Park, Gee-Yong;Park, Jae-Chang;Kim, Chang-Hwoi;Kim, Jung-So;Jung, Chul-Hwan;Seong, Poong-Hyun
Proceedings of the Korean Nuclear Society Conference
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1996.11a
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pp.85-90
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1996
In this paper, the self-organizing fuzzy logic controller is developed for water level control of steam generator. In comparison with conventional fuzzy logic controllers, this controller performs control task with no control rules at initial and creates control rules as control behavior goes on, and also modifies its control structure when uncertain disturbance is suspected. Selected parameters in the fuzzy logic controller are updated on-line by the gradient descent loaming algorithm based on the performance cost function. This control algorithm is applied to water level control of steam generator model developed by Lee, et al. The computer simulation results confirm good performance of this control algorithm in all power ranges. This control algorithm can be expected to be used for automatic control of feedwater control system in the nuclear power plant with digital instrumentation and control systems.
This study was conducted as experimental research for testing the effects of a brain dance group program for cultivating human qualities on pre early childhood care teachers' self acceptance and self control. The subjects of this study were 20 students in the course for early childhood care teacher certificate at N University in G City who consented to participate in this study. and they were divided randomly into an experimental group n=10) and a control group n=10). Data were collected before and after the application of the brain dance group program for cultivating human qualities. and collected data were analyzed using SPSS 14.0 for Windows through paired sample t-test. According to the results. the brain dance group program was found to have a positive effect on self acceptance and self control. and this suggests that brain dance is a useful tool for enhancing pre early childhood care teachers' self-acceptance and self control. The findings of this study are expected to be used as basic information for tertiary education institutions' development of strategies to raise brain dance experts and educational experts who are to develop various education programs using brain dance.
Journal of Korean Academy of Nursing Administration
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v.12
no.2
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pp.233-246
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2006
Purpose: The purpose of this study was to examine whether a MBTI based self growth program had any effect on improving the ego identity, self efficacy, interpersonal relations ability and adjustment of nursing students. Method: The subjects in this study were 56 juniors who were majoring in nursing science at H and S college in Chungnam province. At each college, an experimental group and a control group were organized with 26 and 30 students respectively, and the data were gathered at H college from April 6 through May 14, 2004, and at S college from May 31 through July 3, 2004. A MBTI based self growth program was conducted 10 times for five weeks, twice a week and for 120 minutes each. And the ego identity, self efficacy, interpersonal relations ability and adjustment of the selected students were measured and compared to see if that program has any effect on above variables. For data handling, SAS 8.0 program was employed. Fisher's exact test and unpaired t-test were used to confirm whether or not the experimental and control groups were equivalent. Before the experiment, their ego identity, self efficacy, interpersonal relations ability and adjustment were tested by one-way ANOVA and Scheffe's multiple comparison in consideration of their general characteristics, and paired t-test and ANCOVA were utilized to see if that program brought any changes to their ego identity, self efficacy, interpersonal relations ability and adjustments. Result: The findings of the study were as follows; After the MBTI based self growth program was applied, the experimental groups made a significant progress in ego identity than the control groups. And the experimental groups underwent a significantly change in ego identity after the experiment, compared to the control groups. The experimental groups showed a significant improvement in self efficacy than the control group, and the experimental groups showed significant change in self efficacy than the control groups after the experiment. The experimental group showed a significant progress in interpersonal relations ability than the control group did, and the former groups underwent significant change in that regard than the control groups after the experiment. There was no difference in adjustment between the experimental and control groups. The experimental groups showed significant change in adjustment than the control groups after the experiment, but the difference was insignificant. After this program was implemented, the students underwent changes in self understanding, self accepting, understanding others and accepting others. They also had more confidence and more positive self images, and they were better able to tide over difficulties with others. Conclusion: The results of this study suggested that the MBTI based self growth program might serve to enhance the ego identity, self efficacy and interpersonal relations ability of the nursing students and brought inner changes to them. Therefore, the MBTI based self growth program was expected to make a great contribution to the character building of nurses.
The Journal of Korean Academic Society of Nursing Education
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v.28
no.3
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pp.236-247
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2022
Purpose: The COVID-19 pandemic has increased the importance of nurses' clinical performance, and accordingly, nursing educators have emphasized students' clinical practice and performance. This study developed a Clinical Practice Self-Efficacy Scale for nursing students and examined its psychometric properties. Methods: The authors reviewed instruments for selecting items for the scale in the areas of clinical skills, communication, infection control, safety, and nursing process. After preliminary items were selected, ten experts consisting of nursing professors and clinical nurses reviewed the items considering Korean clinical and educational situations. The data for the psychometric evaluation was collected from 257 nursing students in their 2nd, 3rd, and 4th years and then analyzed. Results: The confirmatory factor analysis showed that the goodness of fit of this scale with five factors represented by 40 items was appropriate. The significant positive correlations with general self-efficacy indicated sound construct validity. The senior nursing students showed higher scores than others, as we expected. Cronbach's alpha was .94. Conclusion: The Clinical Practice Self-Efficacy Scale is appropriate for measuring Korean nursing students' self-efficacy of clinical practice. It is expected to act as a good tool to measure the effects of clinical practice education.
The purpose of this study is to develop and evaluate the Self Efficacy Promotion and Exercise Training Program to decrease anxiety and depression and to increase the quality of life for kidney transplant recipients. The subjects were selected randomly among the patients who underwent renal transplant at three major transplantation hospitals in Seoul, Korea. The observed subjects in this study consisted of 56 patients who had renal transplantations between one to twelve months prior to this study. The patients did not take any regular physical exercise. This study was carried out between November, 1999 and March, 2000. The study groups were divided into 3 groups; exercise training group (n=16), self efficacy group (n=18) and control group (n=22). The exercise training group received self efficacy promotion and exercise training program for 12 weeks. The self efficacy group received self efficacy promotion education, but no exercise training was given. The control group was not offered any education. The anxiety, depression and quality of life were evaluated 3 times, before the experiment, after 8 weeks and after 12 weeks. The data were analyzed with mean, standard deviation, Chi-square test, ANOVA and $Scheff\acute{e}$ test. The results were as follows: 1. After the experiment, anxiety and depression scores of the exercise training group and self efficacy group were more significantly decreased than those of the control group (p=.05). 2. After the experiment, the quality of life score of the exercise training group and self efficacy group were more significantly increased than those of the control group (p=.05). This study showed that the Self Efficacy and Exercise Training Programs were effective. Therefore, it is expected that the Self Efficacy Promotion and Exercise Training Program could be widely applied as an effective independent nursing intervention to decrease anxiety and depression and to increase quality of life for kidney transplant recipients.
Purpose: This study was to verify the effect of self moxibustion on dysmenorrhea and ADL. Method: This study was undertaken from October 25th to December 31st, 2004. The subjects of this study consisted of 31 female college students attending two colleges. Of those subjects, 16 and 15 subjects were assigned to the experimental and the control groups respectively. Self moxibustion was performed daily for 7 days before the expected menstrual date, and subjects performed moxibustion on both palms. Result: After self moxibustion, the scores of dysmenorrhea and difficulty of ADL by GRS decreased significantly in the experimental group. There was a significant difference between both groups in the changes of the scores of dysmennorhea and difficulties of ADL after self moxibustion. Conclusion: Self moxibustion had a practical effect on reducing dysmenorrhea and difficulties of ADL. Accordingly, we can use self moxibustion as a useful nursing intervention in the community.
This study was attempted to evaluate how the self efficacy promotion and exercise training program effect on the postoperative general conditions of transplant recipients after kidney transplantations. The subjects were selected randomly among the patients who underwent renal trans- plantations at three major transplantation hospitals in Seoul, Korea. This study was carried out between November 1999 and March 2000. The observed subjects in this study consisted of 56 patients. The exercise training group(n=16) received the self efficacy promotion and exercise training program for 12 weeks which contained general knowledge for compliance instruction, exercise training and self efficacy promotion education. The self efficacy group(n=18) received general knowledge for compliance instruction and self efficacy promotion education but no exercise training was given. The control group(n=22) were not offered any education. The knowledge for compliance, self efficacy, physical conditions(weight, muscle strength, muscle endurance, flexibility), lab studies (hemoglobin, creatinine, cholesterol), activities of daily living and quality of life were evaluated 3 times, before the experiment, at 8 weeks and at 12 weeks. The data were analyzed with mean, standard deviation, Chi-square test, ANOVA and Scheff test. The results were as follows: 1. The knowledge and self efficacy score of the exercise training group and self efficacy group were significantly increased than those of the control group(p=.0001). 2. The weight of the exercise training group was significantly decreased compared to those of the self efficacy group and the control group(p=.0001). Muscle strength (grip strength, back lift strength), and flexibility of all 3 groups were significantly changed(p=.0001). However, muscle endurance in all 3 groups showed no significant differences. 3. The hemoglobin level of the exercise training group and the self efficacy group were significantly increased compared to that of the control group(p=.0001) and the cholesterol levels of the exercise training group and the self efficacy group were significantly decreased compared to that of the control group(p=,0001). However, the creatinine levels in all 3 groups showed no significant differences. 4. The activities of daily living scores of the exercise training group was significantly increased than that of the control group (p=.0003), and the quality of life scores of the exercise training group and the self efficacy group were significantly better than that of the control group(p=.0001). It would be expected that this self efficacy promotion and exercise training program could be applied widely as an effective nursing intervention for kidney transplant recipients.
Purpose: The purpose of this study was to identify effects of a self-management program on symptom and functional status, health perception, and quality of life(QOL) of patients with CHF. Methods: Patients with CHF as defined through clinical judgment using the Framingham criteria and EF<50% were enrolled in the study (experimental: 21, control: 20). The symptom focused self-management program consisted of coping behaviors for symptoms including dyspnea, chest discomfort/pain, dizziness, ankle edema, and basic self-management including medications, diets, activity, lifestyle changes. Experimental group received an educational booklet after survey, and periodic telephone follow-up by a trained nurse. Data were collected the 3rd day after admission and at 1 month, 3 months, and 6 months after discharge using questionnaires. Results: Significant differences were found in the presence of symptoms, health perception, and QOL between groups during follow-up. Although no significant difference was found in functional status, the experimental group reported better functional status than the control group. Conclusion: By facilitating self-management of CHF using tailored interventions including education programs and telephone monitoring, it is expected that patients will be able to monitor their symptoms routinely, adhere to therapeutic regimen, and have a better QOL.
Purpose: The aim of this study was to identify core keywords and topic groups in the 'Diabetes mellitus and mobile applications' field of research for better understanding research trends in the past 20 years. Methods: This study was a text-mining and topic modeling study including four steps such as 'collecting abstracts', 'extracting and cleaning semantic morphemes', 'building a co-occurrence matrix', and 'analyzing network features and clustering topic groups'. Results: A total of 789 papers published between 2002 and 2021 were found in databases (Springer). Among them, 435 words were extracted from 118 articles selected according to the conditions: 'analyzed by text network analysis and topic modeling'. The core keywords were 'self-management', 'intervention', 'health', 'support', 'technique' and 'system'. Through the topic modeling analysis, four themes were derived: 'intervention', 'blood glucose level control', 'self-management' and 'mobile health'. The main topic of this study was 'self-management'. Conclusion: While more recent work has investigated mobile applications, the highest feature was related to self-management in the diabetes care and prevention. Nursing interventions utilizing mobile application are expected to not only effective and powerful glycemic control and self-management tools, but can be also used for patient-driven lifestyle modification.
Journal of Korea Society of Digital Industry and Information Management
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v.13
no.1
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pp.173-183
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2017
The purpose of this study is to find out the difference of sense of self-efficacy and stress encountering strategy of university students under the stress situation depending on the smart-phone user group (addiction group, general user group). For this purpose, the study issues are established as follows. First, it has analyzed what is the correlation of smart-phone addiction, sense of self-efficacy, and stress encountering strategy. Second, it has studied if there is any difference of sense of self-efficacy and stress encountering strategy for the smart-phone user group. In order to verify such study issues, For 1,670 university students in the Chungcheong area, smart-phone addiction scale, sense of self-efficacy scale, and stress encountering method scale were administered. Looking into the study result, first, as a result of the relativity analysis, it displayed the correlation of preference of test difficulty, self-control efficacy and important negative from the smart-phone addiction and sense of self-efficacy. In addition, all sub-variables of smart-phone addiction and avoidance orientation from the stress encountering strategy displayed the important positive correlation, and from the smart-phone addiction, the virtual world orientation and pursuit of social-support displayed the important negative correlations, and all sub-variables (interference with ordinary living, virtual world striving direction, withdrawal, resistance) of smart-phone addiction and problem solving-orientation displayed the negative correlation. Second, as a result of verification for the difference of the smart-phone addiction group and general use group following the sense of self-efficacy, the general use group is shown to have higher self-control efficacy sense than the addiction group. And third, as a result of verifying the difference of stress encountering following the smart-phone addiction group and general use group, the addiction group is shown to be lower than the general use group in terms of social support pursuit and problem solution orientation with the avoidance orientation shown to be higher. This type of result is expected to provide the base data when developing the smart-phone addiction preventive education program by finding out in details for the characteristics of smart-phone addiction group for university students.
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