• Informatization Policy
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• v.27 no.1
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• pp.36-54
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• 2020

This study empirically analyzes the impact of digital divide between digital device usage motivation and operational skills on online political participation. The analysis was performed using the National Information Society Agency's 2018 digital divide survey data from September to December 2018 and applying the Heckman selection model to control the sample selection bias that may occur between internet users and non-users. The result shows the gap in motivation and device operational skills of individual citizens using digital devices has significant impact on online political participation. In socio-economic terms, it shows the age, education level and regional factors also have significant impact on online political participation, while gender and income levels do not. This study holds significance in that there are different patterns of digital divide between digital devices, identifying the motivation to use a digital device as an important factor for mobile device users, and the device operational skills, for personal computer users.

• Fire Science and Engineering
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• v.25 no.2
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• pp.144-148
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• 2011

In this study I investigated that fire fighters utilize fire facilities properly or not, and found problems and solutions with interview and questionnaire. Fire fighters tend to utilize portable instruments. 62% of fire fighters have used fire facilities which is installed in building. The most useful facility is indoor fire hydrant, 42% of fire fighters have used that. The primary reason to avoid to use facility is that they think the facilities are not good at quick response. Almost fire fighters want improvement to enhance utilizing fire facilities. Finally in the fire scene, commander's initiative, fire fighter's ability, easiness of utilizing fire facilities, and fire fighter's creditibility about fire facilities are related to the degree of utilizing fire facilities.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.20 no.10
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• pp.107-116
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• 2019

The defense industry has recently been developed for boosting exports of weapon systems. The survey and analysis of the quality level are required to form a relevant policy for expanding the defense industry. Evaluation indices and modeling of the quality level for manufacturers are used to examine the status of internal quality management and quality management system in order to enhance the overall quality level and establish a quality policy in the field of military supplies. There were some restrictions to apply all aspects of the quality level in the previous model. This paper deals with the research and analysis of other types of model for evaluating the quality level, including the model used in the defense field. By enhancing the close link between procedure indices and performance indices, the research and analysis could be conducted objectively and intuitively. The developed and improved model and indices will be used in the next survey of the quality level for manufacturers of military supplies. The survey results will be used to establish effective government quality management policy.

• Communications of Mathematical Education
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• v.37 no.4
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• pp.615-633
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• 2023

This study analyzed Korean studies up to August 2023 to suggest the direction of future research on basic academic abilities in mathematics. For this purpose, frequency analysis and LDA-based topic modeling were conducted on the Korean abstracts of 197 domestic studies. The results showed that, first, 'academic achievement', 'impact', 'effect', and 'factors' were all ranked at the top of the TFs and TF-IDFs. Second, as a result of LDA-based topic modeling, five topics were identified: causes of basic academic abilities deficiency, learning status of math underachievers, teacher expertise in teaching math underachievers, supporting programs for math underachievers, and results of National Assessment of Educational Achievement. As a direction for future research, this study suggests focusing on the growth of math underachievers, systematizing the programs provided to students who need learning support in mathematics, and developing teacher expertise in teaching math underachievers.

• Journal of dental hygiene science
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• v.2 no.1
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• pp.39-45
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• 2002

Our study shows the following results of the patterns and reality of oral health of 862 Government employees and private school employees who had received oral examinations from April to May, 2000. For the exposition of each group to dental service, the male groups(37.4%) were more exposed than the female ones(30.0%, p<0.05), while the scaling experience results indicated that more ages mean more scaling(the over 50 year group 27.1%, 41-50 group 23.9%, 31-40 group 20.5%, 21-30 group 10.8%, p<0.001). The data involving sweet food and refreshments revealed that 'positive respondents' in the male groups were 19.7% with 12.5% positive in the female ones, and 'negative respondents' were 32.3% and 51.0% in the male and female groups respectively(p<0.001). For the oral odor, the male groups(37.9%) are more severe than the female ones(25.5%, p<0.01). The results of dental caries revealed that 19.1% of the male and 13.9% of the female said 'yes'(p<0.05), with 25.1% of the male and 11.1% of the female suffering from missing teeth(p<0.001); 77.4% of the male and 51.0% of the female from periodontal disease (p<0.001).

• Environmental Mutagens and Carcinogens
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• v.23 no.2
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• pp.51-55
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• 2003

Benzo(a)pyrene and bisphenol A have been classified as endocrine disrupting chemicals (EDCs), which have been of concern in toxicology and environmental sciences. Benzo(a)pyrene and bisphenol A were monitored by HPLC or GC-MS in Baekwoon and Ilwirl lakes of Kyonggi-Do province to investigate contamination levels of EDCs. During the period between June, 2000 and August, 2000, water samples were collected from four different sites of each lake once per month. Contamination levels of benzo(a)pyrene were 3.27~4.25 ppb in Ilwirl lake and 2.00~2.33 ppb in Baekwoon lake, respectively. Bisphenol A levels were detected with the range of 0.33~7.94 and 0.43~4.71 for Baekwoon lake and Ilwirl lake, respectively. pH levels were higher in Ilwirl lake than in Baekwoon lake, where the contamination was relatively lower. These data suggest that lakes in Kyonggi-Do province could be contaminated with EDCs and be subjected to the routine monitoring and water quality control.

• The Bulletin of The Korean Astronomical Society
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• v.38 no.2
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• pp.101.1-101.1
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• 2013

심화 지구과학 교과서는 과학 계열 고등학교 학생들을 대상으로 지구과학 심화 내용에 대한 다양한 탐구 활동을 통하여 개념과 원리, 탐구 기능 창의적 문제 해결력 그리고 과학적 태도를 함양함과 동시에 대학에서 학문을 연구하는데 필요한 기본적인 능력을 기르는데 필요한 지식 및 탐구 방법을 습득할 수 있도록 실험서 형태로 내용을 구성하였다. 총 5개 대단원 중 우주 속의 지구에는 푸코진자, 시간과 역, 태양계, 달을 대상으로 한 직접 실험과 CLEA와 실제 관측 자료를 활용한 별의 일생, 성단과 변광성, 외부 은하, 그리고 허블의 법칙을 실험실에서 실습해볼 수 있도록 안내하고 있다. 2011년 8월 초판 발간으로 지금까지 20개 과학 고등학교에서 채택되어 2614명의 학생이 이용하였고, 현재 활용 실태 조사 결과를 바탕으로 수정작업이 이루어지고 있다.

• 대한예방의학회:학술대회논문집
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• 1995.10a
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• pp.89-90
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• 1995

• Proceedings of the Korean Operations and Management Science Society Conference
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• 2000.04a
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• pp.577-580
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• 2000

종합병원에서는 많은 환자들의 데이터를 효과적으로 관리하기 위해 각종 자료를 전 산화하고 있으며, 그곳에서 근무하는 간호사들은 VDT (Visual Display Terminal) 앞에서 작업시간의 대부분을 보내야만 한다. 간호사들의 요통 유병률이 타 직종에 비해 높은 편이며, 업무와 관련해서 경험한 요통이 간과되는 경향이 있고, 사고보고를 하지 않는 경우가 많아서 실제의 요통 발생률은 보고된 것보다 더 높을 수 있다［1］는 연구결과가 발표된 바 있으며, 이러한 이유에는 여러 원인이 있겠으나, 그 중에서 특히 VDT작업을 하는 간호사들과 작업환경과의 관계를 규명해 보고자 서울 지역의 일부 종합병원 VDT(Visual Display Terminal) 작업 간호사들을 대상으로 실태조사를 하였다. 본 연구의 목적은 VDT 작업 간호사들의 설문지 응답과 직무분석 그리고 작업자세와 작업환경조건 등을 고려하여 VDT증후군에 대한 위험요인을 파악하고, VDT 관련 직업병 예방대책을 마련하고자 하였다. 설문지 분석결과 종합병원 간호사들의 근무환경 및 업무활동과 통증발생 결과간에 관련성이 있음을 알 수 있었다. RULA 프로그램 분석결과인 Level 5가 나왔으며, 이는 3단계 위험수준을 가리키는 것으로 곧 작업환경을 바꾸어야 하는 것으로 나타났다.

• Culinary science and hospitality research
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• v.7 no.3
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• pp.241-262
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• 2001

The purpose of This study is focused on the directions to improve the performance evaluation of cooks working in the primary school by searching for present job satisfaction and job description. Most of the employees' are women-cook and there were no man-cook in school feeding. This fact indicates that the foods which serving by school are not properly developed for the direction of taste and menu variations in the future. Most of married housewives were dissatisfied with long working hours, short break-time, dirty toilet, and other working conditions. And they were also complained of limited job performance in spite of their capacity and knowhow. In order to solve above-mentioned problems, School feeding is, needless to say, very important meal-program for the children and nations, therefore, The authorities concerned give much attention to solve their needs gradually. A real custom that help employees will conducted for the satisfaction of students, If so, really good quality of food service to younger students will be realized.