, and service operators. Service suppliers can register services autonomously or in accordance with the strategic collaboration with service operators. Service users submit request queries including service name and requirements to the service management system. The service management system consists of a query processor for processing user queries, a registration manager for service registration, and a selection engine for service selection reasoning. In order to enhance the degree of user satisfaction, our reasoning stands on basis of the degree of conformance to user requirements of service attributes in terms of functionality, performance, and specification of service attributes, instead of concept similarity as in ontology-based reasoning. For this we introduce so called a service attribute graph (SAG) which is generated by considering the inclusion relationship among instances of a service attribute from several perspectives like functionality, performance, and specification. Hence, SAG is a directed graph which shows the inclusion relationships among attribute instances. Since the degree of conformance is very close to the inclusion relationship, we can say the acceptability of services depends on the closeness of inclusion relationship among corresponding attribute instances. That is, the high closeness implies the high acceptability because the degree of closeness reflects the degree of conformance among attributes instances. The degree of closeness is proportional to the path length between two vertex in SAG. The shorter path length means more close inclusion relationship than longer path length, which implies the higher degree of conformance. In addition to acceptability, in this paper, other user preferences such as priority for attributes and mandatary options are reflected for the variety of user requirements. Furthermore, to consider various types of attribute like character, number, and boolean also helps to support the variety of user requirements. Finally, according to service value to price cloud services are rated and recommended to users. One of the significances of this paper is the first try to present a graph-based selection reasoning unlike other works, while considering various user preferences in relation with service attributes.

• Management & Information Systems Review
• /
• v.35 no.3
• /
• pp.115-130
• /
• 2016

This study aims to identify which social information have significant influence on the improvement of recommendation trust and how these effects can be different according to the product involvement level. Based on the relevant literature reviews, this study posits four characteristics of recommendation trust, which are closeness, similarity, sincerity, and reputation, and established a research model for the relationship between social information and recommendation trust. And we found a moderating effect of product involvement on the relationship between social information and recommendation trust. 205 trust relationships(links) from 55 respondents of Google Docs. survey data have been collected and tested using multiple regression and hierarchical regression analysis. The results of our hypotheses testing are summarized as follows. Firstly, four social information characteristics of closeness, similarity, sincerity, and reputation have a significantly positive effect on recommendation trust. Secondly, a moderating effect of product involvement between recommendation trust and antecedents (e.g., closeness and reputation) of social information is significant. From the results, we provide theoretical and managerial implications, and suggestions for further research.

• Korean Journal of Child Studies
• /
• v.30 no.2
• /
• pp.57-69
• /
• 2009

Instruments used in this study were the Peer Competence Scale(Park & Rhee, 2001), Infant Temperament Questionnaire(Chun, 1993), Emotional Intelligence Quotient Scale(Kim & Kim, 1998), Maternal Parenting Scale(Park & Lee, 1990) Parental Involvement Checklist(Cohen, 1989), and Student-Teacher Relationship Scale(Pianta, 1991). Subjects were 400 preschoolers and their mothers in Seoul. Data were analyzed by descriptive statistics, Pearson's correlation, and multiple regression analysis. Results indicated that (a) children of employed mothers had higher peer competence than children of unemployed mothers. (b) Closeness in teacher-child relationship was the strongest predictor for peer competence of children of employed mothers; maternal strategies promoting peer relationships was the strongest predictor for peer competence of children of unemployed mothers.