• The KIPS Transactions:PartD
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• v.15D no.3
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• pp.429-440
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• 2008

Formal Concept Analysis (FCA) is a widely used methodology for data analysis, which extracts concepts and builds a concept hierarchy from given data. A concept consists of objects and attributes shared by those objects, and a concept hierarchy includes information on super-sub relations among the concepts. In this paper, we propose a method for extracting Implication and Association rules from a concept hierarchy given a query by a user. The method also describes a way for displaying the extracted rules. Based on this method, we implemented an automatic tool, QAG-Wizard. Because the QAG-Wizard not only elicits relation information for the given query, but also displays it in structured form intuitively, we expect that it can be used in the fields of data analysis, data mining and information retrieval for various purposes.

• Journal of Korean Home Economics Education Association
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• v.12 no.2
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• pp.15-28
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• 2000

The purpose of this study were to identify consumer educational needs of elementary school teachers and to analyze the factors affecting it. The data for the analysis were collected by structured questionaires and consisted of 253 elementary school teachers living in Taegu city. The descriptive statistics, t-test and one way ANOVA with Scheffee test were used to analyse the data. The following is summary of major findings. 1. Teachers though that the topics related to environment protection and consumption value were the most important in the consumer education of elementary school among the five topics. These topics were also very emphasized in the current elementary school curriculum. The topics related to consumer citizenship and buying were ranked as the highest scores of the educational needs of teachers. Therefore these topics should be emphasized in the future consumer education curriculum of elementary school. 2. The age, sex and period of educational career of teacher. teacher’s perception of student’s and teacher’s interests about consumer education and teacher’s wants of on-the job traing were found to be the factors affecting consumer educational needs of elementary teachers.

• Proceedings of the Korea Contents Association Conference
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• 2006.11a
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• pp.815-818
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• 2006

Lately, the development of the Internet yield to increase the number of game players. The advertisement intended for increasing game players is made an issue of. In this paper, we explain the various cases by using games as the advertising media and analyze their problems. In addition, we propose the structured module to solve the problems and to service efficiently the advertisements.

• Journal of the Korean Home Economics Association
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• v.35 no.4
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• pp.269-282
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• 1997

The purpose of this research is to analyze perceptions of consumers and willingness to play for high-priced food. The price dispersions of four food categories - soybean sprouts, tofu, milk, and egg - were analyzed through the market analysis, and the survey with the structured questionnaire was utilized to get information on the reason why consumers buy and don't buy the high-priced food. It tested whether a consumer would change the choice if the new product information on safety issues is offered and if the price of high-priced food is lowed. Results showed that generally consumers don't have the confidence on the level of safety and comparative advantages of quality of high-priced food, but they just purchase the high-priced food as long as they can afford it.

• Journal of the Korean Home Economics Association
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• v.33 no.5
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• pp.115-127
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• 1995

The purpose of this research was to investigate the economic status and problems of the middle aged apartment-residents in Seoul as a part of collaborative study on family issues of them. The sampling households were divided into Kangnam and Kangbuk area according to their residential location and upper-middle and lower-middle groups according the size of the apartment unit. The analysis of this research was specially focused on the latter division. The data were collected from 307 fulltime housewives with at least one child in a middle or high school. This data were gathered from the structured questionnaire. The major findings of this research were as follows: 1. The significant differences between upper-middle and lower-middle groups were showed in such areas as household income, monthly living expenses, household assets and savings. 2. The most serious economic problem was the private education expenses in both groups. 3. The economic satisfaction of the group in the Kangbuk area was a little higher than the group in Kangnam area.

• Journal of the Korean Home Economics Association
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• v.35 no.1
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• pp.1-14
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• 1997

The purpose of this study is to investigate time use of married female clerical workers and their husbands. Data for 143 couples were gathered from using structured questioinaire and time dairy. The analysis of time use data was carried out two approaches. They are the amount of time spent and the distribution of time for dailly activities. And also the couples' perceptions how restricted their long time labor to their family life was analyzed. The results were shown as follows: (1) Married female clerical workers and their husbands have long labor time and their physiological and leisure time is too short. This means the patterns of their time use are very unbalanced type. (2) Wives worked longer than husbands on total labor with a large sexual difference in household works.(3) Couples perceived that wives' work more negative affection on their family life than husbands' work.

• Journal of the Korean Home Economics Association
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• v.38 no.8
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• pp.1-11
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• 2000

The purpose of the study was to investigate the relationship among management strategic type, QR system adoption and the usage level of technologies. Also the current situation about the management strategies for the Korean apparel manufacturers was examined in this study. A random sample of 102 apparel manufacturers was selected for the data collection. A survey method was used with the structured questionnaire, and for the data analysis, chi-square test, ANOVA and Duncan's multiple range tests were used. The resets were as following: 1. The most identified strategic type among Korean apparel manufacturers was analyzer and the defender. 2. The most frequently used technologies were small lot orders and the reduction in the inventory level, and the least used technologies were the electronic order system and UPS. 3. The management strategic type was significantly related to the adoption and the usage level of technologies.

• Journal of the Korean Home Economics Association
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• v.37 no.2
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• pp.27-40
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• 1999

The purposes of this study are to measure the prevalence of parental violence toward adolescents and to explore the predictors based on a data gathered from a sample of adolescents. A total of 1,451 adolescents attending middle and high school in Seoul and rural area completed a structured questionnaire. The results show that about 32% of the respondents are physically assaulted by their father and/or mother for the past year. A logistic analysis shows that adolescents are more likely to experience parental violence when their parents have frequent marital conflicts and when parents use violence between themselves than the adolescent whose parents have no frequent spousal conflict and no domestic violence. The results also show that the age of adolescents and the changes in the level of academic achievement are significant predictors of adolescents'experience of parental violence. The probability of experiencing parental violence was lowered as age increased. When adolescent had a significant drop in school achievement, the probability of experiencing parental violence increased. Based on these findings, research and policy implications to reduce and prevent the family violence toward adolescents are discussed.

• Journal of the Korean Home Economics Association
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• v.37 no.12 s.142
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• pp.13-28
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• 1999

This study aimed to analyze the process of courtship form having date and marriage toward women who had job before marriage. The objects were 27.36 years old and had 9.59 months marital life at average. This study conducted structured questionnaires using the reflection of spouse selection procedure. By using collected data through questionnaires, it conducted descriptive statistics, cluster analysis and t-test. The type of marriage would be divided into the emotional marriage group and the implemental marriage group The emotional marriage group had longer dating time and more satisfaction of spouse selection than the implemental group. On value variable, the emotional marriage group had more subjective selection standard and more expectation social and emotional benefit than the latter group. On search variable, the emotional marriage group estimated the relation stability and satisfied the relation with spouse more than the implemental marriage group and expected the less possibility to meet new partner.

• Proceedings of the Korea Contents Association Conference
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• 2005.11a
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• pp.284-288
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• 2005

Internet-based distance learning is proliferated, but justifying its educational effectiveness is challenging. Investigation into the problems is important and fundamental for the study on the educational effectiveness. In this study, problems of Internet-based distance learning are structured by four categories as environmental problems, student problems, course design problems and operational problems. Based on a survey of distance education participants, problems are analysed. Also, analysis from the point of demographic differences such as sex, job existence and age is performed.