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이승헌,박설우,유동우,김동현,Lee, Seung-Heun,Park, Seol-Woo,Yoo, Dong-Woo,Kim, Dong-Hyun 한국세라믹학회 2014 한국세라믹학회지 Vol.51 No.6
Air-cooled slag showed grindability approximately twice as good as that of water-cooled slag. While the studied water-cooled slag was composed of glass as constituent mineral, the air-cooled slag was mainly composed of melilite. It is assumed that the sulfur in air-cooled slag is mainly in the form of CaS, which is oxidized into $CaS_2O_3$ when in contact with air. $CaS_2O_3$, then, is released mainly as $S_2O{_3}^{2-}$ion when in contact with water. However, the sulfur in water-cooled slag functioned as a constituent of the glass structure, so the$S_2O{_3}^{2-}$ ion was not released even when in contact with water. When no chemical admixture was added, the blended cement of air-cooled slag showed higher fluidity and retention effect than those of the blended cement of the water-cooled slag. It seems that these discrepancies are caused by the initial hydration inhibition effect of cement by the $S_2O{_3}^{2-}$ ion of air-cooled slag. When a superplasticizer is added, the air-cooled slag used more superplasticizer than did the blast furnace slag for the same flow because the air-cooled slag had higher specific surface area due to the presence of micro-pores. Meanwhile, the blended cement of the air-cooled slag showed a greater fluidity retention effect than that of the blended cement of the water-cooled slag. This may be a combined effect of the increased use of superplasticizer and the presence of released $S_2O{_3}^{2-}$ ion; however, further, more detailed studies will need to be conducted.
베이비붐 세대의 경제적 준비가 삶의 만족도에 미치는 영향
박명아 ( Park Myeong A ),조시울 ( Cho Si Wool ),신혜리 ( Shin Hyeri ),박설우 ( Park Seol Woo ),김영선 ( Kim Young Sun ) 한국연금학회 2017 연금연구 Vol.7 No.1
최근 우리나라의 베이비붐 세대가 본격적인 은퇴를 시작하면서 베이비붐 세대의 노후준비와 삶의 질이 중요한 사회적 이슈가 되고 있다. 본 연구에서는 국민노후보장패널 5차 자료(2013년)를 이용하여 베이비붐 세대의 경제적 준비가 삶의 만족도에 미치는 영향을 살펴보고자 한다. 인구사회학적 요인을 통제하고 독립변수를 공적 경제적 준비 요인과 사적 경제적 준비 요인으로 나누어 다중회귀분석(multiple regression analysis)을 실행한 주요 결과는 다음과 같다. 첫째, 사적 경제적 준비요인 중 개인연금에 가입했을수록, 금융소득이 있을수록, 가계 총소득이 많을수록, 근로소득이 있을 수록 삶의 만족도 수준이 높은 것으로 나타났다. 둘째, 대표적 공적 경제적 준비 요인인 공적연금은 삶의 만족도에 유의미한 영향을 주지 않는 것으로 나타났다. 본 연구는 베이비붐 세대의 삶의 만족도 향상에 필요한 경제적 요인들을 분석함으로써 새로운 복지 패러다임을 위한 구체적인 기초자료를 제시하는데 함의가 있다. Preparation for old age and the quality of life are receiving major attention as baby boomers of Korea recently start to retire. The purpose of this study is to examine the effects of financial preparation of baby boomers on satisfaction with their life using Korean Retirement and Income Study`s fifth data(2013). For this study, multiple regression analysis was executed. The results of the analysis separating the independent variable into public economic preparation and personal economic preparation, and controlling socio-demographic factors are as follows. Regarding to personal factors, satisfaction with life appeared to be higher when one was affiliated with private pension and had an earned income or financial income. However, it was revealed that public pension which was a public factor was not associated with satisfaction with life. The study suggests concrete basic data for new welfare paradigm by analyzing economic factors necessary to improve satisfaction of baby boomers with their life.
자국은행과 외국계 은행 이용자들의 서비스품질-고객만족도-고객충성도 구조에 대한 정보비대칭성의 조절효과 연구
양오석(Oh Suk Yang),박설우(Seol Woo Park) 한국경영학회 2014 한국경영학회 통합학술발표논문집 Vol.2014 No.8
The main purpose of the paper is to examine the direct effect and moderating effect information asymmetry has in customers’ preference of domestic banks than foreign banks. and foreign bank customers to collect data using 7-point Likert scale. The paper conducted personal interviews in order to increase reliability, and expanded subjects of the study with diverse and wide range of age, gender, occupation, and income level in order to surpass the limits from convenience sampling method and enhance level of generalization. The paper ultimately acquired survey data of total 1,000 subjects, and improved reliability by eliminating undependable samples. The results from testing three hypotheses, hypothesis 1 (Higher the customers’ evaluation of perceived service quality of bank, customer satisfaction is positively related), hypothesis 2 (Higher the customers’ perceived satisfaction level, customer loyalty is positively related), and hypothesis 3 (the relationship between customers; perceived satisfaction level and customer loyalty is moderated negatively by information asymmetry) are all supported. Thereby, the paper gives business implications; satisfaction level (+) from bank’s interaction quality, outcome quality, and physical environment quality reinforces customer royalty; customer demand both expectation satisfaction and needs satisfaction from bank service; moreover, customer satisfaction level is completed when consumption related sentiments such as favorableness and content are fulfilled. In addition, despite similar services by other banks, bank customers have strong tendency to continue to use the bank they have been using (attitudinal loyalty) and strong tendency to recommend the bank they have been using to other people (behavioral loyalty). Lastly, since bank customers prefer domestic banks to foreign banks due to information asymmetry, bank managers should provide sufficient information such as reliability, soundness, banks activities (social contribution and such), and bank services.
노쇠와 과부담의료비의 관계에서 건강정보이해능력의 조절효과
조성은 ( Cho Sung Eun ),김수경 ( Kim Su Kyoung ),이수림 ( Lee Soo Lim ),신혜리 ( Shin Hye Ri ),박설우 ( Park Seol Woo ),( Lee Hee Yun ),김영선 ( Kim Young Sun ) 이화여자대학교 사회복지연구소 2017 사회복지 실천과 연구 Vol.14 No.2
본 연구는 노쇠(frailty)와 과부담의료비 간의 관계에서 건강정보이해능력(health literacy)의 수준이 조절효과를 가지는지를 검증하고자 하였다. 2016년도에 실시한 치매이해능력 설문조사(2016 Dementia Literacy Survey)를 사용하였으며 총 457명을 분석의 대상으로 설정하였다. 연구 결과는 다음과 같다. 첫째, 노쇠와 건강정보이해능력과 과부담의료비 간의 정적인 연관성을 가지는 것으로 나타났다. 즉, 노쇠할수록 건강정보이해능력 수준이 낮을수록 과부담의료비의 수준이 높아짐을 확인하였다. 둘째, 건강정보이해능력은 노쇠와 과부담의료비 간의 관계를 조절하는 것으로 밝혀졌다. 연구결과를 바탕으로 한 제언은 다음과 같다. 첫째, 건강정보이해능력의 조절효과가 특히 전노쇠집단에서 유의미한 영향력을 미쳤다는 연구결과는 영양 및 운동을 주요 내용으로 하는 노쇠 중재 프로그램에서 건강정보이해능력 증진교육이 함께 포함되고 강화 될 필요성이 있음을 의미한다. 둘째, 취약계층일수록 과부담의료비가 높아진다는 결과를 통해 적극적인 보장성 강화 정책이 필요하다. 본 연구는 전국노인을 대상으로 확률표집을 실시한 대표성 있는 데이터로 노쇠와 과부담의료비와의 관계 및 건강정보이해능력의 조절효과를 입증하였다는 것에 의의를 가진다. The study investigates the moderating effects of health literacy on the relationship between frailty and catastrophic health expenses. 457 respondents of 2016 Dementia Health Literacy Survey were analyzed. The results of the research are as follows. First of all, both frailty and health literacy have positive effects on catastrophic health expenses. That is, the more frail one is, or the lower health literacy one has, the bigger the catastrophic health expenses become. Secondly, health literacy has moderating effects on the relationship between frailty and catastrophic health expenses. The results which prove catastrophic health expenses increase when one belongs to the vulnerable group suggest that, firstly, the coverage of the health policy should expand. Secondly, a program promoting health literacy should be included in the intervention for the frail elderly which currently focuses only on nutrition and exercises. This is suggested based on the results proving the moderating effects of health literacy on the whole frail group. This study is meaningful in that it shows the moderating effects of health literacy on the relationship between frailty and catastrophic health expenses with the data represents the elderly nationwide.