At the current stage of a semi-autonomous vehicle, there are situations in which the vehicle has to request take-over control to the driver quickly. However, current self-driving cars use only simple messages and warning sounds to notify drivers when handing over control, so they do not adequately convey considerations of individual characteristics or explanations of various emergent situations. This study investigated how visual and auditory information and the efficacy of drivers in self-driving cars can improve efficient take-over requests between the car and the driver. We found that there were significant differences in driver's cognitive load, reliability, safety, usability, and usefulness according to the combination of three visual and auditory information provided in the experiment of the take-over request situation. The results of this study are expected to help design self-driving vehicles that can communicate more safely and efficiently with drivers in urgent control transition situations.
The Journal of the Convergence on Culture Technology
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v.9
no.2
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pp.451-457
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2023
This study aims to identify the domestic research trends on nursing leadership and provide basic data that can be used for nursing leadership-related research and intervention development in Korea. To extract topics related to nursing leadership from 335 papers published in domestic academic journals from January 2012 to December 2021, the topic modeling technique was used. Keywords were extracted from abstracts, and literature searches were conducted in five domestic databases including DBpia, KISS, RISS, KM base, and Nanet. The study found that academic papers on nursing leadership have been steadily increasing, with self-leadership, self-efficacy, and education being identified as major topics. In addition, since self-leadership was the most frequently appearing keyword among the types of leadership, the study concluded that research on various forms of leadership should be more actively conducted. These research results are expected to contribute to enhancing understanding of nursing leadership in Korea. This study provides a new perspective on understanding the research trends on nursing leadership in Korea and analyzed the knowledge structure of domestic nursing leadership research, which is meaningful.
Kim, Pyong-Soo;Kim, Kong;Seo, Seok-Yun;Kim, Yeong-Nam
Korean Security Journal
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no.31
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pp.47-71
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2012
This study is to analyse the effect on self-effectiveness of a course decision of duty stress in the college students related to guard major study. For this, the college students related to guard major study in Gwang-ju and Jeonnam region were selected as a universe at April 2011. And a sampling was practiced as a random sample. A question investigation was used in a entry method of self-estimation. Furthermore a total of 171 person(85.5%) was used as final analysis data. The collected data were employed in a statistics program of SPSS for win version 17.0. And used in a way of Pearson's interrelation analysis and Multiple Regression Analysis. The conclusion was as follows. Firstly, family surroundings stress and studies stress of duty stress affected beneficially statistically a goal selection of self-effectiveness of course decision. Family surroundings influenced upon it positively. And studies effected on it negatively. Secondly, all factors of duty stress didn't affect beneficially statistically the work information of self-effectiveness of course decision. Thirdly, school surroundings stress of duty stress influenced upon positively statistically the problem solution of self-effectiveness of course decision. Fourthly, personality stress and duty anxiety stress affected beneficially statistically the future plan of self-effectiveness of course decision. Personality influenced upon it negatively and duty anxiety affected it positively.
Journal of the Korea Academia-Industrial cooperation Society
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v.21
no.3
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pp.80-88
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2020
This study aimed to determine the effects of self-esteem, appearance satisfaction, and satisfaction in their major on the employment stress of nursing college students. The subjects were 194 students from four colleges of nursing in P-province in Korea. Data were collected from self-administered questionnaires, t-test, ANOVA, Pearson's and Spearman's correlation coefficients. Multiple regression with dummy variables was used for statistical analysis of the data. The results revealed the following scores: self-esteem 3.40±0.53, appearance satisfaction 2.96±0.56, satisfaction with the major 3.80±0.61, and employment stress 2.23±0.75. Significant differences in employment stress according to general characteristics of subjects were observed in gender (t=7.40, p=.007), entering nursing college motivation (F=3.24, p=.023), and college life satisfaction (F=16.722, p<.001). Employment stress showed a negative correlation with self-esteem (r=-.433, p<.001), appearance satisfaction (r=-.307, p<.001), and satisfaction in major (r=-.534, p<.001). The satisfaction with the major (β=-.371, p<.001), self-esteem (β=-.166, p=.026), appearance satisfaction (β=-.132, p=.045), entering nursing college motivation (β=.163, p=.006), and gender (β=.131, p=.033) confirmed as a factors affecting the employment stress and accounted for 35.6% of the variance. Based on the results, it is necessary to develop employment-competency reinforcement programs to increase the level of satisfaction in the major, appearance satisfaction, and self-esteem to reduce the employment stress of nursing college students.
Journal of the Korea Academia-Industrial cooperation Society
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v.13
no.10
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pp.4694-4702
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2012
The purpose of this study was a descriptive research that identified the levels of health-promoting behaviors, previous related behavior, perceived benefits/barriers, self-efficacy, and social support. In addition, it was to establish the relations among the variables, and determine the factors affecting the health-promoting behaviors. Study participants were 311 middle aged between 55-64 in urban areas, and the data were collected through self-reported structured questionnair. According to the results, the mean score for the levels of health-promoting behaviors of the late middle aged was 2.64. Also, among the variables related to health-promoting behaviors, perceived benefits were the highest score (30.7), and perceived barriers were the lowest one (2.08). Meaningful positive correlations were found among health-promoting behaviors and previous related behavior, social support, perceived benefits, and self-efficacy, but perceived barriers showed weakly negative correlations. In addition, the factors affecting health promoting behaviors were revealed in order as following: Previous health related behavior(${\beta}$=.35, p<.001), perceived benefits(${\beta}$=.32, p<.001), social support(${\beta}$=.28, p<.001), and life satisfaction(${\beta}$=.13, p<.001), and this model's explanatory power was 68.8%(F=166.71, p<.001). Based on the findings from the study, in order for the late middle aged to have a well-being old age, an health promoting education program including exercises and stress management should be provided to maintain and improve proper health promoting behaviors. The network with the same age groups also should be supported to share useful information and back up one another.
Goo, Ae-Jin;Park, Jin-Park;Lee, Jong-Il;Jhin, Hye-Kyung;Kim, Yeni
Korean Journal of Biological Psychiatry
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v.19
no.4
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pp.205-210
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2012
Objectives The purpose of this study was to investigate clinical profile, efficacy, and safety of long-term treatment with selective serotonin reuptake inhibitors (SSRIs) in Korean autism spectrum disorders (ASDs) patients. Methods Effectiveness was assessed through a retrospective review of self-reported target symptom improvement at the last follow-up visit. Changes in illness severity and improvement were measured using the Clinical Global Impression-Severity (CGI-S) of illness and Clinical Global Impression-Improvement (CGI-I) Scales. Tolerability was assessed through a review of the reason for discontinuation of SSRI and documented adverse events. Results A total of 21 ASDs patients (aged 9 to 19 years) treated with SSRI during July 2010 to July 2011 in department of child and adolescent psychiatry of Seoul National Hospital were identified. The mean duration of SSRI treatment was 47.9 (standard deviation = 36.9) months (range 0.7-114.5), and the mean fluoxetine equivalent dosage of SSRIs was $27.1{\pm}10.8$ mg. Nineteen (90.5%) patients were using concomitant medication. We found that SSRIs were prescribed for symptoms of agitation, stereotyped behavior, aggression, depression, impulsivity and self-injury in ASDs. Ten patients (47.6%) reported improvement in their target symptom after SSRI treatment based on CGI-I scores (CGI-I ${\leq}$ 2). The side effects were reported in 5 patients (23.8%) ; vomiting (n = 2, 9.5%), excessive mood elevation (n = 1, 4.8%), insomnia (n = 1, 4.8%), somnolence (n = 1, 4.8%) and decreased appetite (n = 1, 4.8%). Self-injurious behavior was reported in one patient (4.8%). Conclusions The results of this study suggest that SSRIs may be used effectively in children and adolescents diagnosed with ASDs. However, safety issues need to be considered carefully when choosing SSRIs for treatment. Future controlled trials are needed to confirm these findings.
The purpose of this study was to review articles and theses on adjustment of college freshmen from domestic researches conducted during the past 11 years, to identify overall research trends, and to suggest direction and strategies for college freshman's adjustment. The final 24 articles were selected from three databases, RISS, KISS, and NAL (National assembly library) using specific inclusion criteria. Twenty were correlation studies and four were experimental studies. In 2009, the first study on adjustment of college freshmen was published. Since then several more studies have been conducted to date. This means that people have recognized the importance of adjustment of college freshmen. Twenty three studies that are reviewed used Baker and Siryk's college adjustment tool. From reviewed correlation studies, mean score of college students' adjustment was 3.25. The related variables with adjustment of college freshmen revealed 20 items, especially self-esteem, self-efficacy, and stress showed important related concepts. The general characteristics related to adjustment of freshmen were outgoing character, living with family, aged students, satisfied with the area of study, and satisfied with school life. The findings of this study indicated that colleges when planning for the freshmen orientation program should focus on improving self-efficacy of students, stress management, mentor program, and freshmen adjustment program for each department of the school and college.
Since Korean housewives are responsible for the dietary practices of family at home, it is important to know what information will make them to buy safe food. This study was designed to determine the role of perceived threats, behavioral assessments, and self-efficacy factors known to promote healthy behavior in health belief models (HBM) based on food safety awareness and behavior of housewives. This study involved 191 housewives, based on key variables such as perceived severity, perceived susceptibility, perceived benefits, perceived barriers, self-efficacy, and purchase behavior. The results showed that higher levels of education and urbanization increased the threat perception and the likelihood of buying safe food. The correlation analysis showed that increased awareness and knowledge of safe foods and interest in health contributed to higher relative benefit or self-efficiency of food, and thus, ensured food safety. The conceptual model of food safety behavior based on the HBM was verified via structural equation analysis. The findings suggest that a suitable model showcasing knowledge levels and relative benefits resulted in a greater impact on purchasing behavior than perceived threats. This study suggests that it is more effective for housewives to provide more preventive information than risk information to purchase safe food.
Mobile games have emerged as the most innovative entertainment technology adding new revenue streams, taking advantage of the potential of wireless consumer applications and service offerings. Mobile games, like any other types of computer game, offer a unique value for users in providing an exciting digital experience in virtual worlds. Players can become empowered through the development of new characters and strategies within games to achieve rewarding successes against the computers and other players. In this paper, we attempt to investigate the factors influencing the usage and acceptance of the mobile games in Korea, based on the extended version of the Technology Acceptance Model(TAM). Based on data collected from survey, we show that perceived usefulness is the major determinant for users to play mobile games. Two factors, including perceived enjoyment and self-expressiveness, are empirically shown to determine perceived usefulness. In addition, perceived ease of use, rewards, operational quality of device, and design/story have been showed to significantly and directly affect perceived enjoyment. It was also confirmed that self-efficacy and operational quality of device are the antecedents of perceived ease of use. Based upon the statistical results, some useful guidelines for game development and market penetration strategies are also provided.
Objective : This study was conducted in order to investigate predictors of smoking cessation in outpatients. Method : Subjects were 40f adult smoking patients who saw their doctors in the outpatient setting at a university hospital, regardless of their willingness of otherwise in smoking cessation. Physicians delivered a brief, stop smoking prompt to all patients who smoked one or more cigarettes a day. Then they referred to on-site counselors who provided a brief, nurse assisted intervention with a survey to a randomly assigned intervention group (200 smoking patients), whom the counselors telephoned later to prevent relapse or promote the motivation to quit, or gave only a survey to a control group (201 smoking patients). After at least 5 months, self-reported current smoking cessation was confirmed later using cut-off values of 7 ppm or less in expired alveolar air after breath holding portable CO analyzer. Results : After 5 months, subjects in the intervention group were 1.56 times (95% C.I. 0.89-2.73) more likely to quit smoking than those in the non-intervention group (14.0% vs. 9.0%). Willingness to quit smoking in a month, scheduled admission in a month, self efficacy score and FTND (Fagerstrom Test for Nicotine Dependence) score were all significantly related with smoking cessation. In stepwise multiple logistic regression, previous attempts to quit smoking were significant instead of self efficacy score. In the intervention group who had willingness to quit smoking in a month (132 smoking patients), FTND score, whether quit date was today, and whether quit promise paper was submitting were all significantly related with smoking cessation. In stepwise multiple logistic regression, scheduled admission in a month and whether quit date was today were significant predictor variables, Smoking cessation treatment should be tailored to individual smoking patients considering these predictors.
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