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김지유 ( Kim Ji-yu ),조희선 ( Cho Hee-sun ) 한국가족관계학회 2018 한국가족관계학회지 Vol.23 No.3
Objectives: The objectives of this study were to classify never-married types of adult men and women and explore factors related to these types. Never-married types were categorized into 4 types according to continuity and voluntariness: continuous voluntary type; changed voluntary type; continuous non-voluntary type; and changed non-voluntary type. Factors related to types of being single were examined in terms of socio-demographic factors, individual and psychological factors (self-esteem, depression), dating relationship factors (current relationship status), original family factors (parental conflict, relationship with parents, parents’ demand for marriage), marriage related factors (division of roles after marriage), and occupation related factors (work values, employment instability). Method: As for research method, a survey was conducted with never-married adult men and women between the ages of 35 and 49 living in Seoul, Gyeonggi or Incheon areas. Of 300 copies of questionnaire distributed, data from 295 copies were processed using SPSS 24.0 program for multinomial logit analysis. Results: The study results showed that, of never-married men respondents, continuous voluntary type accounted for 20.5%; changed voluntary type 18.9%; continuous non-voluntary type 49.6%; and changed non-voluntary type 11.0%. It was found that the factors related to continuous non-voluntary type among never-married men are age, religion, average monthly income, while the factors related to changed voluntary type are religion, self-esteem, depression, and frequency and strength of parental conflict, while the factor related to changed non-voluntary type men was living with parents. Examining never-married women respondents, it was found that, continuous voluntary type accounted for 33.9%; changed non-voluntary type 19.6%; continuous non-voluntary type 22.6%; and changed voluntary type 23.8%. The factor related to continuous non-voluntary type among never-married women was parents' demand for marriage, while the factors related changed voluntary type were age, depression and strength of parental conflict. Also, the factors related to changed non-voluntary type of never-married women were age, religion, living with parents, depression and parents' demand for marriage. Conclusion: In conclusion, it was found that continuous non-voluntary type formed the largest group among never-married men, whereas continuous voluntary type was the majority in never-married women. Both never-married men and women chose to remain single when they are living with their parents and their parental conflict is intense. Parents' demand for marriage was related to women, but not to men.
Bass 확산모델을 이용한 수소전기차 내압용기 검사수요 예측
김지유(Ji-Yu Kim),김의수(Eui-Soo Kim) 한국가스학회 2021 한국가스학회지 Vol.25 No.3
지구온난화 문제가 대두되어 세계 각국에서 수소전기차와 같은 친환경 자동차 보급이 증가하는 추세이다. 한국은 수소전기차 초기 시장 형성을 위해 차량 구매 시 보조금 지원, 세금감면 등 전폭적으로 지원하고 있다. 수소전기차 안전성에 있어 중요 핵심은 수소를 저장하는 내압용기로 정기적으로 검사해야 하나 기존 내압용기 검사소만으로는 수소전기차 내압용기 검사수요를 감당하기에는 역부족인 상황으로 수소전기차의 안전관리를 위한 내압용기 검사소 구축이 가장 중요하다. 이에 본 연구에서는 전기차 판매 데이터를 이용하여 Bass 확산모델의 혁신 및 모방계수를 추정하고, 이를 Bass 확산모델에 적용하여 수소전기차의 지역별 보급 대수 및 수소 내압용기 검사수요를 예측하였다. 그 결과 2040년 국내 수소전기차 검사수요는 690,759대로 이를 대비하기 위해서는 191개소의 신규 수소전기차 내압용기 검사소와 검사인력 1,124명이 필요한 것으로 확인되었다. The global warming problem has arose, the supply eco-friendly vehicles such as HFCEVs is increasing around world and Korea is fully supporting subsidies, tax cut to form an initial market for HFCEVs. The key to the safety of HFCEVs is pressure vessels stored hydrogen, and although these pressure vessels must be inspection regularly, the existing inspection stations are insufficient to meet the demand for inspection. Therefore, it is important to establishment of pressure vessels inspection station for safety management of HFCEVs. In this study, it estimates innovation coefficient, imitation coefficient in Bass model by using electric vehicle sales data, and foretasted the supply of HFCEVs by region & the demand for inspection by region using the Bass diffusion model. As a result, the inspection demand for pressure vessels in HFCEVs in 2040 was 690,759 units, and it was confirmed 191 new inspection stations and 1,124 inspectors were needed to prepare for this.
김지유(Ji-Yu Kim) 한국공공디자인학회 2022 공공디자인연구 Vol.5 No.-
다양화, 다변화되는 도시환경 속 교통수단의 발달도 일어나며 운전자 및 보행자의 교통안전에 대한 중요성은 지속적으로 부각되고 있다. 기초지자체에서는 공간적 관리 차원의 현실적인 도시환경의 문제점을 반영하여 실행계획 중심의 진흥계획을 수립하고 있어 전략 사업을 고찰하는 것이 매우 중요하다. 부천시는 인구밀도가 많은 지역으로 문화적 관점의 발전을 이루고 있는 도시로서 보행자 교통사고, 어린이, 노인 등 다양한 계층의 사고예방을 위해 경철서와 적극적인 협업을 통해 안전 환경을 조성하려 노력하고 있으므로 연구대상으로 선정하여 고찰하였다. 교통안전디자인 사업을 평가하기 위해 안전디자인 원칙과 공공디자인 사업 평가지표를 범주화하여 요소를 도출하여 평가하였으며, 부천시는 어린이보호구역 내 교통안전사항을 제외한 모든 교통안전 전략 사업의 대응 현황이 미미한 것으로 나타났다. 이에 교통안전디자인 전략사업을 수립하는 경우 안전이라는 사항을 우선적으로 평가할 수 있는 지표가 필요하다는 결론을 도출하였다. The development of transportation in the diversified and diversified urban environment also occurs, and the importance of traffic safety for drivers and pedestrians continues to emerge. It is very important to consider strategic projects as basic local governments are establishing promotion plans centered on implementation plans by reflecting the problems of the realistic urban environment at the spatial management level. Bucheon-si is a densely populated city and is developing a cultural perspective, and it is trying to create a safe environment through active cooperation with the light rail department to prevent accidents of various classes such as pedestrian traffic accidents, children, and the elderly. In order to evaluate traffic safety design projects, elements were derived and evaluated by categorizing safety design principles and public design project evaluation indicators, and Bucheon-si showed insignificant response status for all traffic safety strategic projects except for traffic safety in child protection zones. Therefore, when establishing a traffic safety design strategic project, it was concluded that an indicator that can preferentially evaluate the matters of safety is needed.
대학생의 이성 관련태도 및 결혼가치관과 결혼이미지가 결혼기대연령에 미치는 영향
김지유 ( Ji Yu Kim ),조희선 ( Hee Sun Cho ) 한국가족관계학회 2014 한국가족관계학회지 Vol.19 No.2
In Korea, the phenomenon of low birthrate is getting intensified as people delay their first marriage much longer. This study aims to investigate the college students’ expected age of marriage. Particularly, to find out the effect of college students’ dating relationship, marriage perspectives and marriage images on expected age of marriage, a survey was conducted on 934 students from 4 colleges in Seoul and Chungnam. Then, by using SPSS Window 18.0 Program, this study conducted a hierarchical regression analysis while calculating the average and standard deviation.. The results of this study can be summarized as follows; Firstly, the expected age of marriage was found to be 30.7 years old in male students, which was higher than 29.5 years old in female ones. Secondly, the experience of dating relationship and the necessity of marriage were found to be higher in male college students than in female ones, and in marriage perspectives, male students showed a higher exclusive marriage perspective, while female ones showed a higher conservative-instrumental marriage perspective, and male students showed a higher level of marriage images than female ones. Thirdly, in influences on the expected age of marriage, both male and female students showed a higher expected age of marriage as they found marriage more necessary and had better marriage images. Particularly, it was found that the expected age of marriage became higher as male students had lower stable-romantic marriage perspective and exclusive marriage perspective, while female ones had a lower stable-romantic perspective.