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RISS 인기검색어
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- 저자 : 윤정욱 ( Jung Uk Yoon ) (검색결과 2 건)
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태권도전공대학생의 전공만족, 진로자기효능감, 진로의식 성숙도의 관계
양현석 ( Hyun Suk Yang ),( Seoung Tae Joo ),윤정욱 ( Jung Uk Yoon ),양통일 ( Tong Il Yang ) 대한무도학회 2011 대한무도학회지 Vol.13 No.2
본 연구는 태권도전공대학생들의 전공만족이 진로자기효능감에 어떠한 영향을 미치고, 진로자기효능감을 매개로 진로의식 성숙도에 어떠한 영향을 미치는지를 규명하여 태권도전공대학생의 진로교육과 진로지도에 유용한 자료를 제공하는데 의미가 있다. 이를 위해 국내 태권도학과 및 태권도전공대학생을 모집단으로 설정하고 6개 대학의 2, 3, 4학년을 대상으로 246명을 최종 연구대상으로 선정하였다. 자료의 분석은 SPSS 15.0을 이용하여 빈도분석과 탐색적 요인분석(EFA), 신뢰도 분석, 상관관계 분석을 실시하였고 설정한 모형의 검증과 연구문제를 규명하기 위하여 AMOS 7.0 프로그램을 이용하여 확인적 요인분석(CFA)과 구조방정식모형(SEM)을 이용하였다. 이상과 같은 연구방법 및 분석결과를 통해 도출된 결과는 다음과 같다. 첫째, 전공만족은 진로자기효능감에 직접적인 영향(직접효과=.755)을 미치며, 둘째, 진로자기효능감은 진로의식 성숙도의 직접적인 영향(직접효과=.910)을 미치고, 셋째, 전공만족은 진로의식 성숙도에 직접적인 영향은 없었으나 간접적인 영향(간접효과=.687)을 미치는 것을 확인할 수 있었으며 총 효과는 2.352로 나타났다. This study is intended to understand how major satisfaction of Taekwondo major college students is influencing the career self-efficacy, what kind of causal relationship it has with career maturity, and to provide useful resources on career education and guidance of Taekwondo major college students through research results. To this end, domestic department of taekwondo and taedwondo major college students were selected as a population sample, and convenient sampling method was used to analyze 358 sophomores, juniors, and seniors from K college, Y college, S college, H college, J college, and D college from May 15, 2010 to June 15, 2010. According to the purpose of this study, relationship between major satisfaction, career self-efficacy, and career maturity was established based on the previous studies and causal relationship between variables was looked into through a hypothetical model(SEM). Derived results through above research methods and study results ar as follows. It was confirmed that career satisfaction directly affects career self-efficacy(direct effect=.755), career self-efficacy directly affects career maturity(direct effect-.910), and although major satisfaction did not have direct influence on career maturity, it was verified that it indirectly affected career maturity(indirect effect=.687), and total effect was 2.352.
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酸棗仁이 CT105에 의한 신경세포 상해 및 白鼠의 기억에 미치는 영향
정정욱,박창국,박치상,이소연,윤현덕,신오철 대한본초학회 2005 大韓本草學會誌 Vol.20 No.1
Objective: This study was designed to research whether demonstrate neuroprotective and memory enhancing effects of Z1BU, suggesting its beneficial actions for the treatment of AD. Methods: The present study investigated effects of the dichloromethane extract of Semen Zizyphi Spinosae(ZIBU) on neurotoxicity and reactive oxygen species(ROS) and nitric oxide(NO) formation in PC 12 cell line overexpressed with carboxyl-terminal 105 amino acid peptide fragment of amyloid precursor protein(CT105). In addition, the present study evaluated its radical scavenging activity and effects on acetylcholinesterase(AChE) activity. Furthermore, effects on neuronal loss in CAl area and cognitive deficits induced by scopolamine treatment were also evaluated in rats. Result: we found in this study that ZIBU significantly inhibited apoptotic neuronal death induced by CT105 overexpression in PC12 cells, with the IC_(50) value of 23 ㎍/ml. Based on phase-contrast and fluorescence microscopic examinations, ZIBU reversed morphological changes of CT105-expressed PC-12 cells. It was also found that Z1BU significantly induced neurite outgrowth and inhibited formation of ROS and NO.Z1BU scavenged DPPH radicals and inhibited AChE activity. Furthermore, it attenuated memory impairment induced by the injection of scopolamine in rats, based on passive avoidance test. Crystal violet staining of rat brain slices exhibited increase in the viability of pyramidal neurons in hippocampal CAI area. Conclusion: these results demonstrate neuroprotective and memory enhancing effects of ZIBU, suggesting its beneficial actions for the treatment of AD.
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