사회적 배제에 대한 실험 연구의 메타분석

이민조,권영실,현명호 한국건강심리학회 2021 한국심리학회지 건강 Vol.26 No.4

In this article, we aimed to determine the effect size of social exclusion by sampling 32 experimental studies conducted in Korea until July 2020. The effect size was analyzed on dependent variables categorized with affect (positive and negative affect), fundamental needs (relational and efficient needs), and social behavior (prosocial and antisocial behavior). The moderating effect was evaluated with moderators including the type of social exclusion (rejection and ignorance/ostracism) and paradigm of social exclusion (real experience, cyberball, and remembering the past and anticipating the future). As a result, social exclusion moderately diminished the positive affect (d=.488) and increased the negative affect (d=.488). Both relational (d=–.897) and efficient (d=–1.887) needs were highly intimidated by social exclusion, which raised the antisocial behavior (d=.876), but the effect of social exclusion on prosocial behavior was not significant. The type and paradigm of social exclusion significantly moderated the effect of social exclusion on affect and fundamental needs. The implications of these results and future directions for research were discussed. 본 연구는 사회적 배제의 효과를 살펴보기 위하여, 2020년 7월까지 국내에서 수행된 사회적 배제에 관한 실험 연구 32편을 선정하고 79개의 효과크기를 통해 메타분석을 실시하였다. 사회적 배제에 대한 종속변인은 정서(긍정정서, 부정정서), 기본 욕구(관계성 욕구, 효능감 욕구), 사회적 행동(친사회성 행동, 반사회성 행동)으로 구분하여 분석하였다. 종속변인에 대한 사회적 배제의 효과에 영향을 미치는 조절변인으로 사회적 배제 유형(거절, 무시/배척), 사회적 배제 패러다임 유형(실제경험, 사이버볼, 과거 회상 및 미래 예상)을 설정하였다. 메타분석 결과, 사회적 배제는 긍정 정서(d=–.464)를 낮추고, 부정 정서(d=.488)를 높게 경험하게 하며, 관계성 욕구(d=–.897)와 효능감 욕구(d=–1.887)를 크게 위협하였다. 이와 더불어, 사회적 배제가 친사회적인 행동에 미치는 효과는 유의하지 않았으나, 반사회적인 행동을 증가시켰다(d=.876). 사회적 배제의 효과는 배제 유형과 배제 패러다임 유형에 따라 정서 변인과 기본 욕구 변인에서 유의한 차이를 보였다. 본 연구의 결과를 바탕으로 주요 함의와 제한점, 그리고 후속 연구 방향에 대하여 논하였다.

상아질 접착제 사용 여부에 따른 근관 밀폐효과의 비교

이민조,박상혁,최기운 大韓齒科保存學會 2005 Restorative Dentistry & Endodontics Vol.30 No.1

이 연구의 목적은 상아질 접착제의 사용 여부에 따른 근관 밀폐효과를 비교 평가하기 위해 40개의 단근치를 근관 성형 후 20개씩 두군으로 나누었다. 1군은 근관 충전시에 상아질 접착제를 사용하지 않았으며 2군은 상아질 접착제를 사용하였다. 근첨에서 1.5 mm (Level 1), 2.0 mm (Level 2), 2.5 mm (Level 3) 떨어진 부위의 평균 누출률을 측정하였다. 1. 두군의 평균 누출률은 치경부로 향하면서 감소하였다. 2. Level 1에서 1군과 2군의 평균 누출률은 차이가 없었다 (p > 0.05) .3. Level 2와 3에서 2군의 평균 누출률은 1군보다 낮았으며, 통계학적으로 유의차를 나타내었다 (p < 0.05) .연구결과 상아질 접착제를 사용하여 근관 충전하는 경우 치근단 누출을 감소시킬 수 있을 것으로 판단된다. The purpose of this study was to compare the sealing ability of root canal obturation with or without the use of dentin adhesive system. Forty extracted human teeth with one canal were selected and decoronated. The teeth were divided into two Groups. The obturation procedure of Group 1 was the same as that of Group 2 with the exception of dentin adhesive system. Group 2 were obturated with dentin adhesive system, AH-26, and gutta-percha. After obturation, the teeth were immersed in methylene blue solution for 84 hours. The teeth were sectioned horizontally at 1.5 mm (Level 1), 2.0 mm (Level 2) 2.5 mm (Level 3) from the root apex using a low speed microtome. Distance of dye-penetrated surface and total dentinal surface were measured using SigmaScan Pro 5.0, and the ratio of dye-penetrated distance to the total dentinal distance was analyzed statistically by Mann-Whitney U-test. 1. In both groups, the mean leakage ratio was decreased cervically. 2. At level 1, there was no significant difference between group 1 and group 2 (p > 0.05). 3. At level 2 and 3, group 1 showed significantly higher mean leakage ratio than group 2 (p < 0.05). The results suggest that using dentin adhesive system in root canal obturation procedure reduces the apical microleakage.

파급효과 예측과 의사결정의 어려움: 의사결정 결과에 대한 책임감과 부담감의 매개효과

이민조,박혜경 한국문화및사회문제심리학회 2017 한국심리학회지: 문화 및 사회문제 Vol.23 No.4

In this research, it was examined whether predicting the ripple effects of events influences decision-making difficulty. In addition, it was examined whether perceived accountability for decision-making results mediates the relation above. In Study 1, participants were presented with policy decision-making vignettes and were asked to report on the ripple effects of their policy decisions as well as on the difficulty of making the decision. Consistent with the hypothesis, the bigger the expected ripple effects, the greater difficulty participants felt in making policy decisions. In Study 2, ripple effect magnitudes were experimentally manipulated such that participants were led to predict big ripple effects in one condition and relatively small ripple effects in another condition. It was investigated whether participants predicting bigger ripple effects would perceive decision-making to be more difficult than participants predicting smaller ripple effects. Whether this relation would be mediated by perceived personal accountability for the results of decision-making was also examined. Consistent with expectations, it was found that in the moral domains of Harm/care, Fairness/reciprocity, and Ingroup/loyalty, participants predicting bigger ripple effects reported more difficult decision-making than their counterparts. The relation above was mediated by perceived personal accountability for decision-making results only in the domain of Ingroup/loyalty. In combination, these results showed that bigger predicted ripple effects contributed to greater decision-making difficulty. In addition, participants felt more responsible for the results of their decisions when predicting bigger ripple effects, which led them to feel greater decision-making difficulty in the domain of Ingroup/loyalty. The implications of these results and future directions for research are discussed. 본 연구에서는 파급효과를 예측하는 것에 따라 의사결정의 어려움이 달라지는지, 그리고 파급효과 예측과 의사결정 어려움 사이의 관계를 의사결정 결과에 대한 책임감과 부담감이 매개하는지 살펴보았다. 연구 1에서는 정책 결정 상황을 제시하여 예측된 파급효과의 크기와 의사결정 어려움 간의 관계를 알아보았다. 그 결과, 결정의 파급효과를 크게 예측할수록 의사결정 시 어려움을 더 크게 경험한 것으로 나타났다. 연구 2에서는 예상되는 파급효과의 크기를 실험적으로 조작하여, 파급효과를 크게 예상하도록 한 조건과 작게 예상하도록 한 조건 사이에서 도덕적 의사결정을 내릴 때 경험하는 어려움의 정도가 다른지 알아보았다. 또한, 예측된 파급효과의 크기와 의사결정 어려움 사이의 관계를 의사결정 결과에 대한 책임감과 부담감이 매개하는지 검증하였다. 그 결과, 가설과 일관되게 예측된 파급효과의 크기가 작은 조건에 비하여 큰 조건에서 위해/돌봄, 공정/호혜, 그리고 내집단/충성심 관련 도덕적 의사결정 시 어려움을 더 크게 경험하는 것으로 나타났다. 이러한 관계를 의사결정 결과에 대한 책임감과 부담감이 매개하는지 살펴본 결과, 부담감의 매개효과가 내집단/충성심 관련 도덕적 의사결정에서 관찰되었다. 이러한 연구 결과를 토대로 본 연구의 의의와 제한점, 그리고 후속 연구 방향에 대하여 논하였다.

Effects of clarithromycin treatment in scrub typhus in children: comparison with chloramphenicol and azithromycin

이민,김준,조대선 대한소아청소년과학회 2017 Clinical and Experimental Pediatrics (CEP) Vol.60 No.4

Purpose: Chloramphenicol and tetracycline are not recommended for treating scrub typhus in pediatric patients because of potential side effects, such as aplastic anemia or tooth discoloration. While clarithromycin has recently been used in adults, few reports have been published on its effects in pediatric patients. We report the clinical profiles of pediatric scrub typhus and the effects of clarithromycin on scrub typhus in children. Methods: We retrospectively analyzed medical records of 56 children with scrub typhus who were admitted between 2004 and 2013 to Chonbuk National University Hospital, Jeonju, Korea. Cases were divided into 3 groups based on thetreatment drug (chloramphenicol, azithromycin, and clarithromycin).. We compared their clinical manifestations and laboratory findings. Results: All patients exhibited fever and rash. Other common clinical manifestations were eschars (66%), lymphadenopathy (48%), upper respiratory symptoms (42%), abdominal pain (32%), and hepatosplenomegaly (14%). Elevated levels of C-reactive protein, erythrocyte sedimentation rates, aspartate transaminase, and alanine transaminase were detected in 95%, 96%, 84%, and 77% of patients, respectively. Additionally, decreased platelet and white blood cell levels were observed in 43% and 36% of patients, respectively. There were no statistical differences between the treatment groups in mean age (P=0.114) or sex (P=0.507). However, time to defervescence after the treatments differed significantly, being the shortest in the clarithromycin group (P=0.019). All patients recovered without complications related to the disease or drugs. Conclusion: Clarithromycin was as effective as chloramphenicol and azithromycin in pediatric scrub typhus patients and may be used as a first-line treatment drug.

대형 크랭크샤프트의 형단조에 관한 실험적 및 수치적 연구

조범재(B.J.Cho),이민철(M.C.Lee),김홍태(H.T.Kim),박태현(T.H.Park),제갈영진(Y.J.Jegal),최인수(I.S.Choi),전만수(M.S.Joun) 한국소성가공학회 2008 한국소성가공학회 학술대회 논문집 Vol.2008 No.5

Development of in-cell imaging assay systems for MMP-2 and MMP-9 based on trans-localizing molecular beacon proteins

이민전,조영아,황현진,김정희 대한약학회 2015 Archives of Pharmacal Research Vol.38 No.6

A sensitive in-cell imaging MMP-2 and MMP-9 detection systems that enables direct fluorescencedetection of a target protease and its inhibition inside livingcells has been developed. This in-cell imaging systemutilizes the concept of fluorescent molecular beaconreporter (MBR) protein comprising a masking protein, amitochondrial targeting sequence, a protease specificcleavage sequence and a fluorescent marker sequence,green fluorescent protein (GFP). The MBR protein isdesigned to change its intracellular location upon cleavageby either MMP-2 or MMP-9 from cytosol to mitochondria. Full and partial MMP-2 and MMP-9 were tested for optimalexpression and activity in the cell. The activity ofMMP-2 and MMP-9 was approximately 65–71 %. AmongMMP clones, MMP-2 catalytic domain and MMP-9 clonecontaining pro, catalytic and hemopexin domain were mostactive. Both MMP-2 and MMP-9 required divalent ions Caand Zn for its activity and MMP-9 was more active athigher Ca/Zn ratio. With the in-cell imaging assay theprotease activity can be measured in cellular environmentand cellular toxicity of candidate molecules can be monitoredat the same time. These are great advantage whencompared to other currently used in vitro biochemicalassays. The in-cell imaging assay developed in this studycan be modified for other MMPs and can be used in variouslife science and drug discovery researches including thehigh throughput screening and high contents screeningapplications.

성장인자에 의한 망막 신경교세포의 증식능에 대한 연구

조남천(Nam Chun Cho),이민철(Min Cheol Lee),한홍주(Hong Joo Han),안병국(Byoung Cook Ahn) 대한안과학회 1997 대한안과학회지 Vol.38 No.7

국제 기술협력 전략 수립을 위한 글로벌 R&D 협력지수 개발

정구진,이민국,조영희,조수지,이성주 대한산업공학회 2013 대한산업공학회 춘계학술대회논문집 Vol.2013 No.5

사회적 배제의 인식과 극복으로서의 ‘포용적 문화예술교육’을 위한 시론적 연구

박신의,장웅조,이민하 한국문화예술경영학회 2020 문화예술경영학연구 Vol.13 No.1

This study examines the concept, direction, and structure of inclusive arts education, as promoted by Korean President Moon Jae-in’s declaration of the "first year of our inclusive nation." The concept and practice of inclusiveness allows for understanding and overcoming the negative consequences of social exclusion and encourages us to look beyond interpreting social problems only through the lens of poverty. To that end, we examine the development of the concept of inclusiveness in general cultural policy, and then apply our insights to arts education, beginning with cultural accessibility and the expansion of the arts participation. We suggest that inclusiveness in arts education, and a solid conceptual understanding of the definition of inclusiveness in the arts, is critical to the task of meaningfully addressing the social exclusion that is all too often reproduced arts education contexts. Thus, we explore two dimensions of inclusive arts education: (1) a focus on those typically socially excluded (disabled people, the elderly, gender minorities, refugees, etc.); and (2) strategies for countering, overcoming, and healing from the multiple layers of social exclusion. Our emphasis is on attending to the social exclusion that results from discrimination and inequality due to cultural differences and reflecting on conceptions and actionable practices of social inclusion and equity in arts education contexts.

고유수용성신경근촉진법 이완기법이 뒤넙다리근 유연성과 점프수행력에 미치는 영향

임재헌,이민국,박종혁,정태호,조은비,Lim, Jae-Heon,Lee, Min-Kook,Park, Jong-Hyuk,Jung, Tae-Ho,Jo, Eun-Bi 대한고유수용성신경근촉진법학회 2015 PNF and Movement Vol.13 No.3

Purpose: The purpose of this study was to assess the effect of the proprioceptive neuromuscular facilitation (PNF) relaxation technique (hold relax; HR, contract relax; CR) and static stretch (SS) on hamstring flexibility and vertical jump performance in healthy adults over a four-week period. Methods: Twenty-four healthy adults volunteered to participate in PNF and static stretch sessions. The subjects were divided into three groups as follows: 8 subjects in the SS group, 8 subjects in the HR group, and 8 subjects in the CR group. In the HR and CR groups, contractions lasted 15 seconds per trial and consisted of 5 sets of 15 seconds of hamstring contraction immediately followed by 15 seconds of passive static hamstring stretching. For the static group, the participants were asked to stretch by hanging a leg over a table for 30 seconds. Subjects in all groups performed the exercises three days per week for 4 weeks. The active straight leg raising (ASLR) test, active knee extension (AKE) test, and vertical jump test were performed before the intervention and after 1, 2, and 4 weeks. Results: The SS, HR, and CR techniques effected positive improvement in hamstring flexibility and vertical jump performances but neither of the stretching methods had any statistically significant different effects according to group, although there were interactions (between group and time) in the ALSR group from 1 week to 2 week and in the AKE test from pretest to 1 week. Conclusion: Based on the results of the current study, SS, HR, and CR were shown to affect hamstring flexibility and vertical jump performance in healthy adults. In particular, it was determined that within a short period, hamstring flexibility could be attributed more to CR than to SS.