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어린이집 통합학급에서 긍정적 행동지원이 자폐성 장애유아의 문제행동에 미치는 영향
박상인(Park, Sang-In),심숙영(Shim, Sook-young) 한국행동분석학회 2021 행동분석․지원연구 Vol.8 No.1
본 연구에서는 어린이집 통합학급에서 긍정적 행동지원이 자폐성 장애유아의 문제행동에 미치는 영향을 알아보고자 하였다. 연구 대상은 서울시 장애통합 국공립 어린이집 만 5세반에 재원 중인 자폐성 장애유아 1명으로 행동간 중다기초선설계를 통해 통합학급에서 나타내는 또래 방해행동과 수업 산만행동에 대한 개별화된 긍정적 행동지원 중재를 실시하였다. 중재는 각각의 목표행동에 배경 및 선행사건 중재, 대체행동 중재, 후속결과 중재, 장기적 지원중재가 실행되었으며, 중재 종료 2주 후 유지검사를 실시하였다. 연구 결과, 통합학급에서 긍정적 행동지원을 실시하여 자폐성 장애유아가 학급에서 나타내는 방해행동과 산만행동이 감소하였고 이는 중재 종료 2주 후에도 그 효과가 유지되었다. 본 연구는 긍정적 행동지원이 어린이집 통합 환경에서 실행가능한 효과적인 중재 방법임을 입증하였다는데 그 의의가 있다. The purpose of this study is to investigate the effects of Positive Behavior Support on peer disturbing behavior and class distracting behavior. The participent is a 6-year old female ASD child, integrated with 20 non-disabled children in a childcare center. The study was conducted through a Multiple Baseline Design Across Behaviors. After measuring the baselines of the target behaviors, the intervention which include setting events and preventative strategies, teaching alternative replacement behavior, consequence strategies and long-term support were conducted. The maintenance inspection was conducted 2 weeks after the intervention. The result of this study showed that the PBS for the ASD child in an inclusive setting decreased peer disturbing behavior and class distracting behavior. Also the effectiveness of the PBS was maintained after the intervention period was over. As such, PBS is effective in reducing the challenging behaviors in an inclusive setting, it should be used more onsite for social integration and to enhance the quality of inclusive early childhood education.
흰쥐의 척수손상 모델에 제대혈유래 중간엽줄기세포의 이식부위에 대한 행동학적 움직임에 관한 연구
박상인 ( Sang In Park ),김성묵 ( Seong Muk Kim ),임정연 ( Jung Yeon Lim ),정창현 ( Chang Hyun Jeong ),전진애 ( Jin Ae Jun ),전신수 ( Sin Soo Jeun ) 한국조직공학과 재생의학회 2006 조직공학과 재생의학 Vol.3 No.2
Multipotential mesenchyman stem cells (MSCs) can differentiate into the neural cells in vitro and they have been shown to promote neuronal survival and functional recovery after implantation into various neurological disease models such as cerebral infarction, brain trauma, spinal cord injury and Parkinson disease. In this study, we examined the effect of human umbilical cord blood-derived MSCs (hUCB-MSCs) on spinal cord injury (SCI) model saccording to the transplantation site through functional recovery test, cavity volume and migration to injury site. The spinal cord was injured by contusion using a weight-drop at the level of T9. The seven days after injury, the hUCB-MSCs (5 × 105 cells/?l) labeled with PKH26 were transplanted into rostral, caudal, epicenter sites of SCI. The results were: (1) a behavioral test (BBB score) showed a significant functional improvement in groups that had transplanted MSCs into rostral site as compared to transplanted group into caudal or epicenter site, (2) the cavity volume was the smallest in MSCs transplanted groups into rostral site, and (3) PKH26-labeled cells observed around the injury site were a greater in MSCs transplanted group into rostral site than other groups. Taken together, rostral site would be a valuable when performing stem cell transplantation therapy for treating SCI.
신축공동주택에서 플러쉬아웃 실시에 따른 실내 VOCs 농도저감 효과에 관한 연구
박상인(Park, Sang-In),박준석(Park, Jun-Seok) 대한건축학회 2018 大韓建築學會論文集 : 構造系 Vol.34 No.12
The purpose of this study was to confirm the effects of flush-out on the reduction of Volatile Organic Compounds(VOCs) concentration in newly built residential buildings. The field measurements were conducted in two complexes of multi-residential buildings which are located suburban areas of Seoul. About three samples of residential buildings were selected in the field measurements. Two samples, B and C, had been flush-out with outdoor air more than seven days. The sample A was maintained at same condition during the flush-out because of the comparison. The indoor concentrations of VOCs in the three samples were measured at three times, before, during ,and after flush-out. From the field measurements, it was confirmed that two samples’ indoor VOCs’ concentrations were considerably decreased after the flush-out comapred with those of the sample A in which the flush-out was not conducted. The decreases of indoor VOCs concentrations were corresponding to about 50% ~ 92% of the concentrations of before. Through the reviews for the previous studies, it was also found that the reduction effects of the flush-out is similar with the those of the bake-out which were reported in the previous studies.
박상인 ( Sang In Park ) 한국산업조직학회 2010 産業組織硏究 Vol.18 No.3
최근 사회과학 제 분야에서 다항선택모형이 광범위하게 사용되고 있다. 본 논문은 다항선택모형의 방법론적 발전을 모형의 식별가능성과 추정 문제를 중심으로 재정리하여 논의하고자 한다. 구체적으로 본 논문에서는 (i) 관측되지 않은 대안 특성에 의한 내생성 문제, (ii) 가용한 자료 수준에 따른 식별가능성과 추정 문제, 그리고 (iii) 확률효용(random utility) 함수의 비모수적 식별가능성과 추정 등의 세가지 이슈들에 논의의 초점을 둔다. Since the seminal work of McFadden, the multinomial choice models have been extensively employed in empirical research. This paper provides a survey of the recent developments triggered by Berry, Levinsohn and Pakes (1995) in the identification and estimation of the multinomial choice model. Specifically the paper focuses on: (i) the endogeniety issue caused by an unobservable product (or choice) characteristic; (ii) the identification and estimation issues when only consumer-level or only aggregate-level data are available; and (iii) the nonparametric identification and estimation of the random utility function.
3D TV 시청으로 유발된 시각피로가 자율신경계 기능에 미치는 영향
박상인 ( Sang In Park ),황민철 ( Min Cheol Whang ),김종화 ( Jong Wha Kim ),문성철 ( Sung Chul Mun ),안상민 ( Sang Min Ahn ) 한국감성과학회 2011 감성과학 Vol.14 No.4
최근 3D TV 보급과 확산에 따른 시각 피로문제가 대두되면서 시각 기능과 인지적 관점에서의 연구가 활발하다. 그러나 3D 시각피로가 자율신경계 기능에 미치는 영향에 대한 연구는 미비하다. 따라서 본 연구에서는 3D TV 시청으로 유발되는 3D 시각피로가 자율신경계 기능에 미치는 영향과 이 영향이 교감 및 부교감 신경계와 심혈관계 반응에 미치는 영향을 확인하고자 한다. 피험자는 20 대 남녀 대학생 15 명(남 6 명, 여 9 명, 평균나이 22.53 세 ± 2.55 세)을 대상으로 하였다. 피험자는 편안한 의자에 앉아 3D TV를 1시간 시청하였다. 3D TV 시청 전과 후의 1분간 맥파(PPG, Photo-PlethysmoGram)를 측정하였고 주관설문을 실시하였다. 측정된 신호에서 SDNN (standard deviation of RR intervals), RMS-SD(root mean square successive difference), HF/LF ratio, Ln(LF), Ln(HF)를 추출하여 교감 및 부교감 신경계, 그리고 심혈관계 반응을 확인 하였다. 연구 결과 HF/LF ratio, Ln(LF), Ln(HF)는 시청 후에 유의하게 감소하였고, SDNN, RMS-SD는 통계적 유의차를 확인할 수 없었다. 이 결과는 3D 시각피로가 자율신경계 기능에 영향을 미치고 이로 인해 교감신경계가 항진되는 반응이 나타나며, 심박 변화율이 감소하는 결과를 초래할 가능성을 확인 하였다. As technology in 3D industry has rapidly advanced, a lot of studies primarily focusing on visual function and cognition have become vigorous. However, studies on effect of 3D visual fatigue on autonomic nervous system have not less been conducted. Thus, this study was to identify and determine the effect that might have a negative influence on sympathetic nervous system, parasympathetic nervous system, and cardiovascular system. Fifteen undergraduates (female: 9, mean age: 22.53±2.55) participated and were sat on a comfortable chair, viewing a 3D content during about 1 hour. Cardiac responses like SDNN(standard deviation of RR intervals), RMS-SD(root mean squared successive difference), and HF/LF ratios extracted from the measured PPG(Photo-PlethysmoGram) before viewing 3D were compared to those after viewing 3D. The results showed that after subjects watched the 3D, responses in sympathetic nervous system and parasympathetic nervous system were activated and deactivated, respectively relative to those before watching the 3D. The results showed that HF/LF ratio, Ln(LF), and Ln(HF) after viewing 3D were significantly reduced relative to those before viewing 3D. No significant effects were observed in SDNN and RMS-SD. Results obtained in this study showed that visual fatigue induced by watching 3D adversely influenced autonomic nervous system, and thereby reduced heart rate variability causing sympathetic nervous acceleration.