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김영한 한국특수교육학회 2013 특수교육학연구 Vol.48 No.2
본 연구는 특수학교 교사의 교직헌신 척도(김영한, 2012)에 대한 타당성을 분석하고자 척도에 대한 수렴타당성과 변별타당성을 검증하고 교차타당성을 학교의 장애영역별, 교육경력별, 학교급별 등으로 파악하기 위하여 실시되었다. 이를 위하여 서울, 경기, 광주, 부산, 대전, 인천, 충남, 충북, 경남 등의 국공립 및 사립 특수학교 교사 398명을 대상으로 연구를 진행하였다. 자료 수집은 우편과 e-mail를 통해 이뤄졌으며 수렴타당성을 알아보기 위하여 초중등교사 교직헌신척도(노종희, 2004)와 적응유연성 척도(김성훈, 이안수, 2011)를 같이 적용하였다. 자료처리는 SPSS 20.0 for WIN, AMOS 20.0 등을 적용하여 실시하였다. 연구결과, 특수학교 교사의 교직헌신 척도는 수렴타당성, 변별타당성, 교차타당성을 모두 확보할 있었다. 그러므로 특수학교 교사의 교직헌신 척도는 특수학교 교사의 교직헌신을 측정하고자 하는데 매우 타당성이 높은 도구라는 것을 입증되었다. The purpose of this study has analyzed the validity of special school teacher commitment questionnaire. The participants for this study were 398 teachers of 22 special schools in Seoul, Gyeonggi, Busan, Daejeon, Incheon, Chungnam, Chungbuk, and Gyeongnam. Data were collected from the survey by the post & e-mail from February 2013 to April 2013. Collected data were analyzed by using SPSS 20.0 for WIN, AMOS 20.0. The results of this study were as follows. The convergent validity was verified by correlation analysis with The Commitment to Teaching Questionnaire(Noh, 2004) and Resilience Scale for Elementary Physical Education Specialists(Kim & Lee, 2011). The discriminant validity was verified by comparing average variance extract and the square of correlation among the sub-factor. Last, the cross validity was verified by investigation of the measurement model and latent means about their disability categories of special schools, educational career, grade of class. So, it was proven by cross validity that the special school teacher commitment questionnaire can be used regardless of their disability categories of special schools, educational career, grade of class.
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특수학급 교사의 교직 적응 탄력성 척도에대한 타당성 분석
김영한,최용재 한국지체.중복.건강장애교육학회 2013 지체.중복.건강장애연구 Vol.56 No.4
The purpose of this study was to analyze the validity of teaching adaptive resilience scale for special class teachers. The participants for this study were 407 special class teachers in Seoul, Busan, Ulsan, Daegu, Kyungnam, Kyungbuk, and Chungnam. Data were collected from the survey by the post-mail or e-mail. As well, the collected data were analyzed by using SPSS 20.0 for WIN, AMOS 20.0. The results of this study were as follows. First, the convergent validity was verified by correlation analysis with Resilience Scale for Elementary Physical Education Specialists and The Commitment to Teaching Questionnaire. Second, the discriminant validity was verified by comparing average variance extract and the square of correlation among the sub-factor. Finally, the cross validity was verified by the investigation of the measurement model and latent means about their educational career, grade of class. Thus, it was proven by cross validity that the teaching adaptive resilience scale for special class teachers could be used regardless of their educational career and grade of class. 본 연구에서는 특수학급 교사의 교직 적응 탄력성 척도(김영한, 최용재, 2013)에 대한 타당성을 분석하고자 척도에 대한 수렴타당성과 변별타당성을 검증하고 교육경력별, 학교급별 등으로 교차타당성을 파악하였다. 이를 위하여 서울, 부산, 울산, 대구, 경북, 경남, 충남 등의 특수학급 교사 407명을 대상으로 연구를 진행하였다. 자료 수집은 우편과 e-mail를 통해 이뤄졌으며 수렴타당성을 알아보기 위하여 적응유연성 척도(김성훈, 이안수, 2011) 및 초중등교사 교직헌신척도(노종희, 2004)를 같이 적용하였다. 자료처리는 SPSS 20.0 for WIN, AMOS 20.0 등을 적용하여 실시하였다. 연구결과, 특수학급 교사의 교직 적응 탄력성 척도는 수렴타당성, 변별타당성, 교차타당성을 모두 확보할 수 있었다. 그러므로 특수학급 교사의 교직 적응 탄력성 척도는 그들의 교직 적응 탄력의 정도를 측정하고자 하는데 매우 타당성이 높은 도구라는 것이 입증되었다.
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김영한,우동철,라문진,정상미,Ki Hyun Kim,이용준 한국생약학회 2021 Natural Product Sciences Vol.27 No.3
We have previously reported that Acer tegmentosum extract, which is traditionally used in Korea to reduce alcohol-related liver injury, suppresses liver inflammation caused by excessive alcohol consumption and might improve metabolism. The active ingredient, 6-O-galloylsalidroside (GAL), was isolated from A. tegmentosum, and we hypothesized that GAL could provide desirable pharmacological benefits by ameliorating physiological conditions caused by alcohol abuse. Therefore, this study focused on whether GAL could ameliorate alcoholic fat accumulation and repair liver injury in mice. During chronic alcohol consumption plus binge feeding in mice, GAL was administered orally once per day for 11 days. Intrahepatic lipid accumulation was measured in vivo using a noninvasive method, 1H magnetic resonance imaging, and confirmed by staining with hematoxylin and eosin and Oil Red O. The serum levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were measured using a Konelab system, and the triglyceride content was measured in liver homogenates using an enzymatic peroxide assay. The results suggested that GAL alleviated alcohol-induced steatosis,e as indicated by decreased hepatic and serum triglyceride levels in ethanol-fed mice. GAL treatment also correlated with a decrease in the Cd36 mRNA expression, thus potentially inhibiting the development of alcoholic steatosis via the hepatic de novo lipogenesis pathway. Furthermore, treatment with GAL inhibited the expression of cytochrome P450 2E1 and attenuated hepatocellular damage, as reflected by a reduction in ALT and AST levels. These findings suggest that GAL extracted from A. tegmentosum has the potential to serve as a bioactive agent for the treatment of alcoholic fatty liver and liver damage.
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김영한,이효상 대한전기학회 1987 전기의 세계 Vol.36 No.11
본고에서는 급전원 교육체계와 EMS를 이용한 DTS의 필요성, 설비구성 및 주요기능에 대하여 소개하였다.
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