• Journal of Korean Academy of Nursing
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• v.20 no.2
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• pp.185-194
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• 1990

The purpose of this study was to investigate the correlation of discomfort. self - esteem. personality and life - satisfaction in persons with rheumatoid arthritis and to provide basic data to help them attain a better quality of life. From Jan. 27 to Feb. 24, 1988, 53 patients, registered at a rheumatic clinic at one general hospital in Seoul, were accepted as subjects for this study. The instruments used for this study were a discomfort scale and life- satisfaction scale developed by the researcher, Rosenberg's Self - esteem Scale and Wallston and Wallston's Multidimensional Health Locus of Control (MEILC) Scale. The reliability of the scales were tested by Cronsbach's alpha. The collected data were analyzed by the SAS program using unpaired t-test, ANOVA, and Pearson's Correlation Coefficients. The results were as follows : 1. There was a significant difference in the subjects perceived discomfort level(t＝-3.49, p＝ .0010) between the onset of the disease(14.87$\pm$9.02) and the present(19.87$\pm$8.44). 2. There was a significant correlation between the MHLC - internal score and the MHLC -chance score (r＝-.4366, p＝ .0011). 3. The findings related to the demographic variables regarding the MHLC scores were as follows : 1) Regarding sex, there was a significant difference for the MHLC -internal score(t＝4.2572, df＝15.2, p＝ .0007) between male(32.13$\pm$2.47) and female(27.56$\pm$4.17). But the MHLC-chance score for male(15.13$\pm$2.85) was lower(t＝3.1539, df＝21.8, p$\pm$ .0047) than for female(19.47$\pm$6.29). 2) Regarding educational background, the MHLC - chance score for the below - high school group(20.52$\pm$5.81) was higher(t＝2.5450, df＝51.0, p＝ .0140) than the college graduate group(16.41$\pm$5.76). 4. The average Self - esteem score was 26.87 (S.D.＝5.29) and there was a significant correlation between the Self- esteem score and the MHLC - chance score (r＝ .3122, p＝ .0026). 5. It was found that the subjects' Discomfort score was correlated with the Self -esteem score(r＝-.3788, p＝ .0051) and the Life - satisfaction score(r＝-3570, p＝ .0087). It was also found that subjects' Self - esteem score was correlated with the Life-satisfaction score(r＝ .4474, p＝ .0008).

• Journal of the Korean Data and Information Science Society
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• v.13 no.2
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• pp.157-165
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• 2002

Since 1997, when a new educational system that encourages faculties instead of departments in universities is first introduced, students have much more chance to choose and leave their majors than before. As a result, colleges of basic arts and sciences confront with a serious problem since lots of students have left their majors at the colleges. In this paper, we analyze and provide a predictive model for those students in a university using decision trees.

• Journal of Information Technology Services
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• v.13 no.2
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• pp.185-194
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• 2014

Recently, as value for practical use of big data is evaluated, companies and organizations that create benefit and profit are gradually increasing with application of big data. But specifical and theoretical study about possible risk factors as introduction of big data is not being conducted. Accordingly, the study extracts the possible risk factors as introduction of big data based on literature reviews and classifies according to big data processing, data collection, data storage, data analysis, analysis data visualization and application. Also, the risk factors have order of priority according to the degree of risk from the survey of experts. This study will make a chance that can avoid risks by bid data processing and preparation for risks in order of dangerous grades of risk.

• International Journal of Computer Science & Network Security
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• v.24 no.4
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• pp.60-66
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• 2024

Host's data during transmission. Data tempering results in loss of host's sensitive information, which includes number of VM, storage availability, and other information. In the distributed cloud environment, each server (computing server (CS)) configured with Local Resource Monitors (LRMs) which runs independently and performs Virtual Machine (VM) migrations to nearby servers. Approaches like predictive VM migration [21] [22] by each server considering nearby server's CPU usage, roatative decision making capacity [21] among the servers in distributed cloud environment has been proposed. This approaches usage underlying server's computing power for predicting own server's future resource utilization and nearby server's resource usage computation. It results in running VM and its running application to remain in waiting state for computing power. In order to reduce this, a decentralized decision making hybrid model for VM migration need to be proposed where servers in decentralized cloud receives, future resource usage by analytical computing system and takes decision for migrating VM to its neighbor servers. Host's in the decentralized cloud shares, their detail with peer servers after fixed interval, this results in chance to tempering messages that would be exchanged in between HC and CH. At the same time, it reduces chance of over utilization of peer servers, caused due to compromised host. This paper discusses, an roatative decisive (RD) approach for VM migration among peer computing servers (CS) in decentralized cloud environment, preserving confidentiality and integrity of the host's data. Experimental result shows that, the proposed predictive VM migration approach reduces extra VM migration caused due over utilization of identified servers and reduces number of active servers in greater extent, and ensures confidentiality and integrity of peer host's data.

• Journal of the Korea Society for Simulation
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• v.29 no.2
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• pp.83-93
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• 2020

Bivariate measure of risk and error(BMORE) plot is originally designed to depict bivariate output data and related statistics obtained from a stochastic simulation such as sample mean, median, outliers, and a boundary of a certain percentile of simulation data. When compared to the static numbers, the plot has a big advantage in visualization that enables scholars and practitioners to understand the potential variability and risk in the simulation data. In this study, beyond just the construction of the plot to depict the variability of a certain system, we add a chance constraint to the plot and apply it for decision making such as checking the feasibility of systems, comparing performances of the systems on statistical background, and also analyzing the sensitivity of the problem parameters. In order to demonstrate an application of the plot, we employ an inventory management problem as an example. However, the techniques and algorithms suggested in this paper can be applied to any other problems comparing systems on bivariate performance measures with simulation/experiment results.

• Journal of the Korean Society of Clothing and Textiles
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• v.32 no.3
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• pp.474-485
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• 2008

The purpose of this study is to examine the determinants and elements to enhance Korean international competitiveness, employing Porter's(1998) Diamond Model. Half of the 500 leading apparel exporters that were members of the Korea Apparel Industry Association in 2003 were selected as the target of this research. From May to June of 2003, survey questionnaires were sent to executives of these 250 companies in person or by telephone, e-mail, or fax. Seventy questionnaires were used for the final data anlysis. The items used were Reliability, Categorical Regression, and Frequency, using SPSS 11.5. The results were as follows: First, as a result of analyzing the influence of international competitiveness in Korean apparel industry, the firm's strategy, structure, and rivalry was the most influential factor. Others were related and supporting industries, government, chance, demand conditions, and factor conditions. Also, the elements that affect Korean international competitiveness were listed as the level of price competition in foreign markets, the level of labor cost, export marketing capacity, and exchange fluctuation. The most important element to improve the international competitiveness of the Korean apparel industry was a demand growth rate of the overseas markets(Demand Conditions), followed by the level of the labor costs(Factor Conditions), the capability of internationalization(Firm Strategy, Structure, and Rivalry), the change of currency(Chance), the quality and management of products(Demand Conditions), the capability of planning products(Firm Strategy, Structure, and Rivalry), free trade from 2005(Chance), and global sourcing strategy(Firm Strategy, Structure, and Rivalry). Korea's main rival country in apparel related and supporting industry factors is China. However, Korea has a higher level of technology development, quality, and price level than China.

• Journal of the Korean Society of Food Culture
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• v.11 no.2
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• pp.169-178
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• 1996

The purpose of this study was to get an information on hotel cook. So the food and beverage (F and B) enterprise is one of the most promising industry on post-industry society, and the cook is real agent to lead the F and B enterprise, we need to have a data, information and knowledge on cook to improve a culinary art training program and working environment. This study was surveyed by 216 cook to work for deluxe hotels at Pusan. The results were summarized as follows: 1. The almost cook worked with restaurant for $8{\sim}9$ hours/day, and a half of cook earned a million won in a month. A higher grade cook worked longer hours and earned more money than a lower grade one. 2. The most popular workplace of the cook was Western restaurant, the male cook working at a Western restaurant were more than female, the more female cook and novices worked at a Korean restaurant. 3. The most popular qualification that the cook take were a western culinary art one, and next were Korean one and Japanese one. The 77.8% cook worked at the place that fitted in with their culinary art qulification. 4. A half of cook insisted that they were a expert of western culinary art, and the next was the Korean, Japanese one in order. 5. The cook were unsatisfied with pay, work environment, human relation and promotion, and if they change their workplace, a lot of cook wished to manage their own restaurant. 6. The 63.4% of cook changed their workplace more than a time. The male cook got a more chance to change workplace than female one. The higher grade cook got a more chance to charge workplace. Almost cook got a no chance to study a culinary art at overseas. The most favorite place that the cook want to visit for studying was Europe, and next were Japan, America, Southeast Asia in order.

• Korean journal of food and cookery science
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• v.13 no.2
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• pp.157-167
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• 1997

This study was carried out to get an information on hotel Cook. We need to have a data, information and knowledge on Cook to improve a culinary art training program and working environment. This study was surveyed by 203 Cook to work for deluxe hotels at Bomun, Kyongju. The results were summarized as follows. 1. The great part (81.8%) of the Cook were a male, a half (53.2%) of the Cook were in their twenties or thirties. In academic background, 56.7％ of the Cook graduated from senior high school and in career background, 44.4% of the Cook had under 5 years at food enterprise. 2. The almost of the Cook (83.3%) worked with restaurant for 8∼9 hours/day and 66.3% of the Cook earned a million won in a month. The higher grade Cook worked longer hours and earned more money than a lower grade one. 3. The most popular workplace of the male Cook were Western style restaurant, but one of the female Cook were a Korean style restaurant. 4. The Cook have 0.9 unit Cook qualification per one person and the most popular Cook qualification were a Western style culinary art. 5. A half of the Cook asserted their expert skill in Western style Cook, and a third Cook asserted their expert skill in Korean style Cook. 6. A great part of the Cook was unsatisfied with pay (49.2%), work environment (16.6%), human relation (10.4%), and if they have a chance of workplace transfer, 38.8% of the Cook wished to manage their one restaurant. 7. 66.5% of the Cook had a workplace transfer more than a time. The higher grade Cook had more chance to change workplace. Almost of the Cook had no chance to study a culinary art at overseas.

• Journal of Korean Academy of Nursing
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• v.18 no.2
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• pp.118-127
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• 1988

This descriptive-correlational study was undertaken in order to examine if there was relationship between health locus of control and health behavior of 122 residents in Choong Nam Province. The sampling method was non-probability, conventent sampling technique. Questionnaire survey was conducted from March 2 to March 11, 1988. Each participant completed the Multidimensional Health Locus of control(MHLC) scale (Wallsten & Wallston, 1978) and Health Behavior scale (developed by Dr. cho) The collected data were analyzed using Peason Correlation coefficient, t-test and Analusis of Variance. The results were as follows : 1. Hypothesis 1, stating that the higer the score of internal health locus of control, the higher the Score of level of actual implementation of health behavior was supported(r＝.1344, p＜.05). 2. Hypothesis 2, stating that the higher the score of chance health locus of control, the lower the score of level of actual implementation of health behavior was not supported (r＝-.1344, p＞.05). 3. Hypothesis 3, stating that the higher the score of internal health locus of control, the higher the score of the level of perceived importance of health behavior was supported (r＝.3373, p＜.001). 4. Hypothesis 4, stating that the higher the score of chance health locus of control, the lower the score of level of perceived importance of health behavior was not supported (r＝-.0810, p＞.05). 5. The mean score of internal was 23.36, powerful others was 19.04 and chance 15.36 out of maximum range of 6-30 respectively. The mean score of level of actual implementation of health behavior was 112.84 and level of perceived importance of health behavior 143.60 our of maximum range of 32-160 respectively. 6. The variances which were related with the level of actual implementation of health behavior, were education level, occupation, economic status, referred method of primary health, management and resicent's place. And the variance which were related with the level of perceived importance of health behavior were sex, economic status and occupation.

• Journal of Korean Academy of Nursing Administration
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• v.12 no.3
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• pp.355-364
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• 2006

Purpose: This study was conducted to examine the perceptions of nurses and nursing students on nursing law legislation in Korea. Method: This was a descriptive study. The data were collected by questionnaires from 1914 nurses and 408 nursing students and analyzed using descriptive statistics and t-test. Results: Most of respondents (73.5%) had received the information on nursing law legislation mainly through the nursing news letter, nursing magazine(Taehan Kanhoo), and Korean Nurses Association internet homepage. However, they expressed they did not know sufficiently about the nursing law legislation and wanted know more about it. They strongly supported the nursing law legislation. There were significant differences in perceptions between the people who had a chance to know about the nursing law legislation and who did not. Conclusion: Education should be offered not only to the people who wanted to know more about on nursing law legislation and but also to the people who are not concerned or never had a chance to know about this. It is important to empower nurses and nursing students to be proactive on the issues of nursing law legislation.