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산림의 지형별 경사도에 따른 운동 프로그램이 50대 여성의 BDNF와 우울에 미치는 영향
신민자(Shin, Min-Ja),신창섭(Shin, Chang-Sup),이미옥(Lee, Mi-Ok),이재순(Lee, Jae-Sun),최아람(Choi, A-Ram),최종환(Choi, Jong-Hwan) 한국산림휴양복지학회 2015 한국산림휴양학회지 Vol.19 No.1
& & 본 연구는 50대 여성들을 대상으로 산림지형의 경사에 따른 운동이 BDNF와 우울에 미치는 영향을 규명하는데 목적이 있다. 본 연구를 위하여 저경사 지형(16.7%)의 산림운동 집단(n=11)과 중경사 지형(23.7%)의 산림운동 집단(n=11)으로 구분하여 12주간 주3회의 빈도로 1회 110분씩 운동에 참여 하였다. 검사는 12주간 운동프로그램 전, 후에 측정되었다. 자료 분석을 위하여 평균과 표준편차가 이용되었고 독립 t-test와 반복 이원변량 분석이 이용되었다. 그 결과 첫째, 12주 후 BDNF의 변화는 저경사 지형과 중경사 지형에서 시기와 집단간의 상호작용에서 유의성이 나타났다. 중경사 산림운동 집단에서 12주 후 BDNF의 변화에 효과적이었다. 둘째, 우울감에 있어서는 경사별 운동 강도에 상관없이 두 집단 모두에서 시기간의 유의성이 나타나 12주간의 운동 후 우울 변화에 긍정적 효과가 나타났다. 이와 같은 결과는 운동량이 많은 중경사 산림지형 운동이 BDNF의 향상에 영향을 주었지만, 우울은 경사도와 관계없이 우울 감소에 효과적인 것으로 나타났다. 따라서 저경사 보다는 중경사의 산림지형을 이용한 운동이 인지능력과 관련된 BDNF와 심리적 요인인 우울의 변화에 효과적이라고 제안한다. & & The goal of this study was to investigate the effects of exercise program on BDNF and depression of women in 50s in terms of the inclination of forest. Twenty-two women participated in this study and were assigned to 2 groups: 11 women exercised in a low-slope forest( 16.7% ) for 12 weeks, while 11 women in a middle-slope forest( 23.7% ). BDNF and depression were measured before the start of the program and the end program. For data analysis, mean and standard deviation scores were calculated, and independent t-test and two-repeated ANOVA were used. As a result, first, the interaction of time and group was found significantly after 12 weeks exercise program. Second, both groups showed a significant decrease in depression after 12 weeks exercise program. This result presented that middle-slope exercise of the forests increased BDNF and regardless of levels of forest slopes, depression was decreased. Therefore, forests walking using a middle-slope forest may be effective in the improvement of cognition related BDNF and psychological depression.
김진숙 ( Jin Sook Kim ),신창섭 ( Chang Sup Shin ),연평식 ( Poung Sik Yeoun ),박석희 ( Suk Hee Park ),구완회 ( Wan Hae Koo ) 한국환경과학회 2013 한국환경과학회지 Vol.22 No.11
We have researched the image of different forest species by asking those who use these forests how they feel when enjoying them for their various purposes. We surveyed five different forest areas, these were a pine forest a korean pine forest a cypress forest a broad leafed forest and a mixed forest. We asked 806 people how these forests made them feel and what they thought was the image of these forests. We offered them a choice of 18 pairs of adjectives to describe how they felt. We used the SD Scale and discovered 4 different factors. A feeling of comfort and freshness and a feeling of order and space. There was also a feeling of intimacy with nature. Each forest gave out its own feeling and image. comfort and freshness was felt by those in the pine forest, the korean pine forest, the broad leafed forest and the mixed forest . A Feeling of order and space was felt in the korean pine forest. Intimacy was felt in the pine forest, broad leafed forest and the mixed forest.
비상장기업의 자기자본비용 추정에 관한 연구(회계변수에 의한 체계적위험 예측모형을 중심으로)
신창섭 京畿專門大學 1998 京畿專門大學 論文集 Vol.- No.26
The paper discusses several means for estimating appropriating discount rates to value non-traded assets. That is, this study discusses the relationship between market equity beta and observable finance information in Korean capital market. The estimated relationship can in principle be used to determine betas for non-traded entity for which conventional market model or pure-play techniques are impractical. The applicability of the method can be illustrated by using it to estimate the common equity beta of non-traded firm. The result of this study is that Patterson's model is not valid for the assessment of the systematic risk in Korean capital market. That is, the coefficient of BREV, DOL and DFL are, respectively, not statistically significant and R^(2) is too low.