The purpose of this study was to identify the facility adaptation characteristics, and the relationship between facility adaptation and the potential affective factors; ADL, self-efficacy, and quality of care facility, and to identify the affective factors on facility adaptation for elders in long-term care facility. Data were collected from 177 none dementia elders over 65 in 9 long-term care facilities from Jan.2, 2011 to March 15, 2011. The data were analysed through t/F test, correlation coefficient, and multiple regression (stepwise). The major findings of this study were as follow; Facility adaptation shows significant difference from admission decision maker(p=.004), religion(p=.027), and motive of admission(p=.009). And facility adaptation has weakly correlated with ADL and quality of care facility. The affective adaptation factors were decision maker, motive of admission, personal interview, religion, and perceived health status, but showed 22.8% of explanation. Thus the findings from this study could be used as bases for nursing intervention supporting elders' care facility adaptation.
In this paper, we propose an automatic prostate segmentation technique using image intensity and gradient information. Our method is composed of four steps. First, rays at regular intervals are generated. To minimize the effect of noise, the start and end positions of the ray are calculated. Second, the profiles on each ray are sorted based on the gradient. And priorities are applied to the sorted gradient in the profile. Third, boundary points are extracted by using gradient priority and intensity distribution. Finally, to reduce the error, the extracted boundary points are corrected by using B-spline interpolation. For accuracy evaluation, the average distance differences and overlapping region ratio between results of manual and automatic segmentations are calculated. As the experimental results, the average distance difference error and standard deviation were 1.09mm $\pm0.20mm$. And the overlapping region ratio was 92%.
The Journal of the Institute of Internet, Broadcasting and Communication
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v.21
no.4
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pp.135-141
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2021
Interest is growing in the design and development of square wave driven BLDC permanent magnet motors suitable for industrial automation, and the development of position detection circuits and drivers. However, this motor is somewhat limited in its application despite the price and functional advantages due to the decrease in efficiency due to switching loss and vibration and noise. In the process of designing and assembling a BLDC motor, the magnetic pole angle is not uniform or the magnetic flux distribution is distorted due to problems in magnetic circuit design or product non-uniformity in the assembly process. Therefore, these things cause position detection deviation and deteriorate the motor characteristics. In addition, the sine wave driven BLDC system can operate stably only when the signal generated from the position sensor is accurately fed back to the driver. However, since the generated signal cannot perform stable position detection due to the occurrence of DC offset component due to magnetic flux density deviation or magnetization technology, which is an external influence, this study intends to study the proposed circuit that can remove the DC offset component.
Kim, Kyongha;Jun, Jaehong;Yoo, Jaeyun;Jeong, Yongho
Journal of Korean Society of Forest Science
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v.94
no.6
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pp.488-495
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2005
This study was conducted to understand the influences of forest structure on throughfall, stemflow and interception loss. The study plots included the natural old-growth deciduous, Pinus koraiensis and Abies holophylla forests in Gwangneung and the rehabilitated young mixed forest in Yangju, Gyeonggido. The Pinus koraiensis and Abies hotophylla had been planted in 1976. The rehabilitated young mixed forest had been established to control erosion in 1974. Total and net rainfall were monitored from March, 2003 to October, 2004. Tipping bucket rain gauge recorded total rainfall. Throughfall and stemflow were measured by custom-made tipping bucket and CR10X data logger at each $10m{\times}10m$ plots at intervals of 30 minutes. Interception loss in the Pinus koraiensis plot were most as 37.2% of total rainfall and least as 22.6% in the rehabilitated young mixed forest. Stemflow in the rehabilitated young mixed forest was 10.7% of total rainfall and stemflow in the Pinus koraiensis plot was 2.4%. The average throughfall ratio ranged from 66% to 77% depending on the canopy coverage. The relationship of stemflow and total rainfall represented in a linear regression equation though the variation of data was large. The ratio of stemflow-conversion was 2% of total rainfall in the Pinus koraiensis plot and 12% in the rehabilitated young mixed forest, respectively. The stem storage of the natural old-growth deciduous was the largest of 0.21 mm whereas that of the Pinus koraiensis plot was the least of 0.003 mm. A deciduous forest produced stemflow more than a coniferous forest due to a smooth bark and steeply angled branches. Interception loss of all study plots increased linearly as total rainfall increased. The distribution of interception loss data related in total rainfall became wider in a deciduous forest than a coniferous. It resulted from seasonality of leaf area index in a deciduous forest. As considered above results, it was confirmed that there were great differences of throughfall, stemflow and interception loss depending on forest stand structures. The simulation model for predicting interception loss must have parameters such as forest stand characteristics and LAI in order to describe the influence of forest structure on interception loss.
Journal of Korea Entertainment Industry Association
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v.14
no.7
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pp.79-94
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2020
The purpose of this study is to analyze the difference in the effect of presence for the activation of virtual reality sports on participation satisfaction, to suggest continuous screen golf exercise participation, and to provide empirical and academic data for the development of the entire virtual reality sports market. To achieve this purpose, the survey period was from March 13 to May 13, 2020, with five researchers and assistants. The purpose of this study and the questionnaire were fully explained to consumers who experienced screen golf directly, and 247 questionnaires were used as the final valid sample by making a questionnaire with self-administration method. The data processing method was the statistical program Windows SPSS 18.0. First, factor analysis and reliability analysis, second, frequency analysis mean(M) and standard deviation(SD), third, Scheffe analysis among t-test and One-way ANOVA analysis, fourth, correlation analysis between variables and multiple regression analysis were conducted. The results of this study through these methods and procedures are as follows. First, there was a significant difference in participation satisfaction of presence in gender, and participation period of general characteristics. Second, there was a high difference in social presence, social self-reliance, and Ego, which are sub-factors of Presence, in social satisfaction, psychological satisfaction, and physical satisfaction. Third, the sub-factors of Presence, Social Presence, Social Self-Reliance, and Ego, were found to have a high effect on the sub-factors of Participation Satisfaction, Social Satisfaction, and Psychological Satisfaction.
Journal of Korean Home Economics Education Association
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v.30
no.3
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pp.43-66
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2018
The purpose of this study was to conduct the instruction for 'Family Life Planning' based on backward design and measured the learners' understanding and satisfaction for testing validity. In short, the result of this study are as follows: In this study, first of all, the students could explain significant concepts, knowledge, and principles for the planning of family life; they could interpret and apply them; they have perspectives on them; they could empathize them; and they could have self-knowledge. The students could also accomplish high achievements for important concepts related to the field of family life planning. In conclusion, this study showed that the developed instruction was very effective for the students to achieve fruitful results, accelerating the learners' persistent understanding. Second, the learners had high satisfaction on the instruction of Family Life Planning based on backward design with the average score of 3.68 out of the perfect score 4. The students could be satisfied with the developed instruction since they could have high interest in the class thanks to diverse learning materials, and they could take an active part in the learning tasks based on group activities and questions. Also they could apply the contents that they learned through task performances to new situation and context. Therefore, this study proved that the developed instruction enhanced the learners' satisfaction on class.
Journal of the Korea Academia-Industrial cooperation Society
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v.21
no.11
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pp.161-170
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2020
The purpose of this study was to identify the influence of a disposition towards critical thinking, self-esteem, creative convergence competency, and professional self-concept as factors affecting the professional self-concept of nursing students. This study was conducted on 326 nursing students between July 1st and July 30th, 2020. The data was collected by self-reporting questionnaires and analyzed with the SPSS/Win19.0 program using the descriptive statistics t-test, ANOVA, Pearson's correlation coefficient, and multiple regression. The mean score of critical thinking disposition was 3.39±0.02, self-esteem 3.46±0.03, creative convergence competency 3.33±0.02, and professional self-concept 3.07±0.02 in nursing students. There was a significant positive correlation between professional self-concept and critical thinking disposition (r=.748, p<.001), self-esteem (r=.642, p<.001), and creative convergence competency (r=.707, p<.001). The significant factors influencing professional self-concept were critical thinking disposition, self-esteem and creative convergence competency, which explained 67.8% of the variance. Therefore, this study suggests that there is a need for a strategy that increases critical thinking disposition, self-esteem, and creative convergence competency to improve professional self-concept in nursing students.
Journal of the Korea Academia-Industrial cooperation Society
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v.18
no.6
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pp.68-77
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2017
This study investigated the relationships among major satisfaction, nursing professionalism, and college life adaptation of the nursing students in order to present basic data to assist in adaption of college life. The study subjects were 553 nursing students from two universities in K and P cities by self-report questionnaire survey. Data were collected between November 7 and November 25, 2016. The data were analyzed through frequency analysis, descriptive statistics, t-test, ANOVA, Scheffe test, Pearson correlation coefficient, and hierarchical regression using SPSS 21.0 program. As a result, major satisfaction, nursing professionalism, and college life adaptation averaged 3.86(out of 5), 3.97(5), and 3.34(5) respectively. There was a significant positive correlation between major satisfaction and nursing professionalism, college life adaptation on nursing students. In addition, nursing professionalism had moderating(F=8.460, p=.004) and partial mediating (${\beta}=.21$, p<.001) effects between major satisfaction and college life adaptation among nursing students. In conclusion, nursing professionalism is a very important factor in the effects of major satisfaction of nursing students on college life adaptation. Therefore, in order to promote college life adaptation of nursing students, and increase their major satisfaction, it is necessary to develop and apply an educational program that can establish the right nursing professionalism.
Journal of the Korea Academia-Industrial cooperation Society
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v.18
no.1
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pp.406-416
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2017
The purpose of this study was to examine violence response, burnout, and job satisfaction according to violent episodes of emergency room workers. Methods : This Study was a descriptive survey design using convenience sampling. This study was exempt from needing an IRB approval. There were 167 emergency room workers, who agreed to participate in this study, and took a self-report questionnaire between July and August 2015. SPSS 21.0 version was used for descriptive analysis, frequency, percentage, mean, standard deviation, independent t-test, Pearson correlation coefficients, and multiple regression. The major findings of this study were as follows: 1) 84.4% of participant experienced violent episodes. The frequency of verbal violence was highest. Violent attackers were patients and guardians with drunken state. The time of violence episodes was usually during the night. Violent experience of doctors and nurses was very high. 2) There were significant differences in the emotional response according to violent episodes (t=2.528, p=0.12) 3) The correlation between \response and burnout was statistically significant, and indicates a high positive correlation (r=.616, p=<.001). The correlation between violence response and job satisfaction was statistically significant, indicating a negative correlation (r=-.512, p=<.001). There was a negative correlation between burnout and job satisfaction with statistical significance (r=-.568, p=<.001). 4) Significant factors influencing job satisfaction were emotional response to violence and burnout. Conclusion: The findings of this study provide basic information for the strategies of preventing violence, decreasing burnout, and improving job satisfaction by developing a violence management program.
The purpose of this study is to provide basic data for the development of pre-parent education program by grasping parent role recognition, educational needs and readiness of unmarried men and women. The subjects were 196 unmarried male and female students from K-do. Data were collected from November 1st to 20th, 2018, and analyzed using IBM SPSS WIN/21.0 to get frequency, percentage, average, standard deviation, t-test, ANOVA, sheffe-test, paired t-test, and IPA matrix. The average score of recognition of social pre-parent role was $3.41{\pm}0.27$ (out of 5 points), educational needs was $3.48{\pm}0.41$ points (out of 4 points), and educational readiness was $2.65{\pm}0.57$ points (out of 4 points). educational needs being higher than educational readiness. Through IPA matrix analysis, the area to be strengthened was 'family relation or parent role', and 'self understanding' was the area to encourage putting effort into other evaluation attributes. The area where no further effort is needed and needs improvement in the future was 'spouse selection and marriage', and 'pregnancy and childbirth' and 'child rearing' were the areas to intensively improve. Therefore, there is a need for establishing a standardized strategy in the area A, which has high degree of readiness and needs. Also, it is necessary to take strategies and countermeasures to raise the readiness of area C with low degree of readiness and needs, rather than accepting it as an unnecessary area of further effort input.
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