• Korean System Dynamics Review
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• v.12 no.1
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• pp.131-153
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• 2011

The purpose of this study is to explore the applicability of the causal maps for estimating creativity. This study assumes that fluency, flexibility, originality and elaboration are elements of creativity; and there are common characteristics between systems and creative thinking. For this study, 30 students from the 5th grade create causal maps which are consisted of the contents of 'the water cycle in the earth'. The causal maps are analyzed and evaluated by focusing on the characteristics of creativity. In way of the marking causal maps based on creativity, each word is scored as 1 point on the basis of 30 points for fluency. Each word which is linked more than one word is scored 3 points for flexibility, but the maximum points are limited as 35 points. In originality, if it is approved each word is worthy as well as originality, it is scored as 10 points on the basis of 40 points. Lastly, each number of cycle loops is scored as 15 points for elaboration, and the maximum scores are limited as 45 points. As is stated above, the limiting of the maximum scores are designed based on corresponded to 10% students of participators. In the result of this study, the students' scores of evaluating creativity applied causal maps show similar patterns from relative point of view to the other results which were evaluated the creativity by credible organ. Consequently, it is recognized that the causal maps have the possibility of being able to estimate quantitatively the creativity.

• Proceedings of the Korea Contents Association Conference
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• 2007.11a
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• pp.911-915
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• 2007

The course education is a concept including guidance of entrance into a school of higher grade and for choice a career which is suitable for us. The choice of career can affect the quality of our life. When we regard the course education as guide the way to live happily and valuably, we study about the object of course education in curriculum of computer. This study, first, analyze a course of computer and extract the points. Next, it researches a study and a career which is relevant the units. Lastly, it defines the way in studies and career according to the points, and systematize the points in steps.

• Journal of Digital Convergence
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• v.19 no.5
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• pp.489-500
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• 2021

The purpose of this study was to identify the effect of nursing college students' knowledge and attitudes about patient safety on self-efficacy. The participants comprised 186 students in a nursing college. Data collection was from September 22, 2020, to October 24, 2020. The data were analyzed by descriptive statistics, an independent t-test, a one-way ANOVA, the Pearson's correlation coefficient, and multiple regression through the SPSS 25.0 Program. Nursing students' knowledge of patient safety was 10.62±1.86 points on average, out of a total of 16 points. Attitudes toward patient safety and self-efficacy were an average of 3.72±0.45 points and an average of 3.71±0.65 points, respectively, out of 5 points. The relationship between knowledge and attitude about patient safety and self-efficacy was positively correlated. The effect on self-efficacy is attitude toward patient safety, satisfaction with a major, school practice, and clinical experience. The explanatory power was 14.4%. In conclusion, it is necessary to develop educational programs for patient safety that apply smart technology in order to enhance the self-efficacy of nursing students.

• Journal of Advanced Marine Engineering and Technology
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• v.22 no.6
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• pp.920-927
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• 1998

This paper presents a synthetic control algorithm that generates the rudder command angle to track the optimal route which is composed of straight-lines among way-points with keeping a required error limit. The control algorithm comprises three main lgorithms that is a course-keeping algorithm that eliminates the yaw angle difference between optimal route and current route a track-keeping algorithm that tracks the optimal route among way-points and a turning-control algorithm that includes the generation of optimal turning routes and control method. The effectiveness of the proposed control algorithm is assured through computer simulation.

• Journal of muscle and joint health
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• v.28 no.2
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• pp.121-129
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• 2021

Purpose: This descriptive research study investigated the effects of self-efficacy and socially prescribed perfectionism on test anxiety among nursing students. Methods: This study recruited nursing students at K University located in S city through convenience sampling. A survey was conducted from September 22 to November 4, 2020, using online web questionnaires. A total of 180 answers were analyzed. SPSS 22.0 was used to perform independent t-tests, one-way ANOVA, Scheffé post hoc analysis, Pearson's correlation, and multiple regression analysis. Results: The average test anxiety was 3.27 points out of 6 points. The general self-efficacy was 3.81 points out of 5 points; social self-efficacy was 3.58 points and socially imposed perfectionism was 2.79 points out of 5 points. Variables affecting test anxiety were socially prescribed perfectionism, sex, academic stress, and general self-efficacy, and the explanatory power of these variables was 30.9%. Conclusion: It was confirmed that academic stress, general self-efficacy, and social imposition perfectionism were factors affecting test anxiety among nursing students. Therefore, it is necessary to develop and provide a program to control the factors affecting test anxiety in nursing students to lower test anxiety.

• Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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• 2007.04a
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• pp.179-182
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• 2007

In this study, we proposed a way to detect trees using virtual grid and to discriminate vertical wall points from building tops based on effective segmentation of LIDAR point cloud utilizing scan line characteristics. Trees were detected by their surface roughness value calculated based on virtual grid and vertical building wall points were discriminated from building tops with one dimensional filtering of scan line during segmenting point cloud. In results, we could distinguish trees from buildings and bind virtical wall points to prevent them from faltly acting on point segmentation process.

• Journal of Korean Academy of Fundamentals of Nursing
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• v.19 no.4
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• pp.519-527
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• 2012

This study was done to identify the factors influencing customer orientation of nurses. Method: The participants were 505 nurses who were working in 13 hospitals. Data were collected with structured questionnaires in Feb., 2012, and analyzed using descriptive statistics, t-test, one way-ANOVA, Scheffe test, correlation coefficient, and hierarchical regression with PASW (SPSS) 18.0 program. Result: The average score for internal marketing was 3.07 points, for job satisfaction, 3.06 points, for organizational commitment, 3.25 points, and for customer orientation, 3.53 points. Customer orientation was positively correlated with internal marketing, job satisfaction and organizational commitment. The significant predictors of customer orientation were professionalism, interaction with job satisfaction, affective commitment, continuous commitment to organizational commitment and length of career. These variables had an explanatory power of 45.2%. Conclusions: The study findings suggest that internal marketing, job satisfaction, and organizational commitment should be reinforced to improve the customer orientation of nurses.

• ETRI Journal
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• v.35 no.2
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• pp.336-339
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• 2013

To enhance the symbol error rate (SER) performance of the two-way relay channels with physical layer network coding, this letter proposes a relay selection scheme, in which the relay with the maximal minimum distance between different points in its constellation among all relays is selected to assist two-way transmissions. We give the closed-form expression of minimum distance for binary phase-shift keying and quadrature phase-shift keying. Additionally, we design a low-complexity method for higher-order modulations based on look-up tables. Simulation results show that the proposed scheme improves the SER performance for two-way relay networks.

• Journal of the Korean Statistical Society
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• v.28 no.3
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• pp.279-296
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• 1999

In this paper we establish some recurrence relations for both single and product moments of order statistics from a doubly truncated linear- exponential distribution with increasing hazard rate. These recurrence relations would enable one to compute all the higher order moments of order statistics for all sample sizes from those of the lower order in a simple recursive way. In addition, percentage points of order statistics are also discussed. These generalize the corresponding results for the linear- exponential distribution with increasing hazard rate derived by Balakrishnan and Malik(1986)

• Communications of the Korean Mathematical Society
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• v.34 no.3
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• pp.1029-1047
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• 2019

We are interested in the problem of determining the best fitted circle to a set of data points in space. This can be usually obtained by minimizing the geometric distances or various approximate algebraic distances from the fitted circle to the given data points. In this paper, we propose an algorithm in such a way that the sum of the squares of the geometric distances is minimized in ${\mathbb{R}}^3$. Our algorithm is mainly based on the steepest descent method with a view of ensuring the convergence of the corresponding objective function Q(u) to a local minimum. Numerical examples are given.