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Parents’ marital disruption and children’s educational aspiration in Korea
Keuntae Kim(김근태),Jeong-Yoon Jang(장윤정),Doohwan Kim(김두환) 한국교육개발원 2019 KEDI Journal of Educational Policy Vol.16 No.2
In this study, we analyze how parents’ marital dissolution can affect their children’s educational aspiration from sixth to twelfth grades, using the Korean Educational Longitudinal Study of 2005 (KELS:2005). Results from a two-level growth-curve model indicate that the effect of parents’ divorce on children’s educational aspiration is significantly more detrimental than a parents’ death is. For both genders, the gap in educational aspirations between adolescents with married parents and those with divorced parents becomes larger over time. But, this differential appears to be more pronounced among girls than boys. Also, parents’ socioeconomic resources raise the initial level of educational aspirations, but they do not affect post-divorce changes. 이 연구는 2005년 한국교육종단연구 (KELS: 2005) 자료를 활용하여 부모의 이혼이 초등학교 6학년에서 고등학교 3학년까지 자녀의 교육 포부에 어떻게 영향을 미치는지 분석하였다. 2단계 성장 곡선 모델의 결과에 의하면 부모의 이혼이 부모의 사망보다 자녀의 교육적 열망에 미치는 영향이 더 부정적인 것으로 나타났다. 남학생과 여학생 집단에서 결혼 상태를 유지한 부모를 둔 청소년과 이혼한 부모 사이의 교육 포부의 격차는 시간이 지남에 따라 확대되는 것으로 밝혀졌다. 또한 이러한 격차는 남학생들보다 여학생들 사이에서 더 뚜렷하게 나타나는 것이 발견되었다. 한편 부모의 사회경제적 자원은 초기 수준의 교육적 열망을 높이는 효과가 있지만, 이혼 후 변화 양상에는 영향을 미치지 않는 것으로 나타났다.
Premarital Pregnancy and Subsequent Childbirth in Korea
Keuntae Kim,Doo Hwan Kim 서울대학교 사회발전연구소 2018 Journal of Asian Sociology Vol.47 No.1
This study examines the relationship between premarital pregnancy, which has more than tripled over the past two decades, and second and third childbirth. Though premarital pregnancy has been reported to increase the preterm birth and elevate the risk of low birth weight, systematic research on this phenomenon is still lacking. In order to overcome the limitations of previous research, the present study analyzed the time taken until the birth of the second and third children using the first through sixth wave of the Korean Longitudinal Survey of Women and Families and the Cox regression analysis model. Results indicated that premarital pregnancy increased the hazard of second child birth by 13.3% compared to post-marital pregnancy. However, premarital pregnancy does not show a significant effect on the risk of birth of the third child. The trivial effect of premarital pregnancy on the hazard of birth of the third child might be related to that only women who have already undergone two successful pregnancies are at risk of having a third child. On the other hand, premarital pregnancy is more likely to be observed among women with low educational attainment and in young ages than among women with higher education and in older ages, and this may exacerbate social inequality over the long term.
Determinants of Interregional Migration Flows in Korea by Age Groups, 1995-2014
Keuntae Kim(김근태) 서울대학교 사회발전연구소 2015 Journal of Asian Sociology Vol.44 No.3
Despite the growing importance of interregional migration at the local level in rapidly aging society, past literature overlooked the relationship between these two demographic phenomena. To better understand the determinants of interregional migration and its implications for population aging, this study estimated fixed-effects models derived from the gravity model of migration using population registration data. Contrary to theoretical expectation, economic determinants of migration showed similar patterns across three age groups. Other than the effect of crude marriage rate for young age group, life course variables showed inconsistent effects on migration. Trends in migration flows by geographical regions indicated that some provinces are in double jeopardy because their elderly population is increasing while the young population decreases. Visual inspection of migration systems drawn from social network analysis suggested that migration streams between Seoul and Gyeonggi overwhelms all other regions and that Ulsan and Jeju are isolated throughout the periods.
Who Lives Longer and Healthier? The Role of Personality, Facial Attractiveness, and Intelligence
Keuntae Kim 한국사회학회 2014 韓國社會學 Vol.48 No.6
Despite considerable evidence suggesting that physical characteristics, such as facial attractiveness, and psychological characteristics, such as personality and intelligence, are associated with mortality and health, few studies have integrated these factors into a single model. Using data from the Wisconsin Longitudinal Study (WLS), the present study explores which, and to what extent, individual characteristics are associated with various dimensions of health. Moreover, this study compares and contrasts the results from the WLS with results from the Americans’ Changing Lives (ACL) study. Results from parametric proportional hazard regressions indicate that, even after accounting for SES and health behavior risk factors, two personality traits ? neuroticism and openness ? matter for men’s mortality in the WLS. Also, higher levels of physical attractiveness significantly reduced the hazard of mortality for women. However, intelligence had a trivial effect on all health outcomes in both sexes. Similar patterns were observed in the ACL.
The Effect of Personality Traits, Physical Attractiveness, and Intelligence on Reproductive Behavior
Keuntae Kim 한국사회학회 2015 韓國社會學 Vol.49 No.6
Reproductive behavior is a complex process involving psychological, biological, and social influences throughout individual’s life. Yet, to date, most research on determinants of fertility has treated these factors simply as the unobservable. Using three large longitudinal studies, the current study estimates the effects of personality traits, physical attractiveness, intelligence, and SES on transition to parenthood and on number of children ever born. Analyses results indicated that, among the personality traits, extraversion significantly accelerates childbearing among both sexes. Moreover, extraversion was found to be positively associated with number of children born during the reproductive career. Openness was found to significantly reduce the odds of transitioning to parenthood and size of completed fertility among women. The present study also provides support for the strong and positive correlation between physical attractiveness and reproductive success even among contemporary populations. Finally, the effect of intelligence on fertility were inconsistent across samples and between genders.
그리드 기반 가상대형장비실험을 위한 통합데이터베이스 시스템의 설계 및 구현
김근태(Keuntae Kim),김한준(Han-joon Kim) 한국정보과학회 2006 한국정보과학회 학술발표논문집 Vol.33 No.1
본 눈문에서는 그리드 기술과 웹 서비스 기술을 이용하여 원격지에 위치한 고가의 대형 실험장비와 데이터 공유를 위한 통합데이터베이스 시스템을 제안한다. 제안된 통합데이터베이스 시스템은 오픈 분산 컴퓨팅 환경을 통해서 지리적으로 분산되어있는 전체 실험시설들의 실험장비와 데이터베이스를 총괄 관리한다. 또한 인증과 권한 기능을 도입하여, 인증 받은 실험자에게만 권한 별로 차등하여 실험장비 이용과 데이터베이스의 접근을 제공하며, 공유된 실험결과데이터에 대해서 효율적인 검색과 데이터의 다운로드, 실험결과 그래프를 제공한다. 국내 6개의 건축대형장비를 연결하는 통합시스템의 프로토 타입의 개발을 통해 가상대형장비실험의 효용성을 확인하였다.