• Title/Summary/Keyword: Exploratory Analysis

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A Study on the Relation between the Number of First Aid Training and the Performance of Facilities Security Personnel (시설보안요원의 응급처치교육이수와 직무수행 관계에 관한 연구)

  • Kim, Sin-Hye;Han, I-Jun
    • Korean Security Journal
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    • no.59
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    • pp.91-108
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    • 2019
  • The purpose of this study is to investigate the relationship between the number of first aid training and safety performance. The researcher's questionnaire consisted of three variables: necessity of first aid education, application to security practice, and improvement of job satisfaction. In this study, Chronbach's Alpha coefficients were calculated to measure the internal validity for the reliability of the questionnaire. In order to verify the validity of the measured variables, exploratory factor analysis was carried out using the Berimax rotation method. The mean variance extracted AVE and the conceptual reliability CR value of the measurement result variables were both above the allowable reference value of 0.5 and it was judged to be a good test in terms of intensive validity. As a result of the hypothesis test, the standardization coefficient was 1.106 for 'necessity of first aid education ⇒ applied to security practice work', and 'applied to security work practice ⇒ improvement of job satisfaction' was 1.063 and the relationship of hypothesis 1 hypothesis 2 was significant (+), Respectively. Therefore, in order to increase the job satisfaction of security related workers, it is necessary to support first aid education and to receive first aid education.

Summer Precipitation Variability in the Han River Basin within the Context of Global Temperature Gradients (전지구 온도지표를 이용한 한강유역의 여름철 강우특성 변화 분석)

  • Jeong, Min-Su;Kim, Jong-Suk;Moon, Young-Il;Hwang, Sung-Hwan
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.34 no.4
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    • pp.1151-1159
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    • 2014
  • In this study, two global simple indices are used to investigate climate variability and change in observations. Land-Ocean Contrast (LOC) is an index of area-averaged surface temperature contrast between land and ocean. Meridional Temperature Gradient (MTG) is defined as the mean meridional temperature gradient in the Northern Hemisphere from mid to high latitude and sub-tropical zonal bands. These indices have direct or indirect effects on changing in atmospheric circulations and atmospheric moisture transport from north-south or east-west into East Asia (EA). In addition, warm season hydrometeorology in EA is highly associated with water supplies for coupled human and natural systems including drinking water, irrigation, hydropower generation as well as fisheries. Therefore, in this study, we developed an empirical separation approach for summer rainfall from typhoon and monsoon. An exploratory analysis was also conducted to identify the regional patterns of summer monsoon precipitation over the Korean peninsula within the context of changes in different types of temperature gradients. The results show significant and consistent changes in summer monsoon rainfall during the summer season (June-September) in South Korea.

An Exploratory Study for the Church Setting-Centered Health Promoting Program (교회 기반 건강증진 사업 기획을 위한 탐색연구)

  • Park, In-Hyae;Joo, Ae-Ran
    • Journal of agricultural medicine and community health
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    • v.34 no.3
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    • pp.324-333
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    • 2009
  • Objectives: The purpose of this study was to examine the health promoting lifestyle(HPL) practices and to provide the baseline data for development of church setting-centered health promotion program. Methods: For the study, 315 adults were selected from a church in G city by convenient sampling method. The data were analyzed using frequencies, ANOVA, t-test, Duncan test, and Pearson's correlation coefficient with the SPSS/PC program. Results: The mean score on HPL was 3.3. The item of the lowest score HPL was smoking. In the mean score of knowledge, behavior, and practice on HPL, the highest score of knowledge on HPL was drinking, but the highest score of practice was smoking. On the other hand, the highest score of behavior was: exercise, nutrition, stress respectably. Analysis of HPL according to the demographic characteristics showed there was a statistically significant difference by age. Subcategories of HPL showed positive correlations statistically significant: Exercise with nutrition, stress and drinking. Nutrition with stress and drinking. Drinking with stress and smoking. Conclusions: Based on the above findings, it is suggested to develop church setting-centered health promotion program with areas focused on management of stress, antismoking, sobriety, practice in nutrition and exercises.

The Influence of the Introduction of Smart Phone on Using Portal Sites: An Exploratory Study by the Analysis on Smart Phone Users' Web Traffic (스마트폰 도입이 포털사이트 이용에 미친 영향: 스마트폰 이용자의 웹 트래픽 분석을 통한 탐색적 연구)

  • Kim, Wi-Geun
    • Korean journal of communication and information
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    • v.64
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    • pp.109-135
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    • 2013
  • This study is for empirical verification of the influence of the introduction of smart phone on using the portal sites that were affected the most in the previous media environment. To achieve this, Web traffic data that are the result of smart phone users' practical Web uses have collected longitudinally and analyzed. The research results are the following: First, the use hours of portal sites have decreased about 15% and the page views have did about 35%, since using smart phones was diffused and habituated in earnest during the past two years. Using the community, news media, video, mobile, and game section of portal site sections have reduced. Second, the portal site portion of using smart phone Web is much more than that portion of using PC Web. More than two thirds of smart phone Web use traffic occurs in using portal sites, while more than one third of PC Web use traffic does in using that. Using the news media section is the most of using portal site sections on a smart phone. Third, since the introduction of smart phone, using the news media, communication, and life section of portal site sections have greatly increased, while the community, mobile, and game section have greatly decreased in the aggregate.

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Exploratory Research about Maeul Community Media Practice Grounded Theory Based Analysis about Seoul Community Media Practice (마을미디어 실천에 대한 탐색적 연구 서울마을미디어 활동에 대한 근거이론을 통한 분석)

  • Lee, Hee Rang;Kim, Hee Young
    • Korean journal of communication and information
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    • v.81
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    • pp.75-121
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    • 2017
  • Maeul Community Media is community media practice that media education combine with community activism based on the region. Maeul Community Media appeared with Seoul city's supporting policy in 2012 and is now enlarging on a national scale beyond Seoul. This study is aimed at understanding and investigating Maeul Community Media activists' practice process by using a grouned theory approach. In-depth interviews were carried out of study participants who worked on as activists based on visual and radio field since 2012. By open coding based on grounded theory, 16 categories and 59 subcategories were discovered. The outcome of axial coding showed the centeral phenomena that can be called 'sustainable desire for Maeul Community Media act'. On the condition of the instability of public support and the absence of a village channel, the strategic practices were discovered, which are diversification of participants recruitment and modes of participation, invention of space-media, seeking multilateral distribution methodologies and the collective action plans of networks to stabilize the management and to empower Maeul Community Media networks. As a result, Maeul Community Media and civil society were networked by discovering and agenda-setting pending issues. And we could find that the desire and expectation for the role as a village's public sphere were enlarging.

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Evaluation of Travel Time Prediction Reliability on Highway Using DSRC Data (DSRC 기반 고속도로 통행 소요시간 예측정보 신뢰성 평가)

  • Han, Daechul;Kim, Joohyon;Kim, Seoungbum
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.17 no.4
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    • pp.86-98
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    • 2018
  • Since 2015, the Korea Expressway Corporation has provided predicted travel time information, which is reproduced from DSRC systems over the extended expressway network in Korea. When it is open for public information, it helps travelers decide optimal routes while minimizing traffic congestions and travel cost. Although, sutiable evaluations to investigate the reliability of travel time forecast information have not been conducted so far. First of all, this study seeks to find out a measure of effectiveness to evaluate the reliability of travel time forecast via various literatures. Secondly, using the performance measurement, this study evaluates concurrent travel time forecast information in highway quantitatively and examines the forecast error by exploratory data analysis. It appears that most of highway lines provided reliable forecast information. However, we found significant over/under-forecast on a few links within several long lines and it turns out that such minor errors reduce overall reliability in travel time forecast of the corresponding highway lines. This study would help to build a priority for quality control of the travel time forecast information system, and highlight the importance of performing periodic and sustainable management for travel time forecast information.

Rationalization Process for Digital Design and Fabrication -Based on the Case of Fabricating Interior Panels- (디지털 디자인 및 패브리케이션 프로세스의 합리화 과정에 관한 연구 - 인테리어 패널 디자인 및 제작 사례를 기반으로 -)

  • Chang, Soo-Jung;Lee, Hyun-Soo;Lee, Jin-Kook
    • Journal of Digital Contents Society
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    • v.16 no.2
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    • pp.307-316
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    • 2015
  • Although the use of CAD and CAM technologies has been broadly adopted by architecture-engineering- construction-facility management (AEC/FM) industry as the means of producing complex forms, there are still remained issues such as reducing cost, and enhancing quality and manufacturability. In this paper, to resolve given issues, we suggest a process of rationalization in digital architecture design and fabrication as an integrated approach. The rationalization, which is usually used as the term related with the skin panel of free-form architecture, is a process of re-designing a digital model to meet the requirements of manufacturing considering the gap with an original designs. Thus we classified this process and conducted a case study of fabricated models as an exploratory study. As the result, we found that each phase is connected with other phases with the circulation of information and rationalization process can be determined as the circulative process which re-designs digital model by minimally deviating from the original design based on the information deducted from analysis of inter-compatability of software and requirement of hardware.

An Exploratory Study on the Factors Affecting the Welfare Needs of the Rural Marriage Migrant Females (농촌 결혼이주여성들의 복지욕구 영향요인에 관한 탐색적 연구)

  • Lee, Young-Boon;Choi, Seung-Hee;Song, In-Seok
    • Korean Journal of Social Welfare
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    • v.62 no.3
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    • pp.163-191
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    • 2010
  • The purpose of this study is to explore the factors affecting the welfare needs of the rural marriage migrant females. A survey was conducted on 300 rural marriage migration females using probability sampling and for the analysis stepwise regression was used. The major findings of this study can be summarized as follows. The welfare needs of counselling on husband' behavior problem were higher in cases of worse mental health, better physical health, younger age and lower participation in the meetings with her fellow countrymen. The welfare needs on the children raising and education were relatively higher among the migrant females from Vietnam and younger age. The needs on the job skills training were lower in cases of the migrant females from Philippines, China(the Chinese) and were higher in cases of lower level of family understanding. The welfare needs on the job placement were higher among older and lower community affinity, and were lower in cases of the migrant females from Philippines. The results suggest that the welfare services should be differently provided to the migrant females in reflection of the age, education level, nationality and community resources. Further, the mental health screening test and treatment services for migrant females are needed since the welfare needs increase when the migration females have worse mental health condition.

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Effects of Preoperative Psychological fare on Postoperative Recovery - An Exploratory Experiment - (수술 전 심리간호가 회복에 미치는 효과에 관한 실험적 연구)

  • 김조자
    • Journal of Korean Academy of Nursing
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    • v.2 no.1
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    • pp.97-113
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    • 1971
  • The purpose of this study was to investigate the preoperative anxiety of surgical patients and to observe the effects of an experimental nursing process on the incidence of vomiting, the number of analgesics used and the voiding ability of surgical patients within a 48 hour postoperative period and also the number of postoperative days in the hospital. This study me based on a sample of 51 patients who were scheduled for abdominal surgery. They were assigned alternately to experimental and control groups. Patients assigned to the experimental group were given nursing care by the writer, using an experimental nursing process. This is a process directed toward helping the patient obtain a suitable psychological state for surgery. This process was performed by use of the following steps: 1. The nurse approached the patient with interest and concern, and observed the patient's behavior to determine the presence of anxiety. 2. The nurse explored further to find out what was causing the anxiety and what was needed too relieve it. 3. The nurse listened carefully lo the patient. 4. The nurse gave an opportunity for expression of individuality. 5. The nurse showed friendliness and reassured the patient 6. The nurse gave instruction about deep berating, turing and coughing and gave an explanation of routine preoperative preparation which decreased the unknown and so decreased the patient's anxiety- The findings of this study are as follows: 7. The investigation of preoperative anxiety through observing and interviewing revealed patients were concerned about the following: a. Length of stay in the hospital 69.7% (31 cases) b. Condition unimproved o. worse 48.,8% (30 cases) c. Postoperative pain and discomfort .56.8% (29 cases) 2. The results of the study regarding the four hypothesis were as follows: a. Preoperative psychological care not reduce the number of analysis needed during the 48 hour period following surgery. b. Preoperative psychological care did not reduce the Postoperative incidence of vomiting c. Preoperative psychological care had no influence on voiding ability following surgery. d. Preoperative psychological care significantly reduced the number of postoperative days in tile hospital. The experimental nursing process proved to be successful in decreasing the length of postoperative hospitalization (improving rate of healing). This study has demonstrated further that the relief of anxiety (emotional distress) is part of the nurse's professional role. In order to be sure psychological care is given it is important to make a nursing care plan which .includes a plan for the psychological care needed by the patient. As this care is given it can be charted off by each nurse just as medication and treatments are checked after they are given.

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Leisure Constraints and Negotiation based on the Marital Status in Career Women (직장여성의 결혼에 따른 여가제약과 여가제약협상)

  • Kim, Hongseol;Lee, Munjin;Hwang, Sunhwan
    • The Journal of the Korea Contents Association
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    • v.15 no.1
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    • pp.242-251
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    • 2015
  • The purpose of this study was to explore leisure constraints and the strategies to overcome leisure constraints of career women, and to examine the difference in leisure constraints and leisure constraints negotiation strategies between married and unmarried career women. In Seoul, a total of 440 career women selected using the cluster quota sampling method participated in the current study. Finally, 433 responded data with the exception of 7 unreliable surveys were employed for the analyses such as frequency, exploratory factor, reliability analysis, and t-test. Main findings were as follows; First, six factors including interpersonal, intrapersonal, time, expense and information, environmental, and physical constraints were extracted for career women. Environment and time commonly constrained their participation in leisure activities the most. Second, five factors including skill acquisition, finding alternative activity, control intensity, finding partners, and financial and time management strategies were extracted for them. Third, there were the differences in time and physical constraints between two groups and married career women's constraints were higher than singles. Finally, there was the difference in skill acquisition strategy and married career women's it was higher than the other group.