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학업성취에 대한 학생 사회경제적 구성의 효과: 계층에 따른 차별적 효과를 중심으로
장희원,김경근 한국교육학회 2015 敎育學硏究 Vol.53 No.2
Drawing on first-third wave data from Seoul Educational Longitudinal Study(SELS), this study attempts to examine the effect of school population socioeconomic composition on individual academic achievement focusing on the moderating effect of individual socioeconomic status(SES). Our hierarchical linear modeling(HLM) results show that the heterogeneity of socioeconomic composition, which is measured by standard deviation of SES of school population, does not wield a statistically significant influence on individual academic achievement. However, school mean SES noticeably exerts a significant impact on individual academic achievement. In addition, cross-level interaction effect between individual SES and school mean SES, which is taken into account to analyze how the school composition effect varies by individual SES, suggests that students with higher SES benefit more from a higher school mean SES than students with lower SES, thereby widening the gap of academic achievement between the upper and the lower class in schools with higher SES. Based on the findings, policy implications are briefly discussed. 본 연구는 서울교육종단연구 1∼3차년도 중학생 데이터를 사용하여 학업성취에 대한 학생구성의 효과를 분석하고, 이 과정에서 학생구성의 효과가 개별 학생의 계층에 따라 어떻게 달라지는지 살펴보았다. 위계적 선형 모형(hierarchical linear modeling) 분석 결과, 학생들 가정배경의 이질성은 학업성취에 영향을 미치지 않는 것으로 판명되었다. 반면 학교평균 사회경제적 지위는 학업성취와 매우 밀접한 관계를 갖는 것으로 나타났다. 그리고 학생구성 효과가 개별 학생의 사회경제적 지위에 따라 차별적으로 발생하는지 살펴보기 위해 상호작용항을 투입한 결과, 부모의 사회경제적 지위가 높은 학생일수록 학교평균 사회경제적 지위가 높아지면서 발생하는 학업성취 상승효과를 더 크게 누리는 것으로 밝혀졌다. 이는 가정배경에 따른 학업성취 격차가 학교평균 사회경제적 지위가 높은 학교에서 더욱 확대된다는 것을 보여주는 결과로 해석할 수 있다. 이러한 연구결과를 바탕으로 학생구성이 교육격차에 미칠 수 있는 영향 및 그 정책적 함의를 간략하게 논의하였다.
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장희원,하유정,강윤,이광훈,박용범,이수곤 대한내과학회 2011 대한내과학회지 Vol.81 No.5
The antisynthetase syndrome is characterized by anti-Jo-1 antibody production, interstitial lung disease, inflammatory muscle disease, and, in many cases, fever, polyarthritis, Raynaud’s phenomenon, and mechanic’s hands. Joint signs and symptoms occur in up to 90% of patients with antisynthetase syndrome, occasionally as the initial manifestations. Although visual inspection of the hands shows changes that are highly suggestive of rheumatoid arthritis, notable differences exist. Antisynthetase syndrome is a predominantly nonerosive arthropathy with subluxations of the distal interphalangeal joints. It manifests as overlap syndrome with other connective tissue diseases. However, overlap syndrome of antisynthetase syndrome and rheumatoid arthritis is rare. We treated a 51-year-old male patient with overlap syndrome of antisynthetase syndrome and rheumatoid arthritis, and report the case with a review of the literature. (Korean J Med 2011;81:673-679) 저자들은 관절염과 근염을 동반한 중년 남성에서 류마티스 관절염과 항합성효소증후군이 동반된 중첩증후군을 진단하고 치료한 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다.
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수종Ceromer의 변연적합도와 파절강도에 관한 비교연구
장희원,이종혁,임헌송,조인호,Chang Hee-Won,Lee Jong-Hyuk,Lim Heon-Song,Cho In-Ho 대한치과보철학회 2005 대한치과보철학회지 Vol.43 No.4
Statement of problem: The use of Ceromer is increasing in dentistry. But, the research of Ceromer has not been conducted much. Purpose : This study was to evaluate the marginal fidelity and internal adaptation according to marginal position. Materials and Methods: In this study 60 resin crowns were fabricated. The measurements of the marginal fidelity were carried out using stereomicroscope $SZ-40^{(R)}$ (Olympus, Japan) and the measurements of fracture strength were done using Instron $8871^{(R)}$ (Instron Co., U.S.A.) at a cross head speed of 1mm/min. All of the measurements were statistically analyzed by ANOVA test, multiple range test and Weibull analysis. Statistical significance was set in advance at the probability level of less than 0.05. All of the measurements were analyzed with Window $SPSS^{(R)}$ Version 10.0 soft ware for the personal computer. Results : 1. There were no statistical differences of the marginal fidelity between $Targis^{(R)}$ and $Tescera^{(R)}$, but difference between these two and $BelleGlass^{(R)}$ according to materials. 2. There were no statistical differences of the marginal fidelity between no fiber group and fiber group. There were no interactions between each maerial and with/without fiber group in the marginal fidelity 3. There were statistical differences of the fracture strength between $Tescera^{(R)}$ and $BelleGlass^{(R)}$ but no statistical differences of the fracture strength between $Targis^{(R)}$ and $Tescera^{(R)}$, $Targis^{(R)}$ and $BelleGlass^{(R)}$ according to materials. 4 There were statistical differences of the fracture strength between no fiber group and fiber group. There were no interactions between each material and with/without fiber group in the fracture strength. 5. When comparing the fracture surface, no fiber group showed the resin which were fractured at the labial surface and separated from the adhesion surface. In fiber group, the fractures took a place in resin compartments. Conclusion. The marginal fidelity and the fracture strength were clinically acceptable. From these results, $Targis^{(R)}$ and $Tescera^{(R)}$ were superior than $BelleGlass^{(R)}$ in the marginal fidelity But, when applying these resin crowns in clinic, more careful consideration is needed and further study is recommended.
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장희원,김도영,김승업,박준용,안상훈,한광협,전재윤,박영년,최은희 연세대학교의과대학 2012 Yonsei medical journal Vol.53 No.2
Purpose: Using FibroScan® to obtain a reliable liver stiffness measurement (LSM) may require more than 10 valid measurements (VMs), according to the manufacturer’s recommendations. However, this requirement lacks scientific evidence in support thereof. We investigated the minimal number of VMs required to assess liver fibrosis without significant loss of accuracy in patients with chronic hepatitis B (CHB) and C (CHC) and predictors of discordance between LSM and liver biopsy (LB). Materials and Methods: Between January 2005 and December 2009, we prospectively enrolled 182 patients with CHB and 68 patients with CHC who were to undergo LB and LSM before starting antiviral treatment. Only LSMs with at least 10 VMs were considered reliable. The Batts and Ludwig scoring system was used for histologic assessment. Results: The mean age and body mass index were 46.0 years and 23.4 kg/m2 in patients with CHB and 49.7 years and 23.1 kg/m2 in those with CHC, respectively. The median elasticity scores from the first 3, first 5, and all VMs taken significantly predicted fibrosis stages ≥F2 and F4 (all p<0.05) without significant differences (all p>0.05 by DeLong’s method). Alanine aminotransferase (ALT) was the only predictor of discordance in fibrosis stage as estimated by the median elasticity score from the first 3 VMs and by LB in patients with CHB, whereas no significant predictor was identified in those with CHC. Conclusion: After comparison of patients who had more than 10 valid measurements for LSM, three VMs may be enough to assess liver fibrosis using LSM without significant loss of accuracy in patients with CHC and patients with CHB. However, ALT should be considered when interpreting LSM for patients with CHB.
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직업재활시설종사자 소진요인과 복지행정 현황과 과제 - 인천광역시 직업재활시설(보호작업장) 중심으로 -
장희원 한국인간복지실천학회 2021 한국인간복지실천연구 Vol.26 No.-
본 연구는 인천광역시의 직업재활시설(보호작업장)을 중심으로 근로자의 소진을 유발 하는 외부요인을 살펴본다. 그리고 직업재활시설 종사자에 대한 법적 기준 준수와 개선 방법 등 지방자치단체가 지원할 수 있는 종사자 처우 개선 방안을 제시하였다. 직업재활 시설은 복지시설로서 중증장애인에 대한 복지시설로서의 업무성격과 생산 및 판매활동 등 수익사업으로 중증장애인들에게 급여를 지급하는 기업의 성격도 함께 지니고 있어 종사자들에게는 다른 유형의 복지시설보다 업무 부담이 크다. 시설의 생산성이 높을수록 다른 사회복지시설에 비해 업무량이 많아짐에도 불구하고, 종사자 수가 법적 배치기준보 다 적을 때는 소진이 빠르게 진행된다. 초과근무에도 보상이나 처우가 부족한 상황에서 는 종사자들에게 불만과 소진요인이 된다. 따라서 지방자치단체에서 직업재활시설 종사 자의 소진 및 이직을 방지하기 법적 배치기준에 따라 종사자를 지원하고 종사자 처우를 개선할 수 있는 방안들을 본 논문에서 제안하고자 한다 This study examines external factors that cause burnout of workers, focusing on vocational rehabilitation facilities (protective workplaces) in Incheon Metropolitan City. In addition, measures to improve the treatment of workers that local governments can support, such as compliance with legal standards and improvement methods for workers in vocational rehabilitation facilities, were presented. As a welfare facility, vocational rehabilitation facilities have the characteristics of a welfare facility for the severely disabled and a company that pays salaries to the severely disabled through profit-making business such as production and sales activities. the burden is great Despite the fact that the higher the productivity of a facility, the higher the workload compared to other social welfare facilities, the faster the burnout occurs when the number of workers is less than the legal assignment standard. In situations where compensation or treatment is insufficient even for overtime work, it becomes a factor of dissatisfaction and exhaustion for workers. Therefore, this paper proposes ways to support workers in accordance with the legal placement standards and to improve the treatment of workers in local governments to prevent burnout and turnover of workers in vocational rehabilitation facilities.
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