• Journal of the Korean Home Economics Association
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• v.32 no.3
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• pp.147-157
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• 1994

The subjects were 574 eleven-and fourteen-year-olds enrolled in elementary and junior high school in seoul. To measure subjects' depression and attributional style the childrdn's Depression Inventory(CDI) and the Childrens' Attributional Style Questionnaire(CASQ) were used. Adolescents' depression score was higher than that of children's There was no sex difference in Children's and adolescents' depression. In the children's and adolescents' depression there was significant difference according to maternal educational level. That is the lower maternal educational level, the higher children's and adolescents' depression score. As predicted by the reformulated learned helplessness theory Children and adolescents with high levels of depression score were more likely to attribute bad events to internal stable global causes and good events to external unstable specific causes. Subject who were moore depressed had significantly lower academic achievement scores than subject who were less depressed.

• Textile Coloration and Finishing
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• v.15 no.1
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• pp.23-29
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• 2003

Dyeings of the most widely used to the synthetic fibers, namely polyamide and polyester, have been carried out using acid dyes and disperse dyes. The above mentioned dye types, and indeed all dyes onto substrates, rely on the reaction properties between the substrates and dye molecules. In terms of fastness properties, however, especially to washings, the satisfactory levels are not present in the results from acid and disperse dyeings. Thus, vat dyeings leaves a feasibility and are an alternative way to overcome the problem. Although attempts and works have been reported in early years, with little if any commercial achievement and success. In this context, to meet increased demands towards a high level of wash fastness from consumers and retailers, an attempt using vat dyes has been carried out in this work.

• Journal of Ecology and Environment
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• v.35 no.4
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• pp.251-258
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• 2012

Many aquatic ecosystems suffer from anthropogenic disturbances, including the introduction of damaging levels of toxic substances. The effects of disturbances include complex relations with various components involved in the systems, and can include physical, chemical, and hydrological disruption depending of the contaminant. Decision Support Systems (DSSs) are developed to help decision makers to deal with complex management crises, through the systematic structuring and evaluation of decisions, and through providing easy-to-use and integrated tools for information elaboration and display. We reviewed various DSSs developed for toxic substances in aquatic ecosystems, and suggested a conceptual framework which is best suited to the management of such issues within Korea. It may assist stakeholders with their decision making process, and in the achievement of a consensus on water management solutions.

• Asia pacific journal of information systems
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• v.3 no.1
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• pp.31-53
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• 1993

Computer Aided Software Engineering(CASE) tools are suggested as an automated method for the efficient development of softwares. This study are intended to measure the use level of CASE tools and to provide the meaningful information on the whole software development environment supported by CASE tools. Therefore, the results of a survey on CASE environment in Korea are empirically reported and analyzed. The use of CASE tools is measured; purposes purchasing CASE tools and achievement levels are investigated. Implications from the comparative analysis of the utilization of software engineering methodologies between the CASE user group and the non-user group are described. A proposition is suggested to check the request frequency for program change. Further studies on the reverse engineering, program reuse and the use of CASE tools under distributed processing systems such as client-server environments are suggested.

• Journal of Fisheries and Marine Sciences Education
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• v.28 no.3
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• pp.769-779
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• 2016

This study aims to examine the operation of a free semester system geared towards meeting education user needs by researching on youth training activities, a method of fostering talents to be equipped with the 21st-century society-required creativity, innovation ability, cooperation spirit and leadership, communication ability, problem-solving power, and venturing spirit, among other key capabilities. Thus, targeting seven public and private youth training facilities in Jeollanam-do, user satisfaction with ongoing youth training activities and achievement levels were surveyed so that problems of training facilities could be identified and improvement measures could be presented so as to ensure education that can satisfy both education providers and users.

• International Journal of Contents
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• v.8 no.4
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• pp.88-94
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• 2012

The present study aims to explore career maturity and influencing factors among elementary schoolers from poor families in Korea. Data are from 249 welfare recipient children in 10 administrative districts of Incheon. Scores of the work attitudes subdomain was lower than other aspects of career maturity including planning, self-appraisal, and independence in career decision-making. In the full sample, those in the higher academic years showed greater career maturity, planning, and self-appraisal, and those with greater parent attachment showed higher levels of self-appraisal. In separate analyses by gender, parent attachment showed greater influence on girls' career maturity. Finding from the separate analyses on lower vs. higher academic years (i.e. grades) revealed that parent attachment and female were associated with career maturity among lower graders, while academic achievement was associated with career maturity, planning, and self-appraisal among those in higher graders. Findings lend support to parental involvement in career education. Poor children might have limited perceptions of career focused on satisfying economic necessities. Career education should pay attention in helping them expand perceptions of the values of career.

• Journal of Korea Society of Industrial Information Systems
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• v.23 no.2
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• pp.53-61
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• 2018

Flow is an optimal psychological state that people experience when engaged in an activity that is both appropriately challenging to one's skill level, often resulting in immersion and concentrated focus on a task. Through the study model, we found that Flow can result in deep learning and high levels of learning performance.

• Korean Journal of Child Studies
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• v.30 no.5
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• pp.103-117
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• 2009

This study examined patterns of delinquent behavior trajectory from late childhood to early adolescence and examined relationships between patterns of trajectory and individual, family, and school factors. Youth delinquent behavior trajectories were examined by mixed growth models using data from the 2nd to 5th year surveys of the Seoul Panel Study of Children. Relationships between patterns and effect factors were examined by multinominal logit models. Four patterns emerged: non-delinquency (80%); rapidly accelerating delinquency (3.3%); decelerating delinquency (6.0%); and moderately accelerating (10.7%) groups. Contacts with a delinquent peer group had persistent effects on more serious delinquent behavior trajectories. Increased levels of self-esteem and school achievement prevented increase in delinquent behaviors; close relationships with parents and parental supervision caused decrease in delinquent behaviors.

• Earthquakes and Structures
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• v.9 no.3
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• pp.563-576
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• 2015

Over the past few decades, seismic retrofitting of structural systems has been significantly improved by the adoption of various methods such as FRP composite wraps, base isolation systems, and passive/active damper control systems. In parallel with this trend, probabilistic risk assessment (PRA) for structural and nonstructural components has become necessary for risk mitigation and the achievement of reliable designs in performance-based earthquake engineering. The primary objective of the present study was to evaluate the effect on piping fragility at T-joints due to seismic retrofitting of structural systems with passive energy-dissipation devices (i.e., linear viscous dampers). Three mid-rise building types were considered: without any seismic retrofitting; with distributed damper systems; with optimal placement of dampers. The results showed that the probability of piping system failure was considerably reduced in a Multi Degree of Freedom (MDOF) building retrofitted with optimal passive damper systems at lower floor levels. This effect of damper systems on piping fragility became insignificant as the floor level increased.

• Tunnel and Underground Space
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• v.4 no.2
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• pp.144-155
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• 1994

This research is designed to assess current achievement levels for mechanized excavation systems in Korea adn suggest the model predictive of TBM performance using statistical approaches. A test section in the TBM construction sites is selected to measure and analyze TBM performance. The field records including operating data, time allocation into downtime catagories, and machine design are analyzed on a shift basis. There are a total of 240 shifts, with most days operating two shifts per day. Examples of the probability density functions produced from the test section are presented and discussed. Relationships between TBM penetration rate and rock physical properties are investigated and the empirical equations for TBM performance prediction are also assessed with the field data.